GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2004 🢒 GMC C Sierra - 2WD 🢒 Transmission/Transaxle 🢒 Automatic Transmission - Allison 🢒 Input Sun Gear Thrust Washer Inspection

Inspection Procedure

    Object Number: 1217149 Size: SH
  1. Measure the thickness of the input sun gear thrust washer (1) at dimension A.

    2. Specification
    The input sun gear thrust washer minimum thickness is 2.59 mm (0.102 in).

  2. Replace the thrust washer if the specifications are not met.