1998 jeep cherokee engine knock. May 4, 2009 · I picked up a 98 Cherokee Classic about 3 months ago, About a month ago I heard a light tapping/ knocking sound, it soon dissappeared, sounds like coming from the engine, I couldn't ID where it is coming from though. 0 with 140k miles, completely stock. Well Oct 1, 2021 · My 208k 4. Moreover, i have very low oil pressure at idle Oct 2, 2021 · This is after the mechanic acknowledged the front end clunk and knocking noise the steering makes when on a test drive with me (albeit the steering noise is with engine off, wheels on the ground, but I don't think the steering should be making that knock sound when moving wheel right to left. The noise starts after the engine has warmed up and the oil pressure gauge reads about 10 psi. It’s more of a tick Dec 27, 2003 · At idle there seems to be a knocking (rhythmic and continuous, "knock-knock-knock" at idle) sound coming from between the engine and tranny inside the bell housing. Jun 5, 2019 · If your Jeep 4. I believe this applies to '96-'06 vehicles Feb 25, 2019 · '97 2. Dec 5, 2012 · From the mechanic shop, when the jeep is on the lift he can hear the noise by banging on the front left tire and the sound appears to be in the location of the steering box. 0 engine has some lifter noise and the general attitude in the auto industry seems to be to stop it. I explain and show you May 11, 2022 · The high pressure direct injectors account for some of the noise. But after it ran for about 5 minutes it sounded like it completely went away. 0L pistons and 2) close piston-to-wall clearance (0. 2: And while acceleration also. The sound goes away after it warms up for a couple miles. 0L I6 (AMC/JEEP) Fuel injectors Camshaft position sensor (CMP) (depending on year; located inside distributor body or in place of distributor) Oil pressure sensor (lower left side of the engine next to oil filter) Crankshaft position sensor (CKP) (located at the rear of engine by the transmission) Engine coolant temperature sensor (ECT) (located Customer: Jeep 4. This is the pin-out for the PCM, ECM, computer, brain, or whatever you like to call it for a 2000 Jeep XJ. Sometimes at idle parked, or at low speeds. Throughout this guide, Jan 4, 2012 · Hey guys, my friend and I just picked up a 1998 Grand Cherokee with the I6 engine. I just got done cleaning the engine bay, replacing the plugs, wires, and distributor cap & rotor. So whys this jeep stalling ? Jeep Wrangler 4. Let’s figure out your Jeep’s ticking noise under the hood. With engine halfway to temp: Ticking appears, but muffled and faint. 7 KJ. Still a bit noisy at temp, but not nearly as bad. The RPMs would increase as I accelerated but it felt like there was pressure under the pedal like it wanted to backfire for about 10 seconds and then it would go, although My Jeep has a knocking noise when revs are between 1-2000rpm but then is fine and runs perfect from their, would - Jeep 1998 Cherokee 4WD question The 6 Cyl in My '98 Grand Cherokee has developed a knocking noise. Engine noise videohttp://www. 0L Jeep engine is knocking or rattling, especially when cold or under light load, it could be several things. I've owned it for one year. 0L engine makes a rattling or knocking noise after warming up, especially noticeable from the driver's side, it could be due to a cracked exhaust manifold. Feb 8, 2010 · 98 XJ, 4. 0, AW4, 139,000 miles I have a pronounced Tap/knock at idle that can be heard from several feet away and even in the cabin if you turn off the radio. Oct 26, 2009 · Executive Summary: You may need to cut-out connectors and directly solder wire ends together to solve your sensor-related problems that cause P0300 thru P0306 codes Oct 6, 2010 · I had a hard time tracking down this info. Mar 25, 2009 · Hello. I have noticed over the full 4-5 years that I have owned it that there is a bit of a jump when the tramsmission initially shifts. Feb 13, 2012 · Also 05 5. I sure someone will find this useful. Then to through you for a loop, sometime is it gone like Dec 13, 2018 · Driving home from work on Thursday and the engine started developing a knock. The fr. We are trying to diagnose this knocking sound . 0l 176k miles thanks 1: It make this tick noise in the morning. Deciphering the Knock: Common Causes for Your Jeep’s Noise When your Jeep Jun 16, 2009 · Knocking noise in engine 1998 jeep cherokee There is a knocking noise in the motor when the rpm's are up. Only problem is I don't think the '98 4. 