C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Help with 700 r4 leak, experts needed

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Old Jan 9, 2019 | 01:03 PM
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Default Help with 700 r4 leak, experts needed

I have read a bunch of stuff, but my new pan keeps leaking from the front pass corner. Does anyone have an idea where it could be coming from. Is there something I can try tightening while on the car.
I replaced gasket 2x and same look to the leak. Keep in mind my new bolts are 1/4 inch longer for the pan, I wonder if it may be hitting the trans before tight. Going back in later today. I finally did the dipstick tube seal from the top and still have this leak. It leaks after sitting overnight.
One other thing when I had the cover off ,not alot of oil mabey a couple of drops.THX
(I include a ref pic)




Last edited by xrav22; Jan 9, 2019 at 01:08 PM.
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Old Jan 9, 2019 | 08:04 PM
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Just wanted to add the solution/problem to help someone else. 4 bolts were to long, and the front 2 are stripped. So I will heli or see if a larger bolt will fit.
It was error on my part mostly. Nice pan but I didn't realize the depths of the threads in a few places(4) on the 700 r4.
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Old Jan 9, 2019 | 09:46 PM
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That is a beautiful trans pan. Dan
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Old Jan 9, 2019 | 09:59 PM
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It is, I am thinking helicoil shoild work for a 12 ft lbs app, and if I have something more serious I could use time cert. Problem I didn't realize the pump cover was touching my bolts.
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