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Discussion Starter #1
I was wondering about pentastar tick, In another post I made I was told to look at the drivers side cylinder head part number.

The only part number I could pull from my head was “3242A” does that mean I have the new and improved head or the old one with the problems?

Did mopar extend the warranty on This part and would I be covered? I have a 2013 with 33k miles on it. Thanks for al replies.
 

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Discussion Starter #2
The part number is 3242A, also I forgot to mention that I don’t believe that I have the issue right now. Another fellow jeeper told me that because of the sound it would be obvious if I had the issue.
 

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I was wondering about pentastar tick, In another post I made I was told to look at the drivers side cylinder head part number.

The only part number I could pull from my head was “3242A” does that mean I have the new and improved head or the old one with the problems?

Did mopar extend the warranty on This part and would I be covered? I have a 2013 with 33k miles on it. Thanks for al replies.
Hey qcecil_,

If you need any assistance finding out if your vehicle is covered under any extended watrranties, just DM us with your VIN!

Jennifer
Jeep Social Care Specialist
 

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Pentastar V6 Head Failure

I wanted to add some very fresh experience to this important thread. I'm also torn because we all love Jeeps (my first was a 1976 CJ-5, then a series of them including Grand Cherokees and finally and now have a 2013 Unlimited Rubicon).

After two recent engine lights on my just over 57,000 Rubicon JKU, I was just informed by dealer that I also need a new left cylinder head, as the #2 cylinder is mis-firing due to it's leaking valve seal (it only cost $165 for that diagnosis....). Indeed, it's a Feb 2013 Mfg'd Wrangler and thus likely has the defective left Pentastar cylinder head you hear so much about.

Sadly, I've been told by the dealer and FCA (Fiat Chrysler America), Mopar, and Jeep than my Jeep is not covered by the X56 Warranty Extension for this problem (refer to Service Bulletin 09-002-14 REV A), and this is a nearly $3400 fix. The head is also on major backorder, so I am out of luck for some time.

It has the defective left cylinder head, the highlighted #2 cylinder which fails leak down test to 40% (spec is 25%), it was produced early in 2013, and X-56 Warranty Extension covers other Pentastar equipped 2012-2013 Wranglers as well as Dodge Journey, Chrysler 200, Dodge Avenger, Charger, 300, Grand Caravan, Durango, and Grand Cherokee, but apparently not Rubicons and not 'Unlimiteds'. Go figure.

I have been on the phone almost daily to try to learn exactly why JKU Rubicons with my defective left cylinder heads are not subject to the X56 warranty extension, and FCA, Mopar, and Jeep Customer Service only says 'because your VIN isn't affected.' Really, just a coincidence I guess. When I ask WHY that would be so and there must be a mistake (more vehicles are affected than their original estimate in X56), there is no answer, nor will a supervisor ever get on the phone, there is no technical help, nor call backs. The dealer told me to be persistent as FCA/Jeep knows this is an issue (see all of the FCA press releases and motor journalism press at the time this was discovered in 2012/2013) but they are so bad and uncaring there, I suspect they are numb from all of the complaints all empathy is gone and nobody at FCA cares about doing the right thing.

In any case, this Jeep has never towed anything, is my wife's daily driver, and I face a $3400 bill on this like-new low mileage JKU that has never been abused or really even stressed in the heat here in Northern California.

At this point, unfortunately I am giving up and can only say I'm one of the many who must rate FCA as the worst quality in the US and the customer service exceeds all expectations for poor 'customer service'. A failed cylinder head on a babied 57,000 Jeep is ridiculous (let alone where the company acknowledges thousands of defective ones, just not mine) and so the X56 warranty extension would have made sense, but not for me. They will not help. Note also I have no dealer-loyalty points (I change my own oil), I bought the Jeep used (I've only owned 6 Jeeps in my life so far, all but 2 new), and the X56 warranty extension isn't a recall so I am out of luck.

And with such a major back-order for Pentastar left cylinder heads, I'm obviously not alone and there are more than the initial 7500 or 1% of engines impacted. But I guess the Rubicon sticker and those 4 doors would never have the defective left side Pentastar head, and mine and it's failed #2 cylinder at such low miles is my wife's fault because she must have overloaded it with too many groceries one day.

