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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) >> On-Vehicle Repair Information >> 2-4 Servo >> Installation Procedure

Installation Procedure

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.
  1. Assemble the 2-4 servo if previously disassembled. Refer to 2-4 Servo Assembly Installation .
  2. Lightly lubricate the seals with clean transmission fluid.
  3. Install new seals on the servo pistons and the servo cover.
    4. Fig 1: View Of 2-4 Servo
    GM642523Courtesy of GENERAL MOTORS CORP.
  4. Install the 2-4 servo assembly into the transmission.
  5. Install the J 29714-A  to the transmission oil pan flange. See Special Tools .
    6. Fig 2: Compressing The Servo Cover Using J 29714-A
    GM14478Courtesy of GENERAL MOTORS CORP.
  6. Tighten the bolt in order to compress the servo cover.
  7. Install the servo cover retaining ring.
  8. Remove the J 29714-A  . 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 front propeller shaft (4WD only). Refer to Front Propeller Shaft Replacement .
  11. Lower the vehicle.
  12. Fill the transmission to the proper level with DEXRON® VI transmission fluid. Refer to Transmission Fluid Check .
    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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