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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1159 (Manual Transmission - AISIN AY6) >> Repair Instructions - On Vehicle >> Mainshaft Rear Oil Seal Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Vehicle Speed Sensor Drive Gear, Spacer, Locking Ball & Main Shaft Bearing Oil Slinger
    GM1413895