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1986 Chev/GMC Truck S10 Blazer 2.8L No Upshift
Posted to GM Transmission on 5/12/2000 1 Reply

hello all. i overhauled this 700r4 for a friend and all was well... the other day he called and said it would not shift. it wiil go in reverse and 1st (drive position) but will not upshift. i am not real familiar with this unit and any help would be appreciate...

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car Vehicle Data

1986 Chev/GMC Truck S10 Blazer

VIN [No VIN Available]
Engine2.8 L / 6 cyl
AffectedNo Upshift
ConditionsNo Upshift
Misc.700R4 Trans.
Message Closed

car Vehicle Data

1986 Chev/GMC Truck S10 Blazer

VIN [No VIN Available]
Engine2.8 L / 6 cyl
AffectedNo Upshift
ConditionsNo Upshift
Misc.700R4 Trans.