GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2006 🢒 Chevrolet W-Series Commercial W4 (W3500/W4500) 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L80-E/4L85-E 🢒 4th Clutch Assembly Disassemble

Tools Required

    • J 38882 Fourth Clutch Spring and Retainer Assembly Adapter
    • J 23327 Clutch Spring Compressor
    • J 38731-3 Fourth Clutch Piston and Housing Seal Spacer

    Object Number: 335050 Size: SH
  1. Remove the fourth clutch backing plate retainer ring (523).

    2. Object Number: 335051 Size: SH
  2. Remove the fourth clutch backing plate (524).
  3. Remove the fourth clutch plates (525, 526).

    4. Object Number: 335052 Size: SH
  4. Place the fourth clutch housing (529) onto the J 38731-3 .
  5. Using the J 38882 and the J 23327 , compress the fourth clutch spring assembly (532).
  6. Remove the fourth clutch spring retainer ring (533).
  7. Remove the J 38882 and the J 23327 .
  8. Remove the fourth clutch spring assembly (532).

    9. Object Number: 335053 Size: SH
  9. Remove the fourth clutch piston (528).
  10. Remove the fourth clutch piston inner seal (527).
  11. Remove the fourth clutch piston outer seal (531) from the fourth clutch housing (529).
  12. Inspect the fourth clutch orifice (530).

    13. Orifice Specification
    The small hole in the orifice should be open approximately 0.51 mm (0.020 in).