GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2009
🢒
Sierra - 4WD
🢒
Transmission
🢒
Automatic Transmission - Allison
🢒 Input Sun Gear Thrust Washer Inspection
Measure the thickness of the 1-2-3-4, 4-5-6 clutch thrust washer (1) at dimension A.
Specification
The thrust washer minimum thickness is 2.59 mm (0.102 in).
Replace the thrust washer if the specifications are not met.