On Dodge and Jeep 3.7 PowerTech's, valve seat failure is most commonly caused by excessive engine heat. Excess engine heat can warp the metal the seat is made of and therefore cause it to pop out of its position. 3.7 Magnum Valve Seat Failure Symptoms Loss of engine compressio It is prone to a few problems that you should be on the lookout for if you own or are considering a Jeep with the 3.7L (225.8 ci) engine. Being aware of these problems may help you prevent major engine failure. The Jeep 3.7L The 3.7L V6 engine (2002-2012) was used in many Chrysler vehicles, including Jeep Vehicle spit out a rocker and wrecked the head and piston when the rocker jammed the valve open. pulled out the 3.7 and replaced it with a retrofitted 1998 TDI diesel engine. Return to top. 2004 Jeep Liberty 4dr SUV. 210-horsepower 3.7L V6 5-speed manual 4WD, part-time w/low range Jeep Liberty Engine Problems
The 3.7L V6 PowerTech (also known as 3.7 EGK and Dodge 3.7L Magnum) is a 3.7-liter six-cylinder gasoline engine developed by Chrysler and produced from 2002 to 2012. This 3.7L engine a long time was a base power option for the Dodge Ram pickup truck, but also can be found on the Jeep Liberty/ Cherokee, Jeep Commander, Jeep Grand Cherokee, and. 3.7 Liter I have the same problem with my nephews 2002 jeep liberty I have the rockers popping off and all rockers and lifters have been replaced it is only on the right side head this jeep has only 48,748 miles he purchased it 9/7/2005 only put 2,000 miles on it this is the third time they poped off dealer fixed and then Technition replaced. Good afternoon YouTuber's today I'm going to A very special video something that we came across after we replace the timing chain with cheap Chinese tensione.. My 2002 Liberty with the 3.7 litre engine lost power and the engine symbol came on under hard acceleration getting on the freeway. This was the second time. The first time was bad fuel at Walmart...
Engine misfire is a common problem for both generations of the Liberty. Things were bad for the 2002 Jeep Liberty, which had problems that caused total engine failure. Vehicles with over 100,000 miles on the odometer had blown engines in need of replacement. This has been a main cause of frustration for drivers of the Liberty, especially. The 3.7L is a very good engine. It provides plenty of torque so it's very adequate for off-road use and even when towing. The downside of the 3.7L is street/expressway driving when you want acceleration. The Commander is heavy, and the 3.7L accelerates noticeably more slowly compared to the 4.7L and 5.7L The 2002 Jeep Liberty has 50 problems reported for engine failure. Average repair cost is $3,680 at 129,250 miles. (Page 1 of 3 Summary: A severe misfire with a 3.7 or 4.7 Dodge or Jeep vehicle that is accompanied with an engine noise on the top end and backfiring through the intake or exhaust could have a fallen rocker arm. This is becoming a quite common and somewhat puzzling occurrence The 2002 Jeep Liberty has 73 NHTSA complaints for the engine at 143,162 miles average. (Page 1 of 4) CarComplaints.com : Car complaints, car problems and defect informatio
I have a 2003 Jeep Liberty 3.7. Runs great but randomly check engine light will flash and it starts acting like its gonna die but doesn't. Shut it off for awhile and start back up its fine. Sometimes light comes back on solid for awhile but runs fine. Code is misfire on cylinders 1 thru 6 Jeep Liberty Reliability Problems. Liberty owners have made 2,206 complaints over 12 model years. Using our PainRank™ system we've ranked it 5th in overall reliability out of 9 Jeep models, with real windows and engine concerns. 8 Common Jeep Liberty Problems 03 jeep liberty 3.7 liter v6 the rocker arm keeps coming off and it has an overhead cam wondering what all could be the problem Posted by Anonymous on Dec 28, 2010 Want Answer Engine Timing. If your Jeep Liberty's engine timing is off, it's going to stall out, misfire, and altogether not run properly. Here are some of the more common causes of an engine timing problem: VVT Problem- Many modern engines are equipped with Variable Valve Timing. This allows for the engine to be in the sweet spot of power or. The Liberty Diesel's 18-mpg average is better than the V6 Liberty's 15 mpg, but it comes at a hefty price. The engine sounds like a farm tractor and acceleration is slow
