Thread: Trans pan drop question

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  1. #1 Trans pan drop question 
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    I dropped the Trans pan and changed the filter and gasket. It leaked so I got a fel pro OE style gasket. It still leaks.. Ugh. Is it new pan time? I torqued the pan Cris cross and gradual to 120 in lbs. from the center out. 04 GP N/A 135K mi. Anybody have the exact torque sequence? It's a 20 bolt pan.
    Thank you all very much!
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  2. #2 Re: Trans pan drop question 
    Donating Users GMR Badass's Avatar
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    Re-use the original gasket if it looked good when you took it off. Other than that you've done the right things so far.....only thing to add would be to make sure that the mating surfaces where the gasket goes on both pan and trans itself is absolutely spotless.
    1999 GTP 2dr - Whipple 537whp.....for now
    1998 GTP 4dr - ST2, Cartuning PT61, IC - SOLD
    1999 GTP 2dr - SIX, GenV, Headers, TEP Trans, E85 - SOLD
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  3. #3 Re: Trans pan drop question 
    I live here. brandonl2000's Avatar
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    what he said ^^

    stock gasket is soooo much better. and is reusable
    2003 Grand Prix GTP-3.5 setup, sold it, miss it
    2002 Grand Prix GT-top swap, GT1 Cam, SD Headers, 90# springs, 42.5 injectors, 3.4 pulley - sold
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  4. #4 Re: Trans pan drop question 
    I live here. 02NavyBlue's Avatar
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    Also make sure the pan isn't bent a bit if you let it hang by too few bolts when draining. I used an aftermarket gasket and torqued less than spec and it's dry as a bone. I also used a gasket scraper and got the surfaces very clean. The pan usually gets corrosion build-up on the mating surface.

    2006 Grand Prix GT S/C 109k - Modded Transgo Shift Kit, Gutted Airbox, Dash Cam, and Inlays. Retros soon to come.
    2002 Grand Prix GT N/A 127k - Same as 06 Plus: Trans Cooler, DIY Aux Input, LED lighting, Suspension Upgrades, Tint, Retrofits.
    Sold.
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  5. #5 Re: Trans pan drop question 
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    The pan being a little bent is the only thing I can think of. I got a new one and I'll try again this weekend. I'll let you know how it goes.
    Thanks again..
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  6. #6 Re: Trans pan drop question 
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    Okay I put the new pan on and no leaks! I think my torque wrench was off and I over tightened it. The old pan was dimpled at the holes making it leak between bolts. Thanks guys!
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  7. #7 Re: Trans pan drop question 
    I live here. 02NavyBlue's Avatar
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    Glad you could fix it.

    Btw if you double post, you can click edit, then go advanced, and at the top left there's an option for deleting the post.
    2006 Grand Prix GT S/C 109k - Modded Transgo Shift Kit, Gutted Airbox, Dash Cam, and Inlays. Retros soon to come.
    2002 Grand Prix GT N/A 127k - Same as 06 Plus: Trans Cooler, DIY Aux Input, LED lighting, Suspension Upgrades, Tint, Retrofits.
    Sold.
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