As noted, I love Jeeps, but this kind of surprise repair expense is expected on a fancy turbocharged German exotic SUV, not a simple American Jeep and a very high volume low stress V6. Very sad, will be the last FCA product I ever own and I will make sure I stop bragging about how great the Jeep is because the new company behind it does not know how to take responsibility for a problem and do right by a loyal customer.
 

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I wanted to add some very fresh experience to this important thread. I'm also torn because we all love Jeeps (my first was a 1976 CJ-5, then a series of them including Grand Cherokees and finally and now have a 2013 Unlimited Rubicon).

After two recent engine lights on my just over 57,000 Rubicon JKU, I was just informed by dealer that I also need a new left cylinder head, as the #2 cylinder is mis-firing due to it's leaking valve seal (it only cost $165 for that diagnosis....). Indeed, it's a Feb 2013 Mfg'd Wrangler and thus likely has the defective left Pentastar cylinder head you hear so much about.

Sadly, I've been told by the dealer and FCA (Fiat Chrysler America), Mopar, and Jeep than my Jeep is not covered by the X56 Warranty Extension for this problem (refer to Service Bulletin 09-002-14 REV A), and this is a nearly $3400 fix. The head is also on major backorder, so I am out of luck for some time.

It has the defective left cylinder head, the highlighted #2 cylinder which fails leak down test to 40% (spec is 25%), it was produced early in 2013, and X-56 Warranty Extension covers other Pentastar equipped 2012-2013 Wranglers as well as Dodge Journey, Chrysler 200, Dodge Avenger, Charger, 300, Grand Caravan, Durango, and Grand Cherokee, but apparently not Rubicons and not 'Unlimiteds'. Go figure.

I have been on the phone almost daily to try to learn exactly why JKU Rubicons with my defective left cylinder heads are not subject to the X56 warranty extension, and FCA, Mopar, and Jeep Customer Service only says 'because your VIN isn't affected.' Really, just a coincidence I guess. When I ask WHY that would be so and there must be a mistake (more vehicles are affected than their original estimate in X56), there is no answer, nor will a supervisor ever get on the phone, there is no technical help, nor call backs. The dealer told me to be persistent as FCA/Jeep knows this is an issue (see all of the FCA press releases and motor journalism press at the time this was discovered in 2012/2013) but they are so bad and uncaring there, I suspect they are numb from all of the complaints all empathy is gone and nobody at FCA cares about doing the right thing.

In any case, this Jeep has never towed anything, is my wife's daily driver, and I face a $3400 bill on this like-new low mileage JKU that has never been abused or really even stressed in the heat here in Northern California.

At this point, unfortunately I am giving up and can only say I'm one of the many who must rate FCA as the worst quality in the US and the customer service exceeds all expectations for poor 'customer service'. A failed cylinder head on a babied 57,000 Jeep is ridiculous (let alone where the company acknowledges thousands of defective ones, just not mine) and so the X56 warranty extension would have made sense, but not for me. They will not help. Note also I have no dealer-loyalty points (I change my own oil), I bought the Jeep used (I've only owned 6 Jeeps in my life so far, all but 2 new), and the X56 warranty extension isn't a recall so I am out of luck.

And with such a major back-order for Pentastar left cylinder heads, I'm obviously not alone and there are more than the initial 7500 or 1% of engines impacted. But I guess the Rubicon sticker and those 4 doors would never have the defective left side Pentastar head, and mine and it's failed #2 cylinder at such low miles is my wife's fault because she must have overloaded it with too many groceries one day.

As noted, I love Jeeps, but this kind of surprise repair expense is expected on a fancy turbocharged German exotic SUV, not a simple American Jeep and a very high volume low stress V6. Very sad, will be the last FCA product I ever own and I will make sure I stop bragging about how great the Jeep is because the new company behind it does not know how to take responsibility for a problem and do right by a loyal customer.
Welcome to the Forum.
 

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:welcome:to the forum.
Doing an online search and I was able to find the head with the cams for $355, plus $125 core charge. Granted there will be other parts required to complete the job. I'd be willing to bet you can have the job done on the outside from a good local shop for a hell of a lot less than $3,400 should Jeep not cooperate. It is really sad when they clearly know your vehicle is part of the campaign but refuse to acknowledge it.

