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  1. #1
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    Default 2015 Grand Cherokee Overland gearbox leak

    Not sure if anyone has experienced this problem. My gearbox is leaking and apparently all seals and gearbox sump need to be replaced. This is coming to R25k.

    I have the Titanium AA warranty and it won't cover this repair as it is seals and not a component failure. Painful but true. See the seals comment on attached.

    Has anyone else had this issue ?
    Click image for larger version. 

Name:	Screenshot_20240611_152013_Samsung%20Notes.jpg 
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ID:	724249
    Deez2016 Jeep Grand Cherokee 3.6 Overland2007 Pajero 3.2 DiD GLS2007 BMW M325i 2007 Mitsubishi Colt Rodeo 2.8 TDi (DC) 4x4

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    Default Re: 2015 Grand Cherokee Overland gearbox leak

    Leave it leaking until all the oil is out.
    You will then have a component failure.
    Now you are eligible to claim from the warranty.

    During the component failure repair they will also replace the seals and oil.

    Win

  3. #3
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    Default Re: 2015 Grand Cherokee Overland gearbox leak

    Who quoted you 25K to replace the seals? The dealer?

    You not rebuilding the box. Should be much less.
    2007 Jeep Grand Cherokee 3.0 CRD Overland - GDE Eco Tune + 2" Lift on 265/70/17 BFG KO2's
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    Default Re: 2015 Grand Cherokee Overland gearbox leak

    Quote Originally Posted by Quiksilver View Post
    Who quoted you 25K to replace the seals? The dealer?

    You not rebuilding the box. Should be much less.
    No Mayfair gearbox Pinetown
    Deez2016 Jeep Grand Cherokee 3.6 Overland2007 Pajero 3.2 DiD GLS2007 BMW M325i 2007 Mitsubishi Colt Rodeo 2.8 TDi (DC) 4x4

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    Default Re: 2015 Grand Cherokee Overland gearbox leak

    Quote Originally Posted by Tiaan Pot View Post
    Leave it leaking until all the oil is out.
    You will then have a component failure.
    Now you are eligible to claim from the warranty.

    During the component failure repair they will also replace the seals and oil.

    Win
    A proper gearbox repair might be much more than R25K though... and they might claim negligence and deny the claim.
    2007 Jeep Grand Cherokee 3.0 CRD Overland - GDE Eco Tune + 2" Lift on 265/70/17 BFG KO2's
    2017 Venter Savuti + Tentco Jnr, Dometic CF50 Fridge + Ecoflow River Pro and 120W solar panel.
    --
    Ex - 2005 Cherokee CRD

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    Default Re: 2015 Grand Cherokee Overland gearbox leak

    Also, are you sure its not the oil cooler leaking. Fairly common issue and has a upgraded after market part for the 3,6.

    Trips down the V of the engine and comes out at the top of the gearbox so can be hard to diagnose.
    2007 Jeep Grand Cherokee 3.0 CRD Overland - GDE Eco Tune + 2" Lift on 265/70/17 BFG KO2's
    2017 Venter Savuti + Tentco Jnr, Dometic CF50 Fridge + Ecoflow River Pro and 120W solar panel.
    --
    Ex - 2005 Cherokee CRD

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    Default Re: 2015 Grand Cherokee Overland gearbox leak

    We did a gearbox sump gasket for a client with a 2014 3.6 V6 and it was R2100 incl labour. OEM Jeep part.

    Part nr 52854760AA
    Last edited by Kix; 2024/06/11 at 05:34 PM.
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    Default Re: 2015 Grand Cherokee Overland gearbox leak

    Who gave you that quote of I may ask? Worth it to contact ZF if you haven't done so already
    2012 Jeep Wrangler JKUR -- Sold (I'll be back )
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    Default Re: 2015 Grand Cherokee Overland gearbox leak

    Quote Originally Posted by Kix View Post
    We did a gearbox sump gasket for a client with a 2014 3.6 V6 and it was R2100 incl labour. OEM Jeep part.

    Part nr 52854760AA
    Did you use the same sump ? I am been told that the sump cover has to be replaced along with seals, etc
    Deez2016 Jeep Grand Cherokee 3.6 Overland2007 Pajero 3.2 DiD GLS2007 BMW M325i 2007 Mitsubishi Colt Rodeo 2.8 TDi (DC) 4x4

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    Default Re: 2015 Grand Cherokee Overland gearbox leak

    Quote Originally Posted by Quiksilver View Post
    Also, are you sure its not the oil cooler leaking. Fairly common issue and has a upgraded after market part for the 3,6.

