GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Sierra Denali 🢒 Transmission 🢒 Automatic Transmission - Allison 🢒 Low and Reverse Clutch Backing Plate Inspection

    Object Number: 1217716 Size: SH

    Important: Perform the following measurements at 3 or more locations.

  1. Measure the thickness of each low and reverse clutch backing plate (1) at dimension A.

    2. Specification
    The low and reverse clutch backing plate minimum thickness is 17.900 mm (0.7047 in).

  2. Measure the cone of the low and reverse clutch backing plate (1).
  3. Replace the low and reverse clutch backing plate (1) if any cone is present.