1998 Jeep Cherokee Exhaust Manifolds Can Crack Where Pipes Are Welded A ticking type noise may be noted from the engine area due to an exhaust manifold that has cracked where the pipes are welded; cracked manifolds should be replaced. 0013" to 0. Just drove it for 3+ hours around the hunting club pulling cameras. Noise seems to be loudest on the Driver side beneath manifolds. It has a knocking noise that sounded like a bad lifter or valve. However, I replaced that and it was still making the noise. I looked it up and it said it could be a problem with the timing, having a lean mixture, or a vacuum leak Has anyone else had this problem? Anyone Oct 14, 2023 · Jeep started making a loud screeching sound from the engine bay under acceleration at lower speeds. Oil pressure was good, around 40 psi. Mar 23, 2009 · My cherokee is making a popping noise and backfiring through the intake. May 5, 2009 · Whenever I press the gas pedal, I hear a knocking noise somewhere under the Jeep. Cam, 85 mm TB, HP tuned engine/trans, Foose custom wheels. The engine turns over great but I'm noticing a pretty substantial engine tick. Did notice the oil pressure, just below 40 while driving, drops to about a quarter of the guage at a stop Jul 20, 2024 · Looking at mounting a knock sensor for tuning spark advance. Check the timing chain tensioner (post 23770082). Come to find out it's unfortunately much worse, possibly a main bearing or cam ( according to a mechanic friend I trust). Jan 28, 2011 · Jeep 3. I have the dreaded knock (or rattle)on my 2002 3. Disclaim May 4, 2016 · A few days ago the Jeep developed a very concerning knock, it almost sounded like a conrod bearing has gone, but it disappeared after a few minutes and was only there when the engine was If your older Jeep Grand Cherokee is starting to develop engine noise, check out our easy fix for this common problem. Check prices & reviews on aftermarket & stock parts for your 1998 Cherokee Engine Mounts. 0/Auto around 178K Picked her up for 1100 on the account it wasn't running. To further describe it, it Jan 20, 2013 · The Source of My Jeep Engine Knocking BackCountry Wrenching 93. thanks YouTube - 101 02791 Mar 12, 2020 · Try repeating whatever your preferred carbon removal procedure is again and again. When I pick it up off of idle it seems to make up the "slack" and stops the knocking, yet if i let off of the gas and blip the Sep 22, 2011 · I have a 2000 Jeep Cherokee with 110k on the clock. It detects engine knocks or pings, which can occur when fuel is ignited too quickly in the combustion chamber. Like I have small bird in the engine, somewhere in the middle (between 3rd and 4th Jan 3, 2005 · Hey my 98 XJ has 118000 on it and when i got it more then a year ago i have been useing Quaker State, 4x4 synthetic Blend SAE 10W-40, last oil change i have put RESTORE ENGINE RESTORER & LUBRICANT,with the Quaker State, oil. keep an eye out for fuel pump going bad (it's in gas tank). 0 4x4, 140,000 miles, started having low oil pressure at idle. Apr 13, 2022 · Overheating is one of the most serious problems that your Jeep Cherokee may face. Sometimes when I start it after sitting overnight there’s a ticking sound. I spoke to a guy who does refurbished Jeep engines and he's pretty sure Oct 17, 2020 · If your Jeep 4. Nov 5, 2019 · One of the most disconcerting sounds that you can hear coming from your Jeep Grand Cherokee is the engine knocking. If you hear a ticking noise in your Jeep 4. When you hear a new sound coming from your engine that you're not used to hearing, this means something is wrong. 99 Jeep Cherokee 4. I'm going to show you a commonly mistaken cause for a " bad motor" diagnosis. 7 V6 engine/gearbox and thought I would add my thoughts. Engine started making knocking sounds and it turns out it was just the bearing for the fan pulley on it's way out. 0L inline six engines have a tendency to break piston skirts. The knocking sound isn’t as deep as throwing a rod, but it’s Feb 22, 2009 · Many Jeep vehicles (mostly those with the 4. The cost of replacing a blown head gasket or a Jul 16, 2013 · Hi I have a 1998 jeep grand Cherokee laredo 4. A knock sensor code known as P0325 indicates something is wrong with the engine’s knock sensor or wiring. It used to do this periodically, but it is now doing it a lot more often. 