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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 - Off Vehicle >> Oil Pump Stator Shaft Bushing Replacement >> Removal Procedure

Removal 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: Locating Pump Cover, Check Valve Retainer, Ball Assemblies & Cup Plugs
    GM1552956Courtesy of GENERAL MOTORS CORP.
  1. Inspect the pump cover, all check valve retainer and ball assemblies (237), cup plugs (235, 236) and orificed cup plugs (238, 240).
    2. Fig 2: View Of Pump Cover
    GM1552957Courtesy of GENERAL MOTORS CORP.
  2. Inspect the pump cover for the following conditions:
    • Worn or damaged bushings
    • Foreign material or debris
    • Porosity
    • Scored or irregular mating faces
    • Cross channel leaks
    3. Fig 3: Identifying Special Tools J 21465-15, J 7004-A & Stator Shaft Front Bushing
    GM1552958Courtesy of GENERAL MOTORS CORP.
  3. Using the J 21465-15  (1) with the J 7004-A  (2), remove the stator shaft front bushing (234). See Special Tools .
    4. Fig 4: Identifying Special Tools J 21465-14, J 7004-A & Stator Shaft Rear Bushing
    GM1552959Courtesy of GENERAL MOTORS CORP.
  4. Using the J 25019-14  (2) with the J 7004-A  (1), remove the stator shaft rear bushing (241). See Special Tools .
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