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Home >> Hummer >> 2007 >> H3 Automatic >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 4L60-E/4L65-E/4L70-E - Removal & Installation, Overhaul, Troubleshooting & Diagnosis >> Repair Instructions - Off Vehicle >> 2-4 Servo Pin Length Check >> Procedure

2-4 Servo Pin Length Check: Procedure

    Fig 1: 2-4 Servo Assembly
    GM5430Courtesy of GENERAL MOTORS CORP.
  1. Disassemble the 2-4 servo assembly. If necessary, refer to 2-4 Servo 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 Servo Pin Selection in order to determine correct pin length.
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