GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2001
🢒
GMC MD Steel Tilt (W Model)
🢒
Transmission/Transaxle
🢒
Automatic Transmission - 4L80-E
🢒 No Engine Braking - D3
Checks
Cause
Mainshaft (662)
The shaft or the splines are broken.
Bushing (234)
Damaged or worn
