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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 >> Forward Band Servo Components Disassemble >> Disassembly Procedure

Disassembly Procedure

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    Fig 1: Identifying Servo Piston & Components
    GM678332Courtesy of GENERAL MOTORS CORP.
  1. Disassemble the servo piston return spring (22) from the forward band servo assembly.
  2. Remove the servo piston oil seal ring (18) from the servo piston (16).
  3. Using a small screwdriver, remove the servo pin retaining ring (15) from the servo piston apply pin (21).
  4. Disassemble the servo piston (16), the servo piston cushion inner spring (65), the servo piston cushion outer spring (19), the servo cushion spring retainer (20) and the servo piston apply pin (21).
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