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1999 Chevrolet K1500 Suburban 5.7L Hard Shift When Warm
Posted to GM Transmission on 7/5/2011 20 Replies

When pulling my 17ft boat on a hot day on flat ground, after about an hours drive the transmission start to shift hard, with a clunk, when i stop for half an hour is goes away and only does it on days warmer than 80 degree's. I assume this is 'HEAT RELATED'?? ...

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  Related Documents & Media  1999 Chevrolet K1500 Suburban

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet K1500 Suburban

VIN 1GNFK16R3X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedHard Shift When Warm
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet K1500 Suburban

VIN 1GNFK16R3X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedHard Shift When Warm