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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 >> Low and Reverse Clutch Support Installation

Low and Reverse Clutch Support Installation

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.
    Fig 1: Checking Low And Reverse Roller Clutch Race Rotation
    GM5481Courtesy of GENERAL MOTORS CORP.
  1. Install the low and reverse roller clutch race (675). Simultaneously, turn and insert the race.
  2. Rotate the race in order to verify proper operation. The race should only rotate in one direction.
    3. Fig 2: View Of Low And Reverse Clutch Support Retainer Spring
    GM4183Courtesy of GENERAL MOTORS CORP.
  3. Install the low and reverse clutch support retainer spring (680) into the case.
    4. Fig 3: Aligning Wide Case Lug With Wide Low And Reverse Clutch Support Notch
    GM5483Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Align the wide low and reverse clutch support notch with the wide case lug.
  4. Install the low and reverse clutch support (679), roller clutch and roller clutch race (675) assembly into the case. Position the hub side down during the installation.
    5. Fig 4: Removing Low And Reverse Support Retainer Ring
    GM4181Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Align the opening of the low and reverse clutch support retainer ring (676) with the low and reverse clutch support retainer spring (680). It is important that the low and reverse clutch support retainer ring opening is centered around the retainer spring. This will allow the retainer ring to fully seat in all of the transmission case lugs. If the retainer ring lays up against the retainer spring, the retainer ring will not fully seat. Possible damage to the transmission case lugs can occur if the low and reverse clutch support retainer ring is not fully seated in the transmission case lug.
  5. Install the low and reverse support retainer ring (676) into the case.
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