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Home >> Cadillac >> 2009 >> Escalade Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 209 (Automatic Transmission - 4L60-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Repair Instructions - Off Vehicle >> 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 2009 GMC Yukon and 2009 Chevrolet Tahoe. 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. Remove the apply pin retaining ring (24), the servo apply pin washer (23), the servo apply pin spring (22) and the 2nd apply piston pin (13).
    2. Fig 2: Locating Servo Cover Retaining Ring
    GM7756Courtesy of GENERAL MOTORS CORP.
  2. Install the band apply pin (13) and the J 33037:  pin gage (1).
  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:  pin gage.
  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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