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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 779 (Automatic Transaxle Service, Removal & Installation -- 4T65-E) >> Repair Instructions >> Control Valve Body Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the case side cover. Refer to CASE SIDE COVER REPLACEMENT  .
  2. Remove the oil pump. Refer to OIL PUMP REPLACEMENT  .
  3. Remove the valve body bolts (374-381, 384).
    Fig 1: Removing Valve Body Bolts
    G01531446Courtesy of GENERAL MOTORS CORP.
  4. Remove the valve body (300) while keeping the spacer plate (370) with the transaxle.
    Fig 2: Removing Valve Body While Keeping Spacer Plate With Transaxle
    G01531447Courtesy of GENERAL MOTORS CORP.
  5. Remove the ball check valves (372, 373) from the valve body.
    Fig 3: Removing Ball Check Valves From Valve Body
    G01531448Courtesy of GENERAL MOTORS CORP.
  6. Remove the spacer plate (370) and gasket.
    Fig 4: Removing Spacer Plate And Gasket
    G01531449Courtesy of GENERAL MOTORS CORP.
  7. Remove the ball check valves (372) from the case cover.
    Fig 5: Removing Ball Check Valves From Case Cover
    G01531450Courtesy of GENERAL MOTORS CORP.
  8. Inspect each check valve seat in the spacer plate (370) for excessive peening. Place a ball check valve (372) on each seat and use a flashlight in order to look for visible light between the valve and the seat.
  9. Inspect all components removed from the transaxle. Refer to TRANSFER CASE - STEYR .
    Fig 6: Inspecting Check Valve Seat In Spacer Plate For Excessive Peening
    G01531451Courtesy of GENERAL MOTORS CORP.
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