Thread: Trans Leaking When running and driving

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  1. #1 Trans Leaking When running and driving 
    SE Level Member GXDEMON's Avatar
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    So i am trading my truck for a beautiful GXP in blue green crystal and the guy says the only problem with it is that the transmission leaks on the top somewhere when its running and driving, anyone know what it could be?
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  2. #2 Re: Trans Leaking When running and driving 
    GrandPrix Junkie
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    Sounds like a blown channel plate gasket. I know this happened on the V6 GP's, not sure how prevalent it is on the GXP.
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  3. #3 Re: Trans Leaking When running and driving 
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    It could also be the the vent cover is gone
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  4. #4 Re: Trans Leaking When running and driving 
    SE Level Member GXDEMON's Avatar
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    What do you mean by the vent cover being gone? Would a cracked case cause this/ its driveable but you gotta keep adding fluid. when he first said that i thought a cooler line first. is there any common leak spot on these?
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  5. #5 Re: Trans Leaking When running and driving 
    Turbo is the way to go. BillBoost37's Avatar
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    The only common leaks would be lines, broken weld on dipstick tube or pan gasket. Sounds like you are finding something different. Take a look and see where it's leaking. If it's tough to see, clean it down and then check it.

    Not sure how the vent cover missing would leak fluid as the only reason it should have fluid that high would be if it was overfilled.
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  6. #6 Re: Trans Leaking When running and driving 
    SE Level Member GXDEMON's Avatar
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    Pretty sure its a bad torque converter seal. would that cause it to leak while the car is running/
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  7. #7 Re: Trans Leaking When running and driving 
    Turbo is the way to go. BillBoost37's Avatar
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    It can yes.
    I drink..so consider that when reading my posts.

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  8. #8 Re: Trans Leaking When running and driving 
    SE Level Member GXDEMON's Avatar
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    ok. im hopefully getting that done soon. wish it wasnt such a pain to replace a 20 dollar seal lmao. cant fix that till i get the body work done. some moron backed into me
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  9. #9 Re: Trans Leaking When running and driving 
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    Quote Originally Posted by GXDEMON View Post
    ok. im hopefully getting that done soon. wish it wasnt such a pain to replace a 20 dollar seal lmao. cant fix that till i get the body work done. some moron backed into me
    I have an 08 gxp leaking when running. I read a tsb about reverse cervo o-ring leaking I replaced it thought I had the problem solved than started leaking again. What did you ever find out with yours?
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