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Home >> Hummer >> 2008 >> H3 Luxury, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 23 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Off-Vehicle Repair Information >> 2-4 Band Servo Piston Pin Length Check >> Check

2-4 Band Servo Piston Pin Length Check: Check

WARNING: This page is about a different car, the 2008 Isuzu i-370, 2008 Isuzu i-290, 2008 GMC Canyon, and 2008 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: 2-4 Servo Assembly
    GM5430Courtesy of GENERAL MOTORS CORP.
  1. Disassemble the 2-4 servo assembly. If necessary, refer to 2-4 Band Servo 2nd Apply Piston Disassemble .
    2. Fig 2: Locating Servo Cover Retaining Ring
    GM7756Courtesy of GENERAL MOTORS CORP.
  2. Install the band apply pin (13) and the J 33037  (1). See Special Tools .
  3. Install the servo cover retaining ring (29) to secure the tool.
    4. Fig 3: Identifying Gage Slot
    GM7757Courtesy of GENERAL MOTORS CORP.
  4. Apply 11 N.m (98 lb in) torque. If the white line appears in the gage slot (1), the pin length is correct.
  5. If a new pin is needed, refer to 2-4 Band Servo Piston Pin Selection in order to determine correct pin length.


    Fig 1: Locating Servo Cover Retaining Ring
    GM7756Courtesy of GENERAL MOTORS CORP.
  1. Install the band apply pin (13) and the J 33037  . See Special Tools .
  2. Install the servo cover retaining ring (29) to secure the tool.
    3. Fig 2: Identifying Gage Slot
    GM7757Courtesy of GENERAL MOTORS CORP.
  3. Apply 11 N.m (98 lb in) torque. If the white line appears in the gage slot (1), the pin length is correct.
  4. If a new pin is needed, refer to 2-4 Band Servo Piston Pin Selection in order to determine the correct pin length.
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