0 engine is making a knocking noise, especially after being low on oil, it could be several things. I pulled over & checked the oil, no leaks, and was full 98 Jeep Cherokee 4. I bought it used with 50K on it. Did some research and replaced the CPS (Crankshaft Positioning Sensor) and she fired right up no problem. A footnote to the piston issue is that these later Jeep 4. When sprayed on the flat side, it doesn't change anything. Since the engine's components are all connected, one bad part could affect other parts, which will cost you much more to fix or replace. 0 automatic 2wd that I purchased from a little buy here pay here with 124k miles a week after I got it home I Diagnosis and repair information on check engine light code P0330 which is Knock Sensor Circuit Malfunction on Bank 2. Aug 8, 2006 · For the longest time I had a problem where randomly at idle my Jeep would start shaking and then have no power upon takeoff. as demonstrated in my video) . Needless to say, I need a new engine. the oil is fine and there are no leaks that i have seen. Replaced with 2021 Tesla Model S Plaid with 1020 hp and 1050 lb. 1997 Jeep Cherokee 4. 0 Liter engine, it may not be related to the broken lifter, and it may turn out to be a simple fix. The sound is between a lifter and a rod knockwell it sounds like that to me. . A bad knock sensor will often throw a trouble code, such as P0325 (knock sensor “1”). Aug 5, 2009 · Is that an option? Do they have the same mounts wiring ect if I found a 97-99 cherokee 4. Engine runs well and hits on all 6. If the knock sensor is not working properly, it can cause the engine to knock. Jan 8, 2024 · If your vehicle gives you a knock sensor code, you’re likely frustrated and may wonder what caused the problem and how to fix it. Customer: Jeep 4. Thanks! Dec 22, 2011 · Hi everyone, I wanted to pass along my experiences with this. This guide will help you pinpoint the cause of that unsettling noise and what steps you can take. 0 6 cylinder engine. Aug 14, 2019 · Jeep Cherokee Engine Knocking Causes Here are a few of the most common issues that would cause your Cherokee’s engine to knock: Low Oil Low Oil If your Jeep Cherokee is low on oil, it’ll cause a harsh knock as the engine is starved for oil. Other suggestions included A few things to looks for if your engine is making noise:- Exhaust Manifold Leaks- Loose Flexplate bolts hitting bellhousing- Cracked Flexplate- Damaged Spar Sep 14, 2009 · Jeep 4. 0 as well as show my findings. 4K subscribers in the JeepCherokeeXJ community. I did a search for it and found a few Youtube videos with very similar sounds and the majority of the replies were saying it was a stuck/sticky lifter. It is usually caused by, ignition issues, timing issues, worn lower engine parts, and more. To prevent further damage, it’s essential that you properly diagnose and repair Feb 21, 2022 · Hi all! I’m having a very bizarre issue with our 2021 Jeep Grand Cherokee L, Limited 4x4. Feb 14, 2008 · I have a noise coming from my bell housing. Wondering what the thread size is as I’m trying to install this double ended bolt. One possibility is a cylinder head problem, which is a known issue in these engines and can cause a knocking sound accompanied by a rough idle. The jeep has 140k miles on it, no knocking, ticks, engine noise etc. This knock possibly didn't start until after the oil change I just did a few weeks ago. It has about 206k miles on it. Apparently it's a common issue with the 4. It does however have low idle oil pressure when hot View with no engine cover. It is not all the time. I had an oil change when I first got it and have only put on about 3500 miles. 6. Once I got it home I found out it had the cracked 0331 head. Smoke flowing from under the hood, a stuck temperature gauge, and a burst head gasket are all signs of overheating. Our guide offers advice on how to diagnose and fix this issue. Aug 13, 2012 · Any XJ Cherokee and ZJ Grand Cherokee 4. 0L Jeep engines at Fraser Engines. And the engine started to make some sound, which (forgive me my English) I would call chirping. 0, auto, 148,000 miles, np242 The Jeep started making this loud clattering, knocking noise a couple weeks ago. Piston slap, potentially due to a broken piston skirt (common in 96+ models), is a likely culprit. This double ended bolt came from rockauto from a Auto Parts for Your JEEP at Reliably Low Prices. I drive it around the block and it drives fine but the noise continues. Last week my 2002 WJ 4. 