PI 4l80e Converter - Pump Mod

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08-13-2011, 11:56 PM

#11

Bad00silverado

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I know this is an old thread but i did the spring install and now i cant keep fluid from leaking around the front pump seal...if i take spring out it wont leak. if i put it back in it leaks again...its had 2 new seals in one week...ideas?? thanks!

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08-18-2011, 11:52 AM

#12

Bill Reid

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Did you do this drill mod?

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12-01-2013, 08:10 PM

#13

slowmo934

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I did this same mod and I can't keep fluid in the transmission. Fluid pours out the upper vent tube when in gear.

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