The check engine light came on. I had my mechanic shop check the codes and the oil pressure sensor that is mounted in the oil filter housing went out at 64000 miles. The repairs are very expensive since the intake manifold will need to be removed to replace the parts. The oil filter housing which the oil pressure mounts into will also need to be replaced since it was leaking. The shop advised they have replaced several in the last few months and the issue was very common.

- Gallatin, TN, USA

The plastic oil filter housing cracked at about 80,000 miles causing a major engine oil leak from the top of the engine. Oil has leaked down and splattered all over the undercarriage of the vehicle and onto the exhaust pipe causing significant smoking and a potential fire hazard. The mechanic advised that this is a common failure on 3.6L pentastar V6 engines and the only fix is a replacement of the part. The mechanic also provided his opinion that the cause of the failure is a poor design due to material durability. The vehicle has been maintained at its regular intervals and has received light to moderate use over its lifetime so far with mostly highway miles.

- Livermore, CA, USA

While sitting at an intersection, we could smell burning oil and smoke. Got the Jeep home and found a steady drip of oil around bell housing. Found that engine valley is overflowing with oil, oil filter adapter housing failure and causing oil to leak onto hot engine creating intense smoke. Found that this is a common issue on Chrysler/Jeep 3.6 liter pentastar engines and hundreds of complaints. The repair for this common environmental fire hazard is costly. Why is this not a recall?

- Calgary, MT, USA

The lifters are sounding and can cause the engine to mal function or stop working all together. I know of 2 other people close to me that this is happening to also.

- Cayey, PR, USA

I was just starting a drive home when suddenly my cars "check engine" light came on and it refused to go higher than 3rd gear. Within minutes, my engine was starting to overheat. I was lucky enough to coast into a nearby auto repair place for them to check things out. Their diagnosis was that my oil cooling housing cracked and has been leaking oil everywhere, including the undercarriage (which I'm told is a fire hazard). They also said it's a very common problem with the 2014 models and they're shocked Jeep hasn't issued a recall on it. I later did some reading and found hundreds, if not thousands, of other people who have had the same problem. A recall should be issued for this faulty part instead of making all of us pay $750+ to fix it.

- Aurora, CO, USA

I own a 2014 Jeep Wrangler unlimited sport. Went for my oil change at the dealership and they told me I need to replace the oil cooler assembly because it cracked and is leaking oil and the engine oil is pooling in the pan. At the tune of $1200. I went home and found this is manufacturing defect with hundreds/ thousands have this problem with their 2014 Wrangler. I see just a few who had this covered under warranty but not without a hassle from dealerships. Most, like myself are told it's not covered. 5 year/ 100,000 mi. Now 6 years. I believe I've had this problem for awhile but now after warranty expired it's brought to my attention. The problem lies with a piece changed from metal to plastic. It cracked and will be replaced with another plastic piece that will most likely crack again. If that's not bad enough, I see it's also a safety hazard! hot oil pooled in the bottom pan and on the engine has caused fires. Jeep on their own hasn't made the oil cooler crack a recall. No surprise there. But it's time they need to be responsible for this manufacturing defect ! look at how many have this same problem! please!!

- Norton, MA, USA

Oil filter housing/cooler seems to be leaking. This seems to be a widespread problem with Chrysler products. I am not sure how long this issue has been occurring but it seems to be getting worse.

- Cumberland, MD, USA

Ticking noises when vehicle in motion for highway driving and city driving. Left cylinder head cracks.

- Chester, VA, USA

Oil cooler/oil filter housing and gaskets have a known defect that causes oil to leak onto and into engine components, such as the radiator, causing thousands of dollars in damage to the vehicle. Jeep/Chrysler/Dodge/Ram techs know that this is a common defect, and the leaking oil can and does burn, which can lead to a total engine fire!!! I first noticed the issue when I smelled burning oil. Thinking it was just a minor issue that could be fixed whenever I had the free time, I continued driving for another week or two until smoke started coming out of the engine! I finally took it in because there was way too much smoke to be safe (fire?). the tech that worked on my Jeep, mike pollard, says he sees this issue all the time, advised me to pay for the repairs and then file for reimbursement with their corporate office since it is a known issue and my Jeep only had 43,500 miles on it (well under the 100,000 mile powertrain warranty). Well, I did as he asked, but corporate customer care is useless, will not reach out to the tech as asked, and are doing their best to not pay because vehicle is out of warranty and there is not a recall. Either way, this issue can start a fire if left unfixed. Jeep knows that this is a common issue, yet will not do a recall unless forced (money over safety). Look online at the hundreds of others complaining about this common issue. Https://https://www.carcomplaints.com/Jeep/Wrangler/2014/engine/oil_housing_leak.shtml https://www.carcomplaints.com/Jeep/Wrangler/2014/engine/leaking_oil.shtml I have exhausted trying to get these charges reimbursed. This cost me over $2000, and my vehicle only had 43,500 miles on it. What's worse, is that they replaced it with the same defective part as usual, so now I have to worry that it'll just happen again soon. Please help!!!