0 engines) have tappet sounds that owners just live with (or add a little extra oil to reduce the noise). With engine all the way to temp: Heavy ticking/knocking Engine idles: Heaviest point of knocking 1000-2000RPMS: Knocking decreases in noise 2000RPMS+: No ticking/knocking noise noticeable. It seems to come from the bottom of the engine so i'm thinking of a problem to the crank main bearings but i hope it's not. Well it is back but only is heard half the time. See the video Jul 11, 2022 · Anything above 200° F and your engine could overheat – in which case, you should stop and determine what is causing the spike in your engine temperature. com and find specs, pricing, MPG, safety data, photos, videos, reviews and local inventory. Makes my cherokee sound like a deisel sometimes. 0015") to compensate for the short Aug 23, 2018 · If you're hearing a knocking or ticking noise in your 2014-2015 Jeep Cherokee 3. Since I was finally able to find it, I an sharing here so other searches will be able to access it. I'm pretty new to XJs as I just bought a 98 sport, automatic, with the rubicon 5. I have a 2002 Jeep Grand Cherokee with 160,000 miles on my inline 4. The sound goes away when I press the pedal in harderbut remains when braking normal. Other potential causes include valve tappets, fuel system issues Sep 2, 2014 · If you hear a knocking sound when accelerating in your Jeep Cherokee, here are some potential causes and troubleshooting steps: * **Valve Issues:** One user mentioned a past issue where valves were not seated properly, requiring engine replacement. There are three major reasons why oiling issues will cause your Cherokee to knock. I've been lurking here a while and this is my first post so bear with me. Also the noise seems to be aggravated when the gas pedal Metalic knocking noise from engine engine still starts and runs but is putting out smoke 2. Worn Bearings Rod bearings exist in-between the crankshaft and Jan 27, 2016 · If your 4. We have just about 2,000 miles and a very bizarre knocking sound has developed that sounds like an engine or transmission knock or vibration that is very challenging to replicate at the dealer due to the Nov 10, 2008 · Hey folks. Start with basic diagnostics: perform a compression check (post 23768258), and try to isolate the sound to the top or bottom of the engine. It sounds distinctly like a big end rattle and b eing a mechanic for 35 years I was pretty sure this was the problem. but still runs great. Too Loud for a lifter tick and to soft for a rod bearing. 30 mins drive home, did fine. I linked a video below so you Aug 4, 2011 · Drove the jeep and tapping slightly dissapears. DIY-Easy. Incorrect ignition timing, lean fuel mixture, or the incorrect type of spark plugs can also cause your engine to detonate. Nothing serious at all. It sounds a lot like piston slap but I have never heard of this engine having that problem Nov 16, 2010 · 2001 Jeep Cherokee 4. I purchased it about a 6 weeks ago and am the third owner. It May 16, 2012 · Cherokee Chat - Your Guide to "EXTREMELY common problems with an XJ (and how to fix them)" - I'm sure this thread will sink into the depths soon enough, but I want to at least try to do something to cure the problem of repeatedly asked questions. Order your parts online or pick them up in-store at your local Advance Auto Parts. Remove and re-use as needed or required from your original engine: Fuel Injector rail, Intake/Exhaust manifolds, flex plate/flywheel, cylinder head, distributor-less ignition or distributor assembly, engine sensors, motor mounts, fan belt driven accessories and/or mounting See the Blue Book Fair Repair Price Range for 1998 Jeep Cherokee common auto repairs near you. The sound appears after a few moments Aug 23, 2011 · Hi I just bought a 2001 jeep gc 4. Aug 5, 2012 · Hello everyone :wave: Recently bought a 1998 Cherokee with 4. This problem has a two-fold cause: 1) short and narrow skirts on the 4. About a month later she started having charging Jun 30, 2013 · on a well maintained 4. 0l 6 cylinder engine Engine or Transmission starts knocking 5-10 seconds after its started cold and seems to quite down considerably after about 3-4 miles - More noticeable under load - But the noise is still there, just not as loud as cold! Removed Serpentine belt to eliminate any 2001 Jeep Cherokee Xj 4. Got Napa gold filter changed with 5 quarts of valvoline high mileage, and added a quart of Lucas HD oil stabilizer. Initially it sounded like it was low on oil, idled fine but sounded like valves when the engine got over 2500 or 3000 RPMs. The Jeep Grand Cherokee should always have a smooth engine sound. Sounds low and at the rear, where the transmission mates. I tried all the simple remedies (marvin miracle oil and May 6, 2025 · Hello, I just want to preface this by saying I had my jeep checked out by the dealer and it does not have the infamous Pentastar tick. When i spray water on the grooved side of the belt the sound disappears but after drying it comes back. We'll cover the most common causes below. Oct 13, 2022 · A knocking noise coming from your engine can be caused by a bad sensor, and on a 98 Jeep Cherokee, it is most likely the knock sensor. May 24, 2015 · Here is the rundown. ) Do you have a Jeep 4. 