GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2004
🢒
GMC C Sierra - 2WD
🢒
Transmission/Transaxle
🢒
Automatic Transmission - 4L80-E/4L85-E
🢒 Manual 2-1 Band Servo Assembly Removal
Remove the manual 2-1 band servo assembly (55-58).
Remove the servo piston cushion spring (60).
Inspect the servo piston cushion spring (60) for distortion.
Inspect the servo piston case bore for wear and scoring.