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Home >> Isuzu >> 2007 >> Ascender 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 274 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Repair Instructions - On Vehicle >> Control & Shift Solenoids Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 Isuzu Ascender, 2008 GMC Envoy, and 2008 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of 3-2 Control Solenoid & Retainer
    GM298167Courtesy of GENERAL MOTORS CORP.
  1. Install the 3-2 control solenoid.
  2. Install the 3-2 control solenoid retainer.
    3. Fig 2: View Of 1-2 & 2-3 Shift Solenoids & Retainers
    GM298169Courtesy of GENERAL MOTORS CORP.
  3. Install the 1-2 and 2-3 shift solenoids.
  4. Install the 1-2 and 2-3 shift solenoid retainers.
    5. Fig 3: Locating Pressure Control Solenoid & Retainer
    GM298162Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  5. Install the pressure control solenoid.

    Ensure that the electrical tabs are facing outboard.

  6. Install the pressure control solenoid retainer and retaining bolt.

    Tighten:  Tighten the pressure control solenoid retaining bolt to 11 N.m (97 lb in).

    7. Fig 4: Identifying Valve Body Electrical Connections
    GM181573Courtesy of GENERAL MOTORS CORP.
  7. Connect the internal wiring harness electrical connectors to the following components:
    • Transmission fluid pressure switch (1)
    • 1-2 shift control solenoid (2)
    • 2-3 shift control solenoid (3)
    • Pressure control solenoid (4)
    • TCC PWM solenoid (5)
    • 3-2 control solenoid (6)
  8. Install the 1-2 accumulator. Refer to Accumulator Assembly, Spacer Plate, and Gaskets .
  9. Install the transmission oil pan and filter. Refer to Automatic Transmission Fluid and Filter Replacement .
  10. Fill the transmission to the proper level with DEXRON® VI transmission fluid. Refer to Transmission Fluid Check .
    11. 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 engine control module (ECM), powertrain control module (PCM) or transmission control module (TCM) will need to relearn TAP values. Transmission performance may be affected as new TAP values are learned.
  11. Reset the TAP values. Refer to Transmission Adaptive Functions (TCM) .
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