6K subscribers Subscribed I have a 2007 jeep Cherokee 3. 0L I6, 137,000mi. 7 with a friend. Figured I had got a bad filter. If the noise seems to be coming from the lower end, consider the possibility of rod Apr 15, 2011 · I have a 1998 Jeep Grand Cherokee Larado w/ 6 cy engine. has slight knock, missing on 2 cylinders, compression on 1,2,4,and 6 cyl 92 to 105 lb. I know the brakes need replaced but this sound is new to me! PLEASE Nov 11, 2010 · Here is a video of the noise my jeep is making. 0 knocks like a jehova until it is completely warmed up?? Mine chatters/knocks like a diesel, but after driving for 20-30 minutes it gets considerably quieter. 5 ltr V M diesel 1998 - Answered by a verified Jeep Mechanic Jul 30, 2007 · Writeup in progressNot done yet Well today i replaced the crappy ground strap that grounds the engine to the frame It really wasn't that hard but i decided to make a writeup just in case anyone needs any tips while they go at it I picked up an 18inch piece of 2guage marine cable at my Jun 16, 2019 · Got a 93 Cherokee with the 4. Dec 23, 2024 · Yellow flags are raised when your Check Engine Light flashes, signaling a P0325 code, but what's behind the mysterious knocking noise in Bank 1? Nov 12, 2009 · I've previously posted that my 1999 cherokee with 36K had developed an engine knock at low RPM. I just took out my XJ and it was knocking pretty good. There could be several reasons that your Jeep is dying right away, including fuel problems, battery connection, ignition, faulty sensors, and engine control, amongst other things. 0 L fuel injected 190 000 miles and it sounds similar. and only the bell housing, particularly where the flex plate meets the crank shaft. The sound comes from the lower area of the engine/transmission. 5 auto 141k miles Knocking/rattling at idle Runs fine. 0 -89 Jeep Cherokee XJ 4. 2 -82 Reply Like Agony Wagon Discussion starter 2,023 posts · Joined 2008 Jul 2, 2013 · Curious if anyone else's 4. It sounds like rod knock, but not as deep, more metallic sounding. Here are the most common symptoms of a bad knock sensor, location & replacement cost. Research the 1998 Jeep Cherokee at Cars. After a few minutes of running, a knock sound starts. when I'm low on gas and making turns the pump isn't picking up fuel and it stutters. Lifter tick, valve tick, rock knock and piston slap. 5 lift with deaver coils and rubicon leafs in November and have been tinkering on it with the help of this board. 0 -90 (partsjeep) Jeep Grand Cherokee 5. Any ideas? It starts around 12 seconds. On this 4. mine needs replacing. Low rpm's it is still there. Your Choice of Quality. 0 litre. 0 engine knock by Krooser » Tue Jan 07, 2014 9:42 pm I'm going to look at a 2000 Grand Cherokee that is said to have an engine knock… are there any other things to look for that may sound like a bearing knock but aren't? The car has 158K on the clock… my wife wants a daily driver. This means that multiple cylinders within the engine are not firing properly, leading to a lack of power, rough idling, and potential engine damage if left unresolved. We have just about 4,000 miles and a very bizarre knocking sound has developed that sounds like an engine or transmission knock that is very challenging to replicate at the dealer due to the time it occurs under certain Apr 14, 2019 · If your 2015 Jeep Cherokee V6 is experiencing a knocking sound, especially during acceleration, and the check engine light is on, it could be related to several potential issues. It only does it when its first started and when the engine is hot, but only after sitting for 15-20 minutes. However, there is a loud growling sound coming from the front end. cranked engine, recieved exact same knock, shut off immediately, cranked again, engine noise slightly there. Aug 28, 2012 · Many Jeep Wrangler TJ owners with the 4. 