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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 132 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Introduction (2 Of 2)) >> Repair Instructions >> Repair Instructions - On Vehicle >> Control and Shift Solenoids Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of 3-2 Control Solenoid & 3-2 Control Valve
    GM405083Courtesy of GENERAL MOTORS CORP.
  1. Install the 3-2 control solenoid (394) and the 3-2 control solenoid retainer (395).
    2. Fig 2: View Of 2-3 Shift Solenoid & 2-3 Shift Valve
    GM405074Courtesy of GENERAL MOTORS CORP.
  2. Install the 2-3 shift solenoid (367A) and the 2-3 shift solenoid retainer (395).
    3. Fig 3: View Of 1-2 Shift Solenoid & Retainer
    GM405071Courtesy of GENERAL MOTORS CORP.
  3. Install the 1-2 shift solenoid (367A) and the 1-2 shift solenoid retainer (395).
    4. Fig 4: View Of Pressure Control Solenoid & Components
    GM1239566Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: When installing the pressure control solenoid, the electrical connector (2) must be in the position shown.
  4. Install the pressure control solenoid (377).
    5. NOTE: Refer to Fastener Notice .
  5. Install the pressure control solenoid retainer (378) and retainer bolt (364A).

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

    6. Fig 5: Identifying Valve Body Electrical Connections
    GM181573Courtesy of GENERAL MOTORS CORP.
  6. 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)
  7. Install the 1-2 accumulator, if necessary. Refer to Accumulator Assembly, Spacer Plate, and Gaskets .
  8. Install the transmission filter. Refer to Automatic Transmission Fluid and Filter Replacement .
    9. 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.
  9. Reset the TAP values. Refer to Transmission Adaptive Functions (TCM) .
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