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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1739 (Automatic Transmission - ALLISON - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> 2-6 Clutch Piston Removal

2-6 Clutch Piston Removal

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    Fig 1: Locating 2-6 Clutch Annulus Holes
    GM1660837Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The preferred method of dislodging the 2-6 clutch piston is with compressed air. If compressed air is not available, remove the 2-6 clutch piston assembly using pliers. If compressed air is used, note the following. Use a 9.5 mm (3/8 in) rubber hose on the air connection to reach into the 2-6 clutch annulus port. When shooting air into the annulus port, ensure that the rubber hose covers both of the 2-6 clutch annulus port holes.
  1. Position the rubber hose so that the hose covers both 2-6 clutch annulus holes (1).
    2. Fig 2: Locating Clutch Piston Assembly
    GM1216957Courtesy of GENERAL MOTORS CORP.
  2. Shoot air into the 2-6 clutch annulus port until the 2-6 clutch piston assembly (1) is dislodged.
  3. Remove the 2-6 clutch piston assembly (1).
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