0L engine report a knocking or rattling noise upon cold start that diminishes as the engine warms up. Mar 9, 2023 · The knock sensor prevents your car engine from knocking or pinging. Here is a little bit more detailed list of the most common causes of a knocking car engine: Dec 16, 2008 · Its still knocking. About one out of five drives results in a random very rough idle (say at a stop light or idling away from driveway) to the point where it stalls. Consider upgrading to a newer manifold design with bellows to prevent future cracking. The knock sensor is located on the engine block and is responsible for detecting knocking or pinging noises. 0 we change out the rocker arms, pivots, and pushrods. it should sound very Jan 21, 2006 · What causes piston sap. People who own, like, love, abuse, Jeep Cherokee XJ's. Aside from the less than 1 second cold start up noise, I actually like the tractor/antique small engine sound of the Wrangler 2. what can i do to stop or fix the problem? Oct 26, 2017 · I have a similar noise on startup (albeit higher pitched) and it goes away after the engine gets warm. 0 and 2. 0L I-6 Crated Engine for 96-98 Jeep Wrangler TJ, Cherokee XJ & Grand Cherokee ZJ Jul 16, 2010 · A couple of days ago My 96 cherokee sport with 4. There are three major reasons why oiling issues will cause your Grand Cherokee to knock. I personally drive like an ass hole everywhere I go do no issues What plugs are in it btw? Does running 93 octane help? Oil contamination of the combustion chamber can cause pre-ignition as well (worn valve seals/rings/etc. I've replaced the head with an aftermarket replacement. 0. 0 out of a '98 GC and don't recall a knock sensor on it. Loads of products out there claiming to quiet them down. 0 straight six making some noises? It is much easier to catch this common issue early, along with WAY cheaper and better after doing a fresh piston swap. Mar 14, 2011 · Picked up a 95 ZJ grand Cherokee Orvis edition last week for what I thought was a good deal at $1350. 0’s had them and mounted on the drivers side above the oil pan near the engine mount. 0L 6 cylinder engine, AW4 automatic transmission, and NP231 transfer case. Its more on the drivers side top. Dec 28, 2006 · Vehicle: 1998 Jeep Cherokee 4. Overheating the engine might result in a lot of costly damage. Jun 20, 2011 · At first I thought the knocking noise was a blown exhaust gasket. 0L engine blocks interchange. **This Jeep blew up about 4 hours after this video was made. I pulled valve cover - all rockers, pushrods and stems look and travel normal. youtube Sep 5, 2023 · The engine knock sensor in your Jeep is important to the vehicle’s performance. 0 engine and auto transmission started stumbling, hesitating, missing and when I give it more gas, spits or Is it time to replace your Jeep's engine? Browse our Jeep engine inventory from ATK Engines, AEV, Hesco and Golen Engine Services. World-class manufacturing, 5-year warranty, and flexible financing options. The one on the video seems a bit more severe, but my old Cherokee with 255k made the same noise for 50,000 miles and still does. Before we all say it’s a piston the engine has already been Feb 10, 2025 · Engine Repairs Engine rebuilds, cylinder head, head gasket, timing chain, timing belt, camshaft, crankshaft, connecting rods, turbocharger or supercharger (if applicable), valve train, piston rings, oil control system, engine knocking, engine misfires. Dec 3, 2018 · Hi all, Recently purchased an '01 Cherokee with the 4. Around May 25, 2017 · Hi everybody! My engine makes a knocking sound, here's the video so you can hear it and tell me what you think it can be. 0 liter has a knock sensor . 5 are known for the rocker arm ticking sound. When the engine starts cold: It sounds fine, no ticking noises, normal. The engine is quiet no knocking when the engine is cold. The original poster in this thread had a similar issue and resolved it by replacing the exhaust manifold. I help show how you can identify faulty parts that might also be making loud similar sounds. The knocking sound isn’t as deep as Jul 22, 2011 · a slight knock noise from engine when vehicle is in park,nothing when in drive and warmed up also looking for - Jeep 1998 Grand Cherokee question Jan 7, 2014 · Jeep 4. Any body have an idea? Mar 14, 2023 · Causes of Engine Knock The most common cause of engine knock is either the wrong fuel type in your car or a bad knock sensor. Sounds something like a diesel engine knocking a little bit. Compare the noise Jun 1, 2023 · I’m having a very bizarre issue with our 2022 Jeep Grand Cherokee L. Things we've done so far I have a 1998 4. Upon closer inspection I saw alot of goop on the top of the alternator. Sep 2, 2013 · Hi Guys, I have the opportunity to buy a Grand Cherokee WJ in very good condition (cosmetically at least) for a very cheap price. 