CarComplaints.com Notes: Poor side crash test ratings from the IIHS are really no surprise.

9.0

really awful
Typical Repair Cost:
$3,400
Average Mileage:
130,100 miles
Total Complaints:
2 complaints

Most Common Solutions:

  1. lifters replaced (1 reports)
  2. replaced left and right heads (1 reports)
2012 Jeep Wrangler engine problems

engine problem

Find something helpful? Spread the word.
Get notified about new defects, investigations, recalls & lawsuits for the 2012 Jeep Wrangler:

Unsubscribe any time. We don't sell/share your email.

2012 Jeep Wrangler Owner Comments

problem #2

Sep 252017

Wrangler Sport Unlimited 3.6L Pentastar

  • Automatic transmission
  • 118,000 miles

A D V E R T I S E M E N T S

So the vehicle had a new left head put on it around 60k. At 128k same issues. Took it to shop. Two weeks later they had replaced the head on the left again, 3 camshifts and all lifters. Drove it 3 days. Engine light came on. Back to shop. Now it's a right head with a cracked valve. A week and a half later, I get the jeep back. Drive it a week, sounds like a bird is hung up in the vehicles' engine chirping. Back to shop tomorrow. 4200 dollars later and still messed up. Chrysler knows they have a problem with the left head and extended the warranty. The first 2 week stint still cost me 2800 bucks with a warrantied head because either the bad head destroyed the can and lifters or the untrained mechanic at Mcmullen Dodge did. The 2nd trip 3 days later cost another 1400 bucks. Suddenly the right head had a cracked valve. I suspect again the technician messed something up putting a camshaft in and I get to pay for It. It is My opinion that the engines are designed poorly. FAC should also warranty the right head as well. In fact they should completely recall the pentastar engine and replace every one of these pieces of sh*t they have pumped out into the marketplace with an entirely different engine and cease production of this garbage. If you email FAC, you will receive a canned letter and in my case they failed to even cut and paste my name into it correctly. Buyer beware should become the new FAC motto.

- Jim B., Brooklyn, US

problem #1

Feb 062016

Wrangler Unlimited 3.6L V6

  • Automatic transmission
  • 142,147 miles

Well here I go again- In feb. 2016 lifters started ticking (I change oil a lot 3000 to 4000 miles good avg.) It was in the shop for 2 weeks without any thing being done to it because Chrysler want to look at it for any neglect or abuse REALLY! So I was mad I need the jeep. But the lifters were replaced and on the road I was again . Had other problems in march ,in may , in june. In June- had oil change and in 29 days after- lifters started ticking again. So in the shop it goes again. After 2 weeks they were fixed again. I asked WHY in almost 5 months they went bad. I was told that dirt got into my engine. I dont believe that at all. If that was the case then my whole block would be shot. There are MAJOR problems with this engine. But I keep fighting to keep it going it is costing me A lot of money and down time. i Now have 158,000 miles on it . It is a working jeep I do a mail route . Not sure I will ever get another or a least put to Chrysler to the test to make these issues fixed once and for all .HOW I AM NOT SURE YET. So if any one has any way please let me know

- Sherry K., Chelsea, IA, US

Not what you are looking for?