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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 >> Case Cover Components Disassemble (Without Touch Activated Power) >> Disassembly Procedure

Disassembly Procedure

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    Fig 1: Locating 3-4 Accumulator Piston Components
    GM330198Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Do not remove any of the bore plugs unless inspection indicates that replacement is necessary.
  1. Remove the manual valve (404).
  2. Remove the 3-4 accumulator piston cylinder (421) and the 3-4 accumulator piston O-ring seal (422). Use low pressure compressed air from the valve body side if necessary for removal.
  3. Remove the 3-4 accumulator piston outer spring (423) and inner spring (424).
  4. Remove the 3-4 accumulator piston (428).
  5. Remove the 3-4 accumulator piston pin (426) from the valve body side of the case cover (401).
    6. Fig 2: Identifying 3-4 Accumulator Piston Pin, Valve Body & Case Cover
    GM400527Courtesy of GENERAL MOTORS CORP.
    CAUTION: Valve Springs can be tightly compressed. Use care when removing retainers and plugs. Personal injury could result.
  6. Remove the actuator feed limit valve spring retainer (416).
  7. Remove the actuator feed limit valve spring (415).
  8. Remove the actuator feed limit valve (414).
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