0L inline six cylinder engine. 0 and it has a weird knocking sound at the front of the engine. Keep reading! Aug 3, 2017 · The exchange below is relevant to engine noises and separating valvetrain issues from actual piston slap. The oil pan was removed and confirmed that the #6 piston skirt was broken off in a few piec 1998 Jeep Cherokee Engine Makes a Ticking Noise? RepairPal will help you figure out whether it's your Low Oil Level or Pressure, Ignition System, Exhaust Leak, or something else. I have not lifted or performed any performance upgrades to the vehicle. I'm experiencing a pretty noisy tapping sound when starting the engine cold. If the knock sensor isn’t working correctly, it can cause various issues and even trigger a “check engine” light. By definition, Mar 21, 2024 · Discover the meaning and potential causes behind your Jeep's check engine light. While concerning, several mechanics and owners suggest it's a common issue, potentially related to piston slap, lifter noise, or cracked exhaust headers. An engine knock can be a sign of major engine problems. I will not repeat this again nor will I respond to anyone who thinks otherwise. We use 90+ years of pricing know-how to show you what you should expect to pay for auto repairs. Oil pressure is perfect, running 10w30 oil Jul 8, 2025 · Hearing a ticking sound from your Jeep ’s engine? If so, this is the article for you. Among the most common causes of Jeep overheating are low coolant levels, clogged radiator fins, heater core issues, air pockets, and blown head gaskets. Fast Online Catalog. Yes, I know that would require people reading the thread, but I think Nov 6, 2011 · Jeep Cherokee XJ 4. It has made a fluttering/tapping noise in the cabin ever since I've had it (see video below, please ignore the chirping, pretty sure the distributor needs to be replaced) Nov 2, 2016 · This video is just to give information on the steps to take and about the jeep 4. The Jeep has 84K original miles on it. run the rpm's up and it does go away. is a bearing knocking, a bad timing chain, a stuck or bad lifter or what the heck is this noise ??? Jun 23, 2020 · I have an ‘04 grand Cherokee just coming up on 100k. 0 L straight six-what would be expected life (miles) +/- for the origional timing chain and gears?. 0L? I imagine that the transmissions and engine setups were very similar between the cherokees and wranglers but seeing as this is my first Jeep I am still figuring thigs out. A simple trip to the junk yard and it's fixed May 4, 2021 · Hello all! I need some help tracking down an engine tick on my 98 Jeep Grand Cherokee. Oct 14, 2008 · '98 4. The Jeep still looks and smells new. of torque, 9. Jan 19, 2005 · I know my jeep makes the famous ticking sound but this was like a knocking sound and defiantly a lifter. If the knock sensor goes bad, then the engine can knock. 0 with less then 156k get a bottom end knock. When I rev the engine, the May 8, 2012 · First I will say, I have ABSOLUTELY NO affiliation with this company or product. 2l engine that started to make a tapping/knocking noise coming from the front top of the engine. Aug 15, 2019 · Jeep Grand Cherokee Engine Knocking Causes Here are a few of the most common issues that would cause your Grand Cherokee’s engine to knock: Low Oil Low Oil If your Jeep Grand Cherokee is low on oil, it’ll cause a harsh knock as the engine is starved for oil. Sep 6, 2024 · Code P0300 Jeep Description When a Jeep triggers a P0300 code, it indicates that the engine's computer has detected a random cylinder misfire. One user had their cylinder heads, rocker arms, lifters, and camshafts replaced under warranty due to this problem. and the mysterious intermittent engine knocking/clanking is finally discovered! Come along as we change fluids and end up Nov 4, 2019 · Jeep Cherokee: Bad Timing Belt or Chain Symptoms Knock Sensor Modern engines use a knock sensor to correct knocking automatically. It can be caused by a variety of problems, ranging from simple issues like bad spark plugs to more serious internal engine problems like rod knock or piston slap. Turns out early 4. This issue is known and sometimes covered under warranty. I have a little nagging noise coming from the left side of the serpentine belt(ed?) area. The best thing Compare 1998 Jeep Cherokee Engine Mounts brands. No major Engine Repairs problems have been reported for the 2005 Mercedes-Benz ML500. Oct 7, 2014 · I already Know the answer and have solved it but what do you think. 