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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 133 (Automatic Transmission - 4L80-E/4L85-E - Introduction (2 Of 2)) >> Repair Instructions >> Repair Instructions - On Vehicle >> Torque Converter Clutch Valve and Spring Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 GMC Yukon XL and 2007 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.
    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.
  1. Remove the transmission filter. Refer to Automatic Transmission Fluid and Filter Replacement .
  2. Remove the valve bore plug retainer ring (1).
    3. Fig 2: TCC Valve Assembly
    GM43320Courtesy of GENERAL MOTORS CORP.
  3. Remove the following parts:
    • The valve bore plug
    • The TCC valve
    • The TCC valve spring
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