    Trips down the V of the engine and comes out at the top of the gearbox so can be hard to diagnose.
    Not sure. Thanks for this. I got the info from the gearbox place but can take it for a 2nd opinion
    Deez2016 Jeep Grand Cherokee 3.6 Overland2007 Pajero 3.2 DiD GLS2007 BMW M325i 2007 Mitsubishi Colt Rodeo 2.8 TDi (DC) 4x4

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    Default Re: 2015 Grand Cherokee Overland gearbox leak

    Quote Originally Posted by Quiksilver View Post
    Also, are you sure its not the oil cooler leaking. Fairly common issue and has a upgraded after market part for the 3,6.

    Trips down the V of the engine and comes out at the top of the gearbox so can be hard to diagnose.
    The transmission cooler is integrated into the condenser, you will clearly see the oil stain on the face of the condenser with a flashlight.



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  13. #12
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    Default Re: 2015 Grand Cherokee Overland gearbox leak

    Quote Originally Posted by Quiksilver View Post
    Also, are you sure its not the oil cooler leaking. Fairly common issue and has a upgraded after market part for the 3,6.

    Trips down the V of the engine and comes out at the top of the gearbox so can be hard to diagnose.
    Took it for a second opinion and this seems to be it. It's a plastic unit.
    Not sure if it is this and another leak. Have to fix this first and then check if more.
    Apparently good chance of warping/breaking when removing to change gaskets. To replace is R9500 from agents
    Deez2016 Jeep Grand Cherokee 3.6 Overland2007 Pajero 3.2 DiD GLS2007 BMW M325i 2007 Mitsubishi Colt Rodeo 2.8 TDi (DC) 4x4

  14. #13
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    Default Re: 2015 Grand Cherokee Overland gearbox leak

    Quote Originally Posted by DEEZ View Post
    Took it for a second opinion and this seems to be it. It's a plastic unit.
    Not sure if it is this and another leak. Have to fix this first and then check if more.
    Apparently good chance of warping/breaking when removing to change gaskets. To replace is R9500 from agents
    R 9500 for spares that is.
    Deez2016 Jeep Grand Cherokee 3.6 Overland2007 Pajero 3.2 DiD GLS2007 BMW M325i 2007 Mitsubishi Colt Rodeo 2.8 TDi (DC) 4x4

  15. #14
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    Default Re: 2015 Grand Cherokee Overland gearbox leak

    Quote Originally Posted by DEEZ View Post
    Took it for a second opinion and this seems to be it. It's a plastic unit.
    Not sure if it is this and another leak. Have to fix this first and then check if more.
    Apparently good chance of warping/breaking when removing to change gaskets. To replace is R9500 from agents
    OK, please read here. There is an upgraded part. Probably worth changing the oil pressure sensor and another sensor while you in there.

    https://www.4x4community.co.za/forum...-Version/page5


    https://www.amazon.com/Dorman-926-95...itle_auto?th=1
    Last edited by Quiksilver; 2024/06/18 at 12:51 PM.
    2007 Jeep Grand Cherokee 3.0 CRD Overland - GDE Eco Tune + 2" Lift on 265/70/17 BFG KO2's
    2017 Venter Savuti + Tentco Jnr, Dometic CF50 Fridge + Ecoflow River Pro and 120W solar panel.
    --
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  17. #15
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    Default Re: 2015 Grand Cherokee Overland gearbox leak

    Quote Originally Posted by Quiksilver View Post
    A proper gearbox repair might be much more than R25K though... and they might claim negligence and deny the claim.
    This is true especially as the claim was logged. I only have 128k on the clock and been off road a handful of times.
    Deez2016 Jeep Grand Cherokee 3.6 Overland2007 Pajero 3.2 DiD GLS2007 BMW M325i 2007 Mitsubishi Colt Rodeo 2.8 TDi (DC) 4x4

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    Default Re: 2015 Grand Cherokee Overland gearbox leak

    Thank you Alwyn, I actually haven't considered that. I have to say I'm more wary of a software upgrade, mine's a 2018 model and I've heard or read somewhere that it can bugger up some aspects of the functionality. I'll look a bit on the Stelvio forum.


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    Default Re: 2015 Grand Cherokee Overland gearbox leak

    Quote Originally Posted by DEEZ View Post
    Not sure if anyone has experienced this problem. My gearbox is leaking and apparently all seals and gearbox sump need to be replaced. This is coming to R25k.

    I have the Titanium AA warranty and it won't cover this repair as it is seals and not a component failure. Painful but true. See the seals comment on attached.

    Has anyone else had this issue ?
    Click image for larger version. 

Name:	Screenshot_20240611_152013_Samsung%20Notes.jpg 
Views:	80 
Size:	96.3 KB 
ID:	724249
    Good morning,

    Could you provide more info please?