Jeep CRD Engine Information Jeep Liberty KJ (2007) - Service Manual and Wiring Information Jeep Liberty 2002-2011 Service Repair Workshop Manual - PDF DOWNLOAD Jeep Liberty 2.4l [Episode 5] How to make a 2004 2005 2006 Jeep Liberty 3.7 Engine work in a 2002 or 2003 Jeep Liberty Jeep Liberty KJ 2005 - Service Manual, Repair Manual Jeep Liberty 2. Just to clear a few things up, the 3.7 and 4.7 engines are great AMC engines that do not suffer from sludge problems. Dont want false info to get started due to lack of maintenance or crappy oils. Here are some pics of a 4.7l with 200k on it. Owner replaced the worn out timing chain tensioners. enjoy In my experience most problems with the 3.7L or any other Chrysler engines can be attributed to lack of oil changes or overheating the engine. Wiki User 2012-05-30 11:36:4
.7 L V6. I am considering purchasing a 2008 Jeep Liberty with a 3.7 L V6. I am concerned because the 2003 lacks sufficient power to climb long hills. The 200 read mor 2008 Jeep Liberty 4dr SUV. 210-horsepower 3.7L V6 4-speed automatic 4WD w/low range. 103540 mi. Possible cooling system fault. Coolant reservoir when checking engine oil level. Refilled reservoir and am assessing situation. 8000 mi. Problem with the electronic relay on the 4WD. 101000 mi
Preventive engine cleaning enables you to restore engine parts rather than replacing them, thereby saving vehicle owners on costly parts, such as a new turbocharger ($ 1.350 - 3.100), catalytic converter ($ 600 - 2.000), DPF ($ 600 - 2.000) or EGR valve ($ 370 - 500). These problems result mainly from poor combustion, which stifles the engine I have a 2005 3.7 Liberty & I have a code for # 4 injector . I have definitely narrowed the problem down to no ground signal from the pcm for that injector . I traced the wire from the injector to the pcm connector , bared a small spot in the wire just outside the pcm connector & there is no ground signal coming out of the pcm on that wire
This is not a nut and bolt video I'm assuming if you're able to remove your engine or thinking about it. you probably know where most Of the bolts are. this. 03-13-2009, 11:06 AM. you don't see it in the manual because the three chains are usually good for the life of the engine. their is no replacement recomendation. now with that said: keep in mind, timing chain failure (which is rare) is caused by not keeping the oil changed. when oil looses its lubricity the chain stretches One of the most common critical engine problems is the blown head gasket. If your Jeep Liberty has blown its head gasket, you may find it running poorly or not at all. Below you'll find the symptoms, causes, and price of a Jeep Liberty head gasket. A head gasket's job is to create a seal between the engine block and the head(s) this jeep liberty throws off the same rocker arm every time,when it cold out and you first start the motor throws off the rocker arm its done this 3 times i read it is a common problem with 3.7 2002 jeep liberty i replaced the lifter a couple weeks ago it done it again today any help could this engine be stopped up with sludge and not letting the lifter build up presser quick enough or maybe i. RE: 3.7 problems? Issues IP: Logged Message: i have the 3.7 mated to an auto. i have the engine surging/rough idle problem as well. The engine does not do it in the Liberty due to wieght and gear ratios as well as the torque converter only locking up when the engine is out of the stage where it stutters
Sep 28, 2015, 5:09 PM. Post #3 of 14 (2132 views) Re: Jeep Liberty 3.7 V6 Engine. You start mixing parts together and your going to run into problems. The 2002 heads are different than the 2005. The 2002 uses the Jtech controller and the 2005 uses the NGS controller I have a 2005 Jeep Liberty and it also has misfiring problems. It's been overheating only when idling here lately and then started having big time problems so I replaced the engine Cooling temperature sensor ET C also replaced the throttle body position sensor then replaced the manifold pressure sensor known as the map sensor and it runs a lot better but still have a cylinder 3 misfire and it. 2002 Jeep Liberty 3.7. Tags jeep. Jump to Latest Follow Quick Survey can bring the bus voltage down and prohibit the engine from starting and light all the instrument lights. A shorted crank sensor is in many cases the problem on the WJ, but sometimes also water ingress in one of the connectors, causing corrosion and short in between the.
