Service Parts & Warranty Information
SERVICE PARTS INFORMATION:
The "Easy Shift" package consists of the following parts. Parts must be ordered individually.
Required Parts
Part Quantity Figure 1 Group A Group B
Number Description Required Reference Trucks Trucks
15635347 Front case half 1 45 X
15637215 Sector W/shaft 1 55 X X
15637217 Mode shift fork 1 54 X X
15633556 Poppet plunger 1 70 X
15633557 Poppet spring 1 71 X
15633558 Plug 1 68 X
14071849 O-ring 2 69 & 47 X X
15581915 Vent Pipe 1 N/S X
14095609 Input seal 1 42 X
14037958 Retainer 1 66 X X
14095598 Range sector seal 1 67 X X
15579788 Output front seal 1 72 X
15642511 Adapter gasket 1 N/S X X
15579803 Drive Sprocket 1 20 * *
14071703 Synchronizer 1 28 * *
Blocking Ring
* These parts required only if damaged or in cases of customer complaint of clash when shifting from 2Hi to 4Hi.
Parts are currently available from GMSPO.
WARRANTY INFORMATION:
For vehicles repaired under warranty use:
Labor Labor
Operation Truck Time
T7251 Group A 3.2 hr.
T7261 Group B 2.8 hr.
NOTE: Labor Operation is coded to base vehicle coverage in the warranty system.