- Brentwood, TN, USA

My vehicle is well maintained. Oil leaked all over the engine and onto my garage floor from a faulty engine oil cooler & intake gasket set. This was a very expensive repair that I can't afford. My mechanic (small shop) fixes this same repair 2-3 times a week. That is ridiculous and something needs to be done to reimburse Jeep Wrangler owners that have a huge oil spills to clean up.

- Ankeny, IA, USA

Oil adapter housing cracked for the second time in 6 months. 1st time caused external leak and it was replaced.this time cracked again but internally causing oil to leak into coolant. Caused $3200 worth of damage and had to have coolant system replaced as well as heater coil and hoses. I know of 7 other Jeep Wrangler this has happened to recently.

- Eustis, FL, USA

Cracked "oil filter housing adapter." Causing oil to leak all over the bottom of the engine, could potentially start a fire.

- Saint Louis, MO, USA

Noticed oil on the garage floor in January 2020. Engine is leaking oil from the oil cooler that is on top on the engine. Could be a fire hazard as oil drains down the back of the engine. Vehicle has 86000 miles on it but has been leaking for a while. Now it is leaking very bad and can smell burnt oil when driving. Looking on forums online and many 2014 to 2016 3.6 engines have this issue. Issue seams to be from faulty gaskets and in some cases cracked housings on the oil cooler. Mine is no longer covered under any warranty. I thought it was from the oil pan gasket at first, but when I started to smell oil burning, I started looking closer at it and found oil laying in the valley on top of the engine.

- Litchfield, OH, USA

Oil cooling filter housing cracking/leaking on 2014 model Wrangler jku. Eep has a known epic failure is design flaw in its 2014 Wrangler when it switched from a metal oil filter cooler housing to a plastic oil filter cooler housing. Hundreds of cases of the part breaking/leaking oil all over lower engine and exhaust which is a fire hazard

- Orrville, OH, USA

There has been many complaints on a rear main seal leak. My vehicle is not even close to 150K miles its barely at 90K and already having a leak issue. I was reading online that certain Jeep right at 16K were having the same issue. This is costly and it is extremely uncomfortable that my vehicle goes from being good to drive to hey now you have a rear main seal leak and it will cost you around 850 plus dollars. It leaked oil in my driveway and now I have to pay someone to clear that up.

- Copperas Cove, TX, USA

Jeep started leaking oil at 57000 miles oil leak was due to a known part failure the oil housing which is plastic and can easily crack. Vehicle has only been serviced at dealership where it was bought. Oil housing located under manifold, oil leak can potentially cause a fire when it splatters on manifold. Jeep knows this part can fail at any time.

- Carrollton, GA, USA

Oil cooler failed and caused complete disspursment of oil while driving. Oil leaked all over the underside and rear of vehicle. This could casue an accident or fire in the engine bay. Replaced in October 2019. Worked till Feb 2020 now it is loeaking and the reservoir for oil cooler is showing pooling... again. This part is made of cheap non heat managable materials. It needs to be recalled. This replacement is not cheap or an easy task.

- Rockwall, TX, USA

Oil filter adapter cooler on top of the engine, leaking, filling the valley with 2 inches of oil in some places. Could cause fire and oil spilling over the exhaust. Oil runs down the bell housing down the transmission and across the crossmember. When you stop you can smell biting oil, due to this issue.

- Coopersville, MI, USA

The contact owns a 2014 Jeep Wrangler. While parked the contact detected oil leaking from underneath the vehicle. There were no warning lights illuminated. The vehicle was taken to an independent mechanic who stated the oil cooler filter housing needed to be repaired. The vehicle was taken to ourisman Chrysler Dodge Jeep Ram 12430 auto dr, clarksville, md 21029 (410) 988-8100 where diagnosed the oil cooler filter housing needed to be replaced but was not repaired. The manufacturer was contacted but no further assistance was provided. The failure mileage was 66,000.

- Brookeville, MD, USA

Same as alot of other people's complaints and I'm very shocked that there is not a recall for an issue that is such an on going problem, my oil cooler is leaking once again on my 2014 Jeep Wrangler jk and I've already spent hundreds of dollars to fix this issue and now going through this once again it is straight bull crap. I was driving down the road and came to a stop light and noticed a ton of white smoke coming from underneath my hood and I though no way not again but to my surprise I was right oil was sitting in the valley right underneath the black oil reservoir. The date below is when I notices it for the 2nd time...1/15/2020

- Prince Frederick, MD, USA