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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 237 (Automatic Transmission - 4L80-E/4L85-E (Service & Replacement)) >> Repair Instructions >> Torque Converter Clutch (TCC) Valve and Spring Replacement >> Removal Procedure

Removal Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise the vehicle.
  2. Remove the transmission oil pan and the oil filter. Refer to Automatic Transmission Fluid/Filter Replacement .
    WARNING: Valve springs can be tightly compressed. Use care when removing retainers and plugs. Personal injury could result.
  3. Remove the valve bore plug retainer ring (1).
    Fig 1: Removing Valve Bore Plug Retainer Ring
    G02424508Courtesy of GENERAL MOTORS CORP.
  4. Remove the following parts:
    • The valve bore plug
    • The TCC valve
    • The TCC valve spring
    Fig 2: Removing Valve Bore Plug, TCC Valve & TCC Valve Spring
    G02424509Courtesy of GENERAL MOTORS CORP.
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