    Where is the leak originating from? Have you de-greased the area and attempted to check after a good drive?

    I would suggest start there, most likely its only the sump gasket, but that also does not make sense as these gearboxes are "lifetime" and would not be opened by the dealer unless leaking.
    I suspect that someone that is not the dealer attempted an oil change (gearbox) on the Jeep and either reused the old gasket or did not tighten the bolts correctly. (Ysters lieg nie )

    I would do this myself if I were you...

    Transmission oil pan
    Click image for larger version. 

Name:	oil pan.PNG 
Views:	23 
Size:	152.8 KB 
ID:	724659
    And the VICTOR REINZ 711917000 at rock auto dot com $12

    Hope this helps!



    GLC - GoodLuckCrypto

    2014 Jeep Grand Cherokee 5.7 V8 Overland (Current)
    2011 Jeep Grand Cherokee 5.7 V8 Overland (Current)
    2003 Mazda 626 2.0 (Sold)
    1995 Opel Astra 2.0TS Saloon (Sold) (No standard 2litre turbo car can ever compare or even come close in my opinion)
    2002 Nissan Primera 2.0SR P11-144 (Sold)
    2008 Opel Corsa Lite 1.4i (Write off at 15000KM)
    2003 Opel Corsa Lite 1.4i TnT Branch and freeflow, 2liter throttle body, bmw 7 series injectors, 272 billet cam, piggyback racing chip, daewoo 16v head, dyno'd (Sold - Regret selling her)

  20. #18
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    Default Re: 2015 Grand Cherokee Overland gearbox leak

    Quote Originally Posted by GLC View Post
    Good morning,

    Could you provide more info please?

    Where is the leak originating from? Have you de-greased the area and attempted to check after a good drive?

    I would suggest start there, most likely its only the sump gasket, but that also does not make sense as these gearboxes are "lifetime" and would not be opened by the dealer unless leaking.
    I suspect that someone that is not the dealer attempted an oil change (gearbox) on the Jeep and either reused the old gasket or did not tighten the bolts correctly. (Ysters lieg nie )

    I would do this myself if I were you...

    Transmission oil pan
    Click image for larger version. 

Name:	oil pan.PNG 
Views:	23 
Size:	152.8 KB 
ID:	724659
    And the VICTOR REINZ 711917000 at rock auto dot com $12

    Hope this helps!
    With the emphasis on the quotes around "lifetime", because it sure as hell ain't
    2012 Jeep Wrangler JKUR -- Sold (I'll be back )
    2015 Jeep Grand Cherokee Overland 5.7 Hemi

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    GLC

  22. #19
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    Default Re: 2015 Grand Cherokee Overland gearbox leak

    Quote Originally Posted by GLC View Post
    Good morning,

    Could you provide more info please?

    Where is the leak originating from? Have you de-greased the area and attempted to check after a good drive?

    I would suggest start there, most likely its only the sump gasket, but that also does not make sense as these gearboxes are "lifetime" and would not be opened by the dealer unless leaking.
    I suspect that someone that is not the dealer attempted an oil change (gearbox) on the Jeep and either reused the old gasket or did not tighten the bolts correctly. (Ysters lieg nie )

    I would do this myself if I were you...

    Transmission oil pan
    Click image for larger version. 

Name:	oil pan.PNG 
Views:	23 
Size:	152.8 KB 
ID:	724659
    And the VICTOR REINZ 711917000 at rock auto dot com $12

    Hope this helps!
    I will try. Not mechanically binded except on basics and using info given from people assessing the vehicle.

    Oil cooler needs to be tackled first. Will then clean the area and reassess if more leaks. I am hoping not.
    Deez2016 Jeep Grand Cherokee 3.6 Overland2007 Pajero 3.2 DiD GLS2007 BMW M325i 2007 Mitsubishi Colt Rodeo 2.8 TDi (DC) 4x4

  23. #20
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    Default Re: 2015 Grand Cherokee Overland gearbox leak

    Thanks, but that doesn't sound like something that I should attempt in my garage, one would need a lift for that. And, I doubt it's the oil level as I've not leaked any oil, she's dry underneath and have always been except for the engine oil leak on the turbo oil line. I'll investigate the software upgrade, or else get her to the specialist. Might be that running her in Dynamic mode and banging up and down the gears did something


    Alfa Romeo Stelvio - Bellissimo!
    Grand Cherokee 5.7L V8 (sold)
    Alfa Romeo MiTo Quadrifoglio Verde (sold but still near to me)
    JKU Rubicon Pentastar (sold )
    JKU CRD (sold)
    XJ 4liter (sold )

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