I have owned a Jeep Liberty since it was a new lease and I purchased it outright at the end of the lease. The car currently has 95K miles on it. Its had all factory scheduled maintinance and I have use synthetic oil since the first oil change. In January the car started running poorly with little power and the check engine light came on. In scanning the OBD I found the number three cylinder. . Open the hood of your Jeep Liberty. Locate the low pressure air conditioning line. The air conditioning lines will be steel lines running on the left side of the engine bay. The low pressure line on your Liberty is marked with a blue valve cap on the line
Problem with your 2003 Jeep Liberty? Our list of 13 known complaints reported by owners can help you fix your 2003 Jeep Liberty. Close. Problems / Jeep / Liberty / 2003; 2003 Jeep Liberty Problems. Find the most common issues based on car owner complaints Check Engine Light. We'll show you how to replace a PCM ECM ECU Module on a 2002 Jeep Liberty. LOCATION. Begin replacing the Jeep PCM of your 2002 Jeep Liberty by locating the module. The location of the PCM is in the engine compartment in the back right near the battery. Before we start, make sure to do this to ensure safe replacement . Idle speed is too low because the Engine Computer has not relearned minimum throttle. Until that occurs, the engine will be hard to start unless you hold the pedal down 1/4, you will not get the nice idle flare-up to 1,500 rpm. Engine stopped with loud noises obvious something broken. Towed to dealer. Dealer indicated engine failure due to oil sludge issue. Dealership indicated that this was a common problem even on well maintained 2002 Liberty 3.7 engines. Not even 73,000 miles on the engine. Internet is full of stories similar. - Sherwood, AR, US I got a new 2008 Jeep Liberty, 3.7 L engine, looks identical to the 2002 version as far as spec. I recognize the 10W30 offer a little viscosity of oil, but isn't that a trade off for min. Of oil related oil? What happens if you go with 5W30 instead of 5W20? That 20 value with the high temperatures of modern engines seems to be asking for trouble
Gas Recirculation Valve (egr Valve) problem of the 2005 Jeep Liberty 14. Failure Date: 11/28/2006. The engine light has come on 4 times in the first 14 months of owning the car as a result of problems with the egr valve. This is typically prefaced by the car being sluggish when pulling from a parking spot 3.7L PowerTech V6: This 3.7 Jeep engine for sale on eBay is the most common type of engine used in Jeep Liberty models. Due to the prevalence of this engine in the secondary market, it's also referred to as 3.7. While the base sports model of Jeep Liberty used a 2.4L engine, upgrades to a 3.7L engine were also available in the earlier sports. Jeep 3.6 Engine Problems. February 7, 2020. Add comment. 5,597 views. 5 min read. Is the Jeep 3.6 Pentastar a good engine? In particular, the unit received a two-stage valve lift height change system (VVL). In normal driving, it is small, but when the gas pedal is pressed abruptly, it switches to high lift mode, which improves gas exchange at. I took a quick survey of complaints on the NHTSA site and found 23 other Jeep Liberty records from 2006-2012 describing valve failures and engine fires, which indicates a design flaw and need for investigation. Nhsta should also look at model years 2002-2005, Dodge nitro, and other vehicles that used the mopar 3.7 engine Certain Jeep engines had the habit of developing exhaust leaks. The 4.0-liter inline 6-cylinder engine available in the Cherokee from 1987-2001, the Grand Cherokee from 1993-2004, and the Wrangler from 1991-2006 (among others), was particularly known for this issue
How can I Reset my Check Engine Light? : Jeep Liberty 3.7 L 210 hp Gas - 2002 Check engine lights go on when there is a problem in the engine or the emissions control system. You should always have the codes generated by your car's computer scanned an d read so you can determine the cause. You can reset the light once you have fixed the. Engine Problem on the 2012 JEEP LIBERTY. Car problem(s) with the 2012 JEEP LIBERTY. This database includes information received by NHTSA from consumers either directly or as recorded by the Vehicle Safety Hotline. This information may be used by NHTSA during the investigation process The 3.7's first use was being the optional engine on the Jeep Liberty, followed quickly by use as the 2002 Dodge Ram's base engine. In both cases, the 3.7 V6 was mated to a five-speed manual transmission or an automatic. It was later attached to a six-speed manual The Jeep Liberty is a good starter car. It has a v6 engine so it can pick up speed pretty quickly however rides like a Jeep. Meaning that it is a bumpy ride. There are not too many issues however, the Liberty has started to have more and more issues as it reaches 17 years old. 2002 Jeep Liberty
.7 4x4 automatic starts and runs nice and smooth if you give it gas, but letting off the pedal it dies. I used the OBD II 2002 Jeep Liberty won't idle (vehicles, auto, fuel, trucks) - Chrysler, Dodge, Jeep, and Ram - City-Data Foru Q: My 04 jeep liberty 3.7 will not start, it cranks and cranks and I can hear fuel pump turn on. Battery and starter tested good If the engine cranks at adequate RPM, be sure there is adequate fuel in the fuel tank and that the.. Jeep Liberty 3.7 Engine Problems ️ Find Out More Here I bought my 3.7 from chuck and eddies. Southington Connecticut. 1200.00$ 71,000 miles 6 month warranty and 400 for the jeep liberty renegade. When we first talk . Me and the scrap yard they told me 2002 would only fit 2002 and 2005 kj 3.7 would only fit an 05 . I thought that was odd
Engine Problem on the 2002 JEEP LIBERTY. Car problem(s) with the 2002 JEEP LIBERTY. This database includes information received by NHTSA from consumers either directly or as recorded by the Vehicle Safety Hotline. This information may be used by NHTSA during the investigation process .7 V6 from North America. Faults: My check engine light came on. I took it into the dealer, and was told I had an internal problem with the engine. I am covered under the warranty. It is hard to believe that Chrysler could produce such a low quality engine. Seats stain with water. I have also had air conditioning problems View all 34 consumer vehicle reviews for the Used 2012 Jeep Liberty on Edmunds, or submit your own review of the 2012 Liberty. The 3.7 engine is the same way. Fuel mileage sucks, but you are.
