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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 133 (Automatic Transmission - 4L80-E/4L85-E - Introduction (2 Of 2)) >> Repair Instructions >> Repair Instructions - Off Vehicle >> Forward Clutch Assembly Assemble

Forward Clutch Assembly Assemble

WARNING: This page is about a different car, the 2007 GMC Yukon XL and 2007 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required

    Fig 1: Installing J 21362-1 On Forward Clutch Housing Assembly Hub
    GM54653Courtesy of GENERAL MOTORS CORP.
  1. Lubricate the seal on the forward clutch piston assembly (606) with DEXRON®VI transmission fluid.
  2. Lubricate the forward clutch piston intermediate seal assembly (685) with DEXRON®VI transmission fluid.
  3. Install the J 21362-1  over the hub of the forward clutch housing assembly (602). See Special Tools .
  4. Place the forward clutch piston assembly (606) inside the J 38732-1  and insert the assembly into the forward clutch housing assembly (602). See Special Tools .
  5. Push down on and slightly rotate the forward clutch piston assembly (606) until it is seated.
  6. Remove the tools.
  7. Fig 2: Compressing Forward Clutch Spring Assembly With J 23327 & J 25018-A
    GM31075Courtesy of GENERAL MOTORS CORP.
  8. Install the forward clutch spring assembly (607).
  9. Using the J 23327  and the J 25018-A  , compress the forward clutch spring assembly (607). See Special Tools .
  10. Install the forward clutch spring retainer ring (608).
  11. Remove the tools.
  12. Fig 3: Installing Forward Clutch Plates
    GM54657Courtesy of GENERAL MOTORS CORP.
  13. Dip the forward clutch plates in DEXRON®VI transmission fluid.
  14. Install the forward clutch (waved) plate (609) into the forward clutch housing assembly (602).
  15. IMPORTANT: Alternate the clutch plates, starting with the steel clutch plate (5 steel and 5 composite).
  16. Install the steel and composite forward clutch plates (610, 611).
  17. IMPORTANT: The forward clutch hub, forward clutch housing thrust washer and the direct clutch housing thrust washer should not be installed at this time. This allows easier access in order to perform the forward clutch piston travel check.
  18. Install the direct clutch hub (615).
  19. Install the direct clutch hub retainer ring (616).