If you have problems locating it shoot me a PM and I will link you to the head. Good luck!
 

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Welcome Supercheater, the post before your post is from JeepCares and if you have any problems they say to just contact them and they will help you. If what happend to you happened to me I would patch that thing and trade/sell it and not look back. Remember, FCA is in the business of selling new jeeps, not fixing old ones for free. They are not worried about you as a future customer. I like my JKUR but when it's gone there will not be another one.
 

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Thanks very much for both head purchase advice and empathetic thought on your JK.

Agree on not having Jeep do install as well, because this behavior shows they would not stand behind any claimed warranty on their install as well.

It’s never been to dealer for anything but airbag recall
Thus me having no ‘loyalty points’ so one reason FCA won’t help me w/‘Good Will’. Defective head and I need good will?

Agree on no new Jeep either. Here is a kicker: My other vehicle is a 1999 Toyota Landcruiser owned since new. At now 411,836 miles it has never failed, valve covers have never been off. Same motor, tranny, no diff or transfer case repairs, only wear items like water pump, rotors, alternator, and no kidding the leather just wore through on shift knob! Stock except for an ARB lift kit. It has towed a 3500lb boat for now 20 years and run miles and miles into the high desert in incredible heat. Toyota reliability spoils you. But it would be so easy for FCA to keep a customer happy.
 

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On the Jeep, I learned more from the JEEP this week as well. Though my jeep has the known defective cylinder head ( early 2012 mfg), left side, failed leak down/valve for #2 cylinder, it’s a Rubicon ( not a ‘Wrangler’ ) and a 4 door JKU ( so not a JK).

So the valve leaking 40% ( max spec to replace head is 25%) at the seat is not being covered under warranty extension X56, because mine is a 4 door and the Rubicon is the ‘high performance’ model. Give me a break!
 

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Hey qcecil_,

If you need any assistance finding out if your vehicle is covered under any extended watrranties, just DM us with your VIN!

Jennifer
Jeep Social Care Specialist
Hi,

I tried to DM you, but your inbox is full. I would like to find out if my jeep is also covered under this extended warranty. I remember getting a letter years ago about it, but can't seem to find it. Thank you.
 

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On the Jeep, I learned more from the JEEP this week as well. Though my jeep has the known defective cylinder head ( early 2012 mfg), left side, failed leak down/valve for #2 cylinder, it’s a Rubicon ( not a ‘Wrangler’ ) and a 4 door JKU ( so not a JK).

So the valve leaking 40% ( max spec to replace head is 25%) at the seat is not being covered under warranty extension X56, because mine is a 4 door and the Rubicon is the ‘high performance’ model. Give me a break!
4 door, high performance model, really !!!
Isn't that a crock of shit. It's a WRANGLER, they're all built with the same stuff.
2dr, 4dr, what the hell does a little more sheet metal have to do with the shitty parts they used to assemble the engine?
Who told you a Rubicon, isn't a wrangler? I want some of the weed he's smokin'
High performance, that's so funny it's sickening. Your Rubicon is no different than my Sport with lockers. Same junk engine, with a few more niceties on the inside, which is exactly why I didn't want a Rubicon.
I tell you what, I'm not much for suing, but that dealership needs to be sued, and whoever gave you that pathetic line of bull shit needs his ass kicked!!!!

A second rate NYC lawyer, not even a good one, would destroy those morons!!!
 

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Hi,

I tried to DM you, but your inbox is full. I would like to find out if my jeep is also covered under this extended warranty. I remember getting a letter years ago about it, but can't seem to find it. Thank you.
Hi @Wranglerjoe79,

We apologize for this! We have cleared our inbox to make room. Please feel free to send us a private message at any time.

Darlene
Jeep Social Care Specialist
 

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Can Jeep Cares Assist Me?

Darlene,

I'm the Rubicon owner above with the failed #2 Cylinder leak-down and engine light of left cylinder head in his Feb 2013 Pentastar who has been told by Jeep, Mopar, and FCA Customer Service that my VIN isn't covered, because it's the JKU and not a JK and Rubicons don't qualify.

