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1991 GMC S15 Jimmy SLE 4.3L Upshifting
Posted to GM Transmission on 10/22/2002 6 Replies

When cold you have to take the RPM's to approx. 2500 before it will shift for each forward gear. When it shifts it shifts firm. Applies good when shifted to drive or reverse from park. Once warmed up it doesn't shift bad at all until you stop, shut it off and ...

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  Related Documents & Media  1991 GMC S15 Jimmy SLE

 
Message Closed w/FIX

car Vehicle Data

1991 GMC S15 Jimmy SLE

VIN 1GKCS13Z9M
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
AffectedUpshifting
ConditionsLate
Message Closed w/FIX

car Vehicle Data

1991 GMC S15 Jimmy SLE

VIN 1GKCS13Z9M
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
AffectedUpshifting
ConditionsLate