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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 >> Torque Converter Clutch Valve and Spring 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: TCC Valve Assembly
    GM43320Courtesy of GENERAL MOTORS CORP.
    IMPORTANT:
    • Clean and inspect the TCC solenoid O-ring for cuts, nicks, and damage. Replace if necessary.
    • Inspect the TCC bore for sediment and debris. Flush the bore if necessary.
    • Clean and inspect the TCC valve for binding, scoring, and damage.
    • Inspect the TCC spring for cracks and deformed or broken coils.
  1. Install the following parts:
    • The TCC valve spring
    • The TCC valve
    • The valve bore plug
    2. Fig 2: View Of Valve Bore Plug Retainer Ring & Reverse Boost Valve Bushing Retainer Ring
    GM102558Courtesy of GENERAL MOTORS CORP.
  2. Install the TCC valve retainer ring (1).
  3. Install the TCC control solenoid.
  4. Install the TCC control solenoid retaining bolts.

    Tighten:  Tighten the bolts to 8-14 N.m (71-124 lb in).

    5. Fig 3: View Of TCC Solenoid & Wiring Harness
    GM71463Courtesy of GENERAL MOTORS CORP.
  5. Connect the TCC control solenoid connector.
  6. Install the TCC PWM solenoid.
  7. Install the TCC PWM solenoid retainer.
    8. Fig 4: View Of TCC PWM Solenoid & Retainer
    GM298154Courtesy of GENERAL MOTORS CORP.
  8. Connect the TCC PWM Solenoid electrical connector.
  9. Install the transmission filter. Refer to Automatic Transmission Fluid and Filter Replacement .
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