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Home >> Chevrolet >> 2005 >> Chevy Express H1500, Van Passenger >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Automatic Transmission - 4L80-E/4L85-E - Introduction & Repair Instructions) >> Repair Instructions >> Torque Converter Clutch (TCC) Valve and Spring Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the transmission oil pan and the oil filter. Refer to Automatic Transmission Fluid/Filter Replacement .
    3. Fig 1: View Of Valve Bore Plug Retainer Ring & Reverse Boost Valve Bushing Retainer Ring
    GM102558Courtesy of GENERAL MOTORS CORP.
    CAUTION: 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).
    4. Fig 2: TCC Valve Assembly
    GM43320Courtesy of GENERAL MOTORS CORP.
  4. Remove the following parts:
    • The valve bore plug
    • The TCC valve
    • The TCC valve spring
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