1997 CHEVROLET EXPRESS 3500, 4L80-E
By: Daniel Armer On: 02/13/10
Vehicle
1997 CHEVROLET EXPRESS 3500, 4L80-E
Vehicle Information
Problem Information
2nd gear no upshift
works good cold
band steels,direct
slips when hot. iss code 0756 b solenoid code. O/h unit . worked good until hot.
Problem
2nd gear start and no upshift after its hot.
Problem Fix
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