C 1500 Suburban 2WD V8-393 6.5L DSL Turbo VIN S (1996)
Band Apply Servo: Service and Repair
Turbo Hydra-Matic 4L80-E & 4L80-EHD
Front
1. Drain and remove oil pan, then filter and gasket.
2. Remove control valve assembly as described under "Control Valve Assembly, Replace."
Fig.12 Front Servo Assembly
3. Remove front servo piston, piston pin, washer, spring retainer and piston spring, Fig. 12.
4. Reverse procedure to install.
Rear
1. Drain and remove oil pan, then filter and gasket.