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Home >> Pontiac >> 2003 >> Aztek FWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle Diagnosis, Service & Repair - 4T65-E >> Repair Instructions >> Control Valve Body Replacement >> Removal Procedure

Removal Procedure

  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 Control Valve Body (1 Of 6)
    G01502006Courtesy of GENERAL MOTORS CORP.
  4. Remove the valve body (300) while keeping the spacer plate (370) with the transaxle.
    Fig 2: Removing Control Valve Body (2 Of 6)
    G01502007Courtesy of GENERAL MOTORS CORP.
  5. Remove the ball check valves (372, 373) from the valve body.
    Fig 3: Removing Control Valve Body (3 Of 6)
    G01502008Courtesy of GENERAL MOTORS CORP.
  6. Remove the spacer plate (370) and gasket.
    Fig 4: Removing Control Valve Body (4 Of 6)
    G01502009Courtesy of GENERAL MOTORS CORP.
  7. Remove the ball check valves (372) from the case cover.
    Fig 5: Removing Control Valve Body (5 Of 6)
    G01502010Courtesy 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 the Transmission/Transaxle/Transfer Case Unit Repair Manual.
    Fig 6: Removing Control Valve Body (6 Of 6)
    G01502011Courtesy of GENERAL MOTORS CORP.
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