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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 246 (Automatic Transaxle - 4T65-E - Overhaul) >> Repair Instructions >> Control Valve Body Assembly Removal >> Removal Procedure

Removal Procedure

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    Fig 1: Installing Valve Body Bolts
    GM840845Courtesy of GENERAL MOTORS CORP.
  1. Remove the indicated control valve body bolts (374-381, 384).
  2. Fig 2: Removing/Installing Transmission Fluid Pressure (TFP) Manual Valve
    GM840847Courtesy of GENERAL MOTORS CORP.
  3. Carefully lift the fluid pressure manual valve position switch assembly (395) off of the control valve body (300). Handle the switch assembly carefully, it is very delicate.
  4. Fig 3: Identifying Control Valve Body Assembly Components
    GM768829Courtesy of GENERAL MOTORS CORP.
  5. Remove the control valve body assembly (300).
  6. Remove the two retainers (368) from the valve body assembly.
  7. IMPORTANT: The bonded spacer plate gasket assembly is not re-useable and should be replaced any time it is removed from the transmission.
  8. Remove the spacer plate and gasket assembly (396) and discard with the two screen/seal assemblies (382) from the valve body (300).
    • Remove the six ball check valves (372, 373) from the valve body (300).
    • Remove the case cover pin (410).
  9. Fig 4: Locating Ball Check Valves In Case Cover
    GM48229Courtesy of GENERAL MOTORS CORP.
  10. Remove the four ball check valves (372) from the case cover (400).