Jeep Liberty 3.7 To 4.7l Engine Wiring Diagram. Jeep Comanche (MJ) () w/ L engine w/ SAE threaded oil filter. Jeep Liberty (KJ) () w/ L engine. Jeep Liberty (KK) () w/ L. Water pump torque sequenceL and L engine. Installation is the reverse of removal. Tighten the bolts in sequence to 40 ft. lbs. (54 Nm) Likewise, if you need a new Liberty 3.7 valve cover gasket or any other Liberty engine parts, we can help. Our Jeep Liberty engine diagram assists you with identifying the right replacement parts for your Jeep's engine. Take Advantage of Our Expertise and Pricing When you order from 4WD.com, you don't have to worry about getting the best. Jeep check engine light (CEL) comes on when the On-Board Diagnostic (OBD) system detects a problem with the engine, transmission, or evaporative system. In this article, we cover common problems that trigger the Jeep check engine light to come on, symptoms, and how to read the fault codes yourself with an OBD-II scanner The mystique is a car I would not give my worst enemy, we had to put a new transmission, 2 timing belts (3 weeks apart), The engine had a problem with the RPM's not staying set. General Comments: I bought the Jeep Liberty Sport because we need a more reliable vehicle. It has room for two growing boys to sit in the back Engine coolant (which is also called anti-freeze or antifreeze) circulates through your Liberty's engine and keeps it from overheating. In 2006 Libertys with the 3.7 liter engine, coolant leaks are most likely to occur where the hoses connect to the engine, but it can also leak from the reservoir or from the hoses
RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. Easy to use parts catalog I left it in place. I did replace the radiator and added a mechanical fan clutch off a 3.7 jeep liberty that was in the junk yard. It was the only one with a mechanical fan out of 8 Libertys. So far after 60 miles, no overheating. The guage is in between 1/4 and 1/2. Doesn't seem to be leaking any fluid. The engine light has never came on (1) 1 product ratings - 2002 Jeep Liberty 3.7 A/T ecu ecm engine computer 56041606AH pcm module oem $99.95 56010055AJ 2002 Jeep Liberty PL PW Body Control Module BCM With Keyless (Fits: 2002 Jeep Liberty Engine is done, seized up at 100,000. Since she got it at 50k in 04 it's had oil changes etc every 3000 miles. But who knows what the prior owner did. Jonathan Seifert. 05 Jeep Grand Cherokee 3.7 liter, AWD, Fully Loaded. (formers)98 Jeep Cherokee sport atx (white jeep club member #59, 02 Jeep Liberty sport Donnie. 2010 jeep liberty 3.7 hard to start and rough idle at start.Also overheating when idling or in traffic and it's also having misfires in cylinder 1 and 5.Have added some coolant but not a lot.When it's hot it's hard to start sometimes. My car has 95000 miles. My car has an automatic transmission
Re: 2006 Liberty 3.7 knocking noise Reguardless if the knock is coming from the water pump or not it sounds like it needs replaced. I am not sure how hard they are on that engine but on the 2.5 in a TJ the hardest part is removing the fan shroud. Dodge/Jeep 4.7 Firing Order. The general consensus among several master techs that I discussed this problem with is the main cause of a fallen rocker arm in a 3.7 or 4.7 is from excessive carbon build up.. Carbon build up on the valve stem can cause the valves to stick momentarily. If the valve sticks for a fraction of a second too long. JEEP LIBERTY CHEROKEE 07 liberty stalling issues. I have a 2007 jeep liberty with the 3.7 engine with about 85000 miles. Wife was driving it and it threw engine codes and started running rough. codes said catalyst inefficient. She had just filled it with gas the day before and the pump was acting funny so we figured it was water in the gas If the window regulator wasn't enough of a headache for owners of the 2006 Liberty, there were other issues worth mentioning.Jeep issued 10 recalls, addressing various failures and safety hazards.There were concerns with the rear lower control arm fracturing, a potential fuel leak at the point of ignition, and an engine wiring harness failure that created a potential fire hazard as well Chrysler (FCA US LLC) is recalling certain model year 2003 Jeep Liberty vehicles manufactured March 29, 2003, to July 3, 2003, and 2004 Jeep Grand Cherokee vehicles manufactured May 27, 2003, to.