2012 WK GC apparently needs a new trans - AUSJEEPOFFROAD.COM Jeep News Australia and New Zealand


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Old 07-02-2019
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Default 2012 WK GC apparently needs a new trans

Just feel the need to vent, so...

As the title says, according to my Jeep dealer, today, my 2012 GC Limited needs a new trans - had the ESC and SERV 4WD lights come on a couple of times, which reset themselves when I stopped/started the engine, so took it in today for them to have a look at.

They've quoted me $20K for a brand new US original - yeah, like that's going to happen - and around $9-10K for a rebuild, which floored me completely.

Without wishing to swear, I'm kinda f^cking annoyed - apparently there have been leaks in the trans cooler lines - given that the car was last serviced by the same dealer, back in Sept last year, I'm amazed at either the rapid deterioration, the fact I don't have huge pools of fluid everywhere (if it was leaking that badly) and/or the fact that they didn't pick any leaks up.

Going home to have a drink....
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Old 07-02-2019
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Quote:
Originally Posted by kimbo View Post
Just feel the need to vent, so...



As the title says, according to my Jeep dealer, today, my 2012 GC Limited needs a new trans - had the ESC and SERV 4WD lights come on a couple of times, which reset themselves when I stopped/started the engine, so took it in today for them to have a look at.



They've quoted me $20K for a brand new US original - yeah, like that's going to happen - and around $9-10K for a rebuild, which floored me completely.



Without wishing to swear, I'm kinda f^cking annoyed - apparently there have been leaks in the trans cooler lines - given that the car was last serviced by the same dealer, back in Sept last year, I'm amazed at either the rapid deterioration, the fact I don't have huge pools of fluid everywhere (if it was leaking that badly) and/or the fact that they didn't pick any leaks up.



Going home to have a drink....
Geez!. Are those quotes for rebuild directly from a transmission place?

Have a look at thirdparty first, then wreak.

It may be worth offloading it if its just repairable to the point of sale.

I once had a cooler leak which was NOT picked up at a jeep servicing dealer. Was later picked up by another jeep dealer who claimed warranty on it.

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Last edited by imaz; 07-02-2019 at 04:18 PM.
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Old 07-02-2019
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Get it looked at by a Transmission specialist, I wouldnt trust the dealers diagnosis or price to repair. Even the service quotes for transmissions are usually double the price and they donít even flush them properly.
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Old 07-02-2019
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2012 V6 or CRD? That's the 5 speed right?
If so look up
NAG1
722.6
Its a Merc transmission, go to a trans shop that looks after Mercedes.
https://www.allpar.com/mopar/transmi...AG1-WA580.html

But before you spend any more money get the codes so you know its actually the transmission not the transfer case or just a sensor.

BlueDriver is a good app for the phone and https://appcar-diagfca.com/en/ is a good one for a windows based laptop.

Never trust what the dealer says.
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Old 07-02-2019
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I'd definitely get a second opinion before I did anything, dealers have been known to replace a lot of expensive parts before telling you that it didn't fix the problem.
Are you experiencing any other issues with the tranny? Rough changes etc. I would think if your transmission needed replacing there would be a few signs other than just some codes.

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Old 07-02-2019
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Definitely get a second opinion, they are a solid gearbox, used in a lot of Chryslers, Jeeps and Mercs. So sourcing one shouldn't be a problem, but get a good transmission shop to have a look.
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Old 08-02-2019
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I have to echo everyone else here, get a second opinion.

In my experience the only thing Jeep dealer mechanics know how to do is run the scan tool for fault codes and just replace what ever parts are affected by the code.

They donít examine, investigate or actually diagnose issues. As a few have already said, it could just be a faulty sensor.

Get a recommendation from people on this site about a trustworthy, non-dealer mechanic for a second opinion.

As an aside, in fear of something like this happening to me, and what FCA has teamed me for already, I bought an aftermarket warranty last year.


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Old 08-02-2019
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Thanks for the feedback gents.

Yes, as I'm writing this, it's in with a trusted trans specialist getting looked at. So by c.o.b. today I should have a better idea.

According to the "tech specialist" at the Jeep dealership, who I spoke to after I put up the initial post, leaks in the trans cooler lines had apparently drained oil from the trans, caused the pump to fail, etc., etc., etc. Which in some respects, is a totally plausible explanation, but....

As I said before, is that if the leaks were severe enough to drain the trans, SINCE the last service, I'd expect to have seen puddles of trans fluid - which I haven't. And if they weren't that severe, then why weren't they picked up at the last service, in Sept?

And why didn't the trans temp sensor pick something up, so that the problem could be addressed PRIOR to significant damage occurring?

The cars only done about 70K since new, never really been off road, hasn't been used as a tow vehicle, and regularly serviced?

The cynical/conspiracy-theory side of me thinks that something actually was picked up at the last service, BUT, "hey guys, guess what, the extended warranty on this vehicle runs out in two months, so.... "

However, this is just further proof of a decreasing level of quality and service from this particular dealer, over the past 3 services, which I will be addressing directly with FCA once I've got the feedback from my trans guy this afternoon.

Another day another dollar.....
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