GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2006 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4 Speed-MU4 🢒 First Reverse Brake Removal

    Object Number: 164418 Size: SH
  1. Measure the 1st-reverse brake assembly clearance (1) using a feeler gage (2).
    2. • The 1st-reverse brake assembly clearance should fall within 1.060-2.380 mm (0.0417-0.0937 in).
    • If the 1st-reverse brake assembly clearance is below 1.060 mm (0.0417 in), inspect the 1st-reverse brake assembly components for excessive wear or damage.

    Object Number: 164421 Size: SH
  2. Remove the 1st-reverse brake snap ring (1) from the transaxle case.
  3. Remove the following components from the transaxle case:
    4. • 1st-reverse brake flange
    • Six plates
    • Six discs