Operation CHARM
: Car repair manuals for everyone.
Home
>>
GMC Truck
>>
1986
>>
C 3500 Truck 2WD V6-262 4.3L
>>
Repair and Diagnosis
>>
Transmission and Drivetrain
>>
Automatic Transmission/Transaxle
>>
Shift Modulator
>>
Service and Repair
Shift Modulator: Service and Repair
1. Remove modulator attaching screw and retainer.
2. Remove modulator assembly from case and discard O-ring seal.
3. Remove modulator valve from case.
4. Reverse procedure to install, using a new O-ring seal.