GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 Sierra Denali 🢒 Transmission/Transaxle 🢒 Automatic Transmission - Allison 🢒 Fiber 4-5-6 Clutch Plate Inspection

    Object Number: 1660854 Size: SH

    Important: 

       • Measure as described below at a minimum of 3 locations.
       • Replace any 4-5-6 clutch fiber plate that does not meet specifications.

  1. Measure the thickness of each 4-5-6 clutch fiber plate (1) at dimension A.

    2. Specification
    The 4-5-6 clutch fiber plate minimum thickness is 2.375 mm (0.0935 in).

  2. Measure the 4-5-6 clutch fiber plate oil groove depth of each plate at dimension B.

    3. Specification
    The 4-5-6 clutch fiber plate minimum groove depth is 0.200 mm (0.0079 in).