GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Sierra Denali 🢒 Transmission 🢒 Automatic Transmission - Allison 🢒 Input Carrier Assembly Inspection

    Object Number: 1217378 Size: SH
  1. Check the end play between the input carrier (1) and the thrust washer (2) at each pinion gear (3).
  2. Replace the input carrier assembly if the end play exceeds specifications.

    3. Specification
    Replace the input carrier assembly if the end play exceeds 1.01 mm (0.040 in).


    Object Number: 1217379 Size: SH
  3. Inspect the bushing for wear or damage.
  4. Measure the ID of the bushing.
  5. Replace the bushing if the ID exceeds specification.

    6. Specification
    The bushing maximum ID is 50.69 mm (1.9957 in).