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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Introduction (2 Of 2)) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Output Shaft, Reaction Gear, Low/Rev Clutch Removal >> Tools Required

Tools Required

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.

J 29837-A  Output Shaft Support Fixture. See Special Tools .

    Fig 1: Identifying Reaction Sun Gear & Thrust Washer
    GM190441Courtesy of GENERAL MOTORS CORP.
  1. Remove the reaction sun gear (673) and the thrust washer (674).
  2. Fig 2: Removing Low And Reverse Support Retainer Ring
    GM4181Courtesy of GENERAL MOTORS CORP.
  3. Remove the low and reverse support retainer ring (676).
  4. Fig 3: Identifying J 29837-A
    GM588767Courtesy of GENERAL MOTORS CORP.
  5. Remove the J 29837-A  . See Special Tools .
  6. Fig 4: View Of Low And Reverse Clutch Support
    GM588774Courtesy of GENERAL MOTORS CORP.
  7. Push on the output shaft (687) in order to loosen the low and reverse clutch support (679).
  8. Remove the low and reverse clutch support (679).
  9. Fig 5: Locating Output Shaft
    GM588780Courtesy of GENERAL MOTORS CORP.
  10. Remove the output shaft (687).
  11. Fig 6: View Of Low And Reverse Clutch Support Retainer Spring
    GM4183Courtesy of GENERAL MOTORS CORP.
  12. Remove the low and reverse clutch support retainer spring (680).
  13. Fig 7: Identifying Reaction Carrier Assembly
    GM190447Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The reaction carrier assembly (681) can be a 4 or 5 pinion design depending on the transmission model.
  14. Remove the reaction carrier assembly (681).
  15. Fig 8: Locating Low And Reverse Clutch Components
    GM190450Courtesy of GENERAL MOTORS CORP.
  16. Remove the following components:
    1. The low and reverse clutch fiber plate assembly (682C)
    2. The low and reverse clutch steel plates (682D)
    3. The low and reverse clutch selective plate (682B)
    4. The low and reverse clutch waved plate (682A)
  17. Fig 9: View Of Reaction Carrier/Support Thrust Bearing Assembly
    GM190451Courtesy of GENERAL MOTORS CORP.
  18. Remove the following components:
    1. The thrust bearing assembly (reaction carrier support) (683)
    2. The internal reaction gear (684) and the internal reaction gear support (685)
    3. The reaction gear support bearing (692)