GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2002
🢒
GMC C-Series Medium Duty Truck B7
🢒
Transmission/Transaxle
🢒
Automatic Transmission - Allison
🢒 1-2-3-4, 4-5 Clutch Housing Assembly Installation
Tools Required
•
J 36850
Transjel® Lubricant
•
J 44587
Main Shaft Holder
Position the transmission case so that the front of the case is facing up.
Remove 2 bolts (2) from
J 44587
(1).
Remove
J 44587
from the power take-off (PTO) access.
Apply
J 36850
or equivalent lubricant to the thrust bearing assembly (1).
Notice:
Installing the thrust bearing incorrectly may cause permanent damage to the transmission.
Align the thrust bearing (1) so that the blue stripe on the thrust bearing is facing towards the input carrier assembly.
Install the thrust bearing (1) into the input carrier assembly.
Install the 1-2-3-4, 4-5 clutch assembly (1).
Rotate the clutch assembly until the assembly seats.
Make sure one of the following is visible through the turbine speed sensor hole in the transmission case:
•
The teeth of the PTO gear
•
The teeth of the turbine tone wheel