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Home >> Hummer >> 2008 >> H3 Adventure, Automatic >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 4L60-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> Off-Vehicle Repair Instructions >> Oil Pump Stator Shaft Bushing Replacement >> Removal Procedure

Removal Procedure

    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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