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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 21 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> On-Vehicle Repair Instructions >> 2-4 Servo >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of 2-4 Servo
    GM642523Courtesy of GENERAL MOTORS CORP.
  1. Install the new seals on the pistons and the servo cover.
  2. Lubricate the seals with clean transmission fluid.
  3. Install the 2-4 servo assembly into the 2-4 servo bore.
  4. Install the servo cover and O-ring seal.
  5. Install the J 29714-A  . See Special Tools .
    6. Fig 2: Compressing The Servo Cover Using J 29714-A
    GM14478Courtesy of GENERAL MOTORS CORP.
  6. Tighten the bolt on the J 29714-A  in order to compress the servo cover. See Special Tools .
  7. Install the servo cover retaining ring.
  8. Remove the J 29714-A  from the oil pan flange. See Special Tools .
    9. NOTE: Refer to Fastener Notice .
  9. Install the oil pan bolt.

    Tighten:  Tighten the oil pan bolt to 11 N.m (97 lb in).

  10. Install the 2 heat shield retaining bolts and the heat shield from the transmission.

    Tighten:  Tighten the bolts to 17 N.m (13 lb ft).

  11. Lower the vehicle.
  12. Fill the transmission to the proper level with approved fluid.
    13. IMPORTANT: It is recommended that transmission adaptive pressure (TAP) information be reset.
    Resetting the TAP values using a scan tool will erase all learned values in all cells. As a result, The ECM, PCM or TCM will need to relearn TAP values. Transmission performance may be affected as new TAP values are learned.
  13. Reset the TAP values. Refer to Transmission Adaptive Functions .
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