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- - Transmission Help Part II (https://67-72chevytrucks.com/vboard/showthread.php?t=180193)

Eyegore

11-15-2005 08:48 PM

Transmission Help Part II

OK, I replace the modulator and checked the vaccum hoses but still cannot get 2 or 3rd, reverse works and 1st. This is the 400th in my sons 78 3/4 ton, any more advice would be appreciated, thanks again.

Tom

87 GMC

11-15-2005 09:07 PM

Re: Transmission Help Part II

Ok, I bought my 87 for $200 because of this problem, anyway the only way to fix it is to rebuild it.

86 GMG

11-16-2005 10:12 AM

Re: Transmission Help Part II

im no tranny guy but i have heard people talk about a gov. in a tranny can do wierd things i dont know but you didnt say anything about that? just tring to help good luck

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