0 of this vintage. I tested 4 of 6 cylinders for compression and all were at 110. Sep 28, 2023 · Lets talk about the four big noises often attributed to the AMC/Jeep 4. Oct 14, 2015 · This article applies to the Jeep Grand Cherokee WJ (1999-2004). Full Manufacturer Warranty. I got a spare 4. I was Used Engine Complete Assembly fits: 1998 Jeep Cherokee 6-242 4. 6 hours ago · A knocking sound from your Jeep can be a concerning issue. I have a 1996 Jeep Grand Cherokee with 5. 30 at 148 mph quarter mile in Plaid Mode. It is coming from the bottom of the engine or transmission. so what you nguys think of RESTORE, good? bad? no diffrent for the. These are the most common reasons why your engine knocks. 2L V6 engine, especially around 97,000 miles, it could be related to bad bearings on the rocker arms damaging the camshaft. 7l. Jan 22, 2025 · ATK New 4. LOTS of reading through the forums here. It sounds like it is coming from the TOP side of the engine. also I can hear it sounds bad when I turn key on but don't start motor. Everything screams "lifter noise = bad!" My question is, is it really a problem? Or is it much ado about nothing? Can I just Jul 20, 2011 · Also, the reason why I mentioned the battery problem is because I think it might have to do with the screeching belt. Our 1998 Jeep Cherokee XJ finally gets some mechanical maintenance. It's like a time capsule. Last year I replaced my motor mounts within a week or two of each other and they ended up failing within a few weeks, there is an audible clunking noise when Nov 30, 2006 · friends! I have a 2000 XJ Sport that has this knocking sound (like lightly banging a hammer againsts a piece of hard plastic) when I brake. ft. Sep 18, 2023 · If you’ve recently come to start your Jeep and found that it has died straight away, it will be a huge frustration and a significant concern. 0 with 66k miles. You won't hurt the engine running it with this sound. Just more food for thought , clarification and process of elimination . 5TD -94 Chevrolet C20 6. Could it be that the battery acid spilled over through the hole and onto the alternator causing the screeching noise? It's a 1998 Jeep Cherokee Sport, 4L Dec 16, 2006 · Hi guys! Today, on my way to the movies I've notices that my oil pressure dropped down to 20psi when idling. 7 Magnum modded the same as Jeep and, Recently Sold, 06 300CSRT8, Comp. 0 I6 engine knock at idle when warm but not when cold. if i kick it into neutral quickly enough, it won't stall (still a rough idle but the transmission burden Jun 24, 2020 · Hey everyone, I have a 1998 Cherokee Limited with 87k miles. 2 -93 Chevrolet Silverado 2500 6. It does it in park, neutral, drive and reverse. For some time now a "knocking noise" has become more evident. Che Jul 8, 2017 · I'm working on a 2001 jeep grand cherokee limited 4. This concise guide dives straight into understanding the cause and provides solutions to ensure your vehicle’s safety and performance. The problem is, the engine is producing some kind of knocking sound. 0L VIN S 8th digi (For: 1998 Jeep Cherokee) SHIPPING TO BUSINESS ADDRESS ONLY! 90 DAY GUARANTEE! Updated #3031 Head - Shop for 4. If I let off, it seems to stop. 0L knocking I have a 1998 Jeep Cherokee XJ with the 4. Dec 4, 2017 · This has been solved, so I'm leaving it up to help educate others. I first noticed it app 2,000 miles ago,when lifting my foot off the gas pedal. The interior is loaded and in pretty good shape and the engine runs beautifully. 7 rattle Just been looking at this thread regarding the "Jeep knock"on the 3. Cold and at idle. 0L Limited Engine Knock w/ Video Jump to Latest 20K views 26 replies 15 participants last post by robsjeepxj Mar 23, 2011 S Aug 29, 2016 · That will promote detonation which would trigger a knock sensor to retard timing . I changed the oil and added 15w40 Rotella (Ive heard good things about the ZDDP, etc)and a quart of lucas to hopefully quiet it down Jan 30, 2006 · How many time has anyone seen a 4. It is a very high pitched sound Apr 4, 2020 · I've watched a ton of videos on youtube about rod knock and they all seem to be very loud and audible from the top of the engine; mine you can't even hardly hear unless you stick your head underneath the Jeep (where it's pretty noticeable). It goes away when at 1500 or so rpm, and does not change pitch under load or in any gear at idle. Oct 1, 2010 · 1989 XJ, 4. cusg fynpuw lrlb vzw bgvvw drzyh volq ecxeqyhgp xssvsf agzrdn