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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1741 (Automatic Transmission - ALLISON - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Low and Reverse Clutch Piston Housing Installation

Low and Reverse Clutch Piston Housing Installation

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Low & Reverse Clutch Housing, Gasket, Main Housing Locating Pin & Pawl Support Pin
    GM1235488Courtesy of GENERAL MOTORS CORP.
    NOTE: Except as noted, a low and reverse clutch housing, 4WD is installed using the same procedures as used when installing a low and reverse clutch housing, 2WD.
  1. Install a new gasket (2) onto the transmission case (3).
  2. For a 2WD transmission, make sure the output shaft turns with the output speed sensor (OSS) reluctor wheel. For a 4WD transmission, install the output shaft bearing spacer.
  3. Align the low and reverse clutch housing with the transmission case locating pin (4) and park pawl pin (5).
  4. Install the low and reverse clutch housing.
  5. For a 2WD transmission, turn the OSS reluctor wheel through the OSS hole to make sure the output shaft turns with the reluctor wheel.
    6. Fig 2: Identifying Low & Reverse Clutch Housing Bolts
    GM1235485Courtesy of GENERAL MOTORS CORP.
  6. Hand install 4 bolts (1).
  7. Evenly draw down bolts (1) until the low and reverse clutch housing seats on the transmission case.
  8. Hand install 12 bolts (2).
    9. CAUTION: Refer to Fastener Caution .
  9. Tighten the bolts (1) and bolts (2) to 56 N.m (41 lb ft).
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