The defective left cylinder heads which fail with low miles in our 4 doors and Rubicons are our problem, and the new head is still on major back order and no estimated time for delivery (which I must pay for as well as the labor to replace anyway for only $3400 if the dealer installs). But I guess it's a fluke in my 4 door Rubicon, those bad heads probably didn't get installed in them and my failure is pure coincidence.

To make matters worse, here in California, if your engine light is on (for any reason), you can not pass SMOG testing, therefore can not re-register so I am soon out of luck while I wait for the back-ordered left head.

Can you assist me and if so, can you tell me how to reach you?

Thanks
 

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Jdinny,

Agree, just pathetic. I must have at least 20 calls into Jeep, FCA and Mopar and have never even been able to have a single technical conversation, not one to understand WHY my defective motor is not covered by the warranty extension for the defective left cylinder head! The company is so big and impersonal, and so non-customer focused nobody will lift a finger to even try to help. And despite commitments for a 24 hour call back, not a single Customer Service person, Supervisor, or Manager has ever called me back, never. They don't understand how/why I'm so pissed when they say 'JKU' and Rubicons are not covered, but can't help to say why or connect me with anyone who can. It's like talking to a wall.

The dealer or anyone at Jeep, FCA, or Mopar can not provide an ETA when a new head will be here (that of course I have to pay for, again, those 4 door Rubicons are not on the X56 Warranty VIN list....).

Such BS. We want to buy a rugged, straightforward basic American vehicle for all of the right reasons and this is what I get. I'll keep everyone posted about how 'Jeep Cares' responds.
 

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did any of you get a resolution for that cylinder head?
Mine is a 2013jku, 60200miles and has cylinder 6 problems (p0306, leakage down 67%) =>needs left cylinder head replaced. Only indications was engine light going on once a month and then going back off after a couple of days.
 

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We just bought a 2012 Jeep Wrangler two door manual transmission from a used car dealership and upon pick up we noticed a ticking noise coming from the driver side which we assume has something to do with this cylinder head. How do you figure out which wranglers were part of this warranty extension?
 

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My 2012 Jeep Wrangler Unlimited (57,100 miles) is covered under the extended warranty for the Pentastar cylinder issue. It's ticking and losing power. No codes....yet. Took it to my local mechanic and he said it was the dreaded 3.6 Pentastar problem (bent rockers) and told me to go to the dealership and sent me out the door with TSB 09-002-14 - Rev.B - 12-15-2014 for warranty repair.

Took my jeep to the dealer with TSB in hand. They just called back with a $2,600 estimate. What the heck??

He said since the cylinder(s) hadn't technically failed, the extended warranty wouldn't cover it.

He said the left side rockers were bent. Estimate included replacements of rockers. gaskets, spark plugs, valve tappets, upper/lower camshafts....but no cylinder replacement. Basically a valve job.
Parts - $740 and Labor $1850

We told him the rockers bent because of the known cylinder issues covered in the TSB. Didn't matter.

Called Chrysler Customer Care - 800-992-1997 - explained the problem. She called the dealership. She repeated what the dealership said...but...agreed with our assessment. She agreed that it was "silly" to pay for a repair that will fail later. However, she couldn't force the dealership to make the warranty repair, they had to stand by the dealership diagnostics. I asked her if I was expected to drive it until it completely fails, there was a long pause, then she apologized that she couldn't advise me.

Basically, we are supposed to pay for something that will fail again because the main problem (cylinder) wasn't replaced...and by the time everything fails again, the warranty will have most likely expired.

Any suggestions would be appreciated!
 

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So it cover the head failing, which will affect the rockers or vice versa. However, any work associated with either will not be covered until one of the heads is loosing compression indicating a failed head AA or AB and then be replaced with the AC head and fix rocker/lifter issues if any. Is this correct?? LOL

Yes, my jeep, JKUR 2012 134k miles has the ticking

the Service bulletin then may apply if the oBD 2 reader puts out the codes P300,302,304,306 or an abnormal piston pressure? or in other words "This bulletin involves checking for excessive cylinder leakage and replacing the cylinder
head if necessary." correct?

By obd 2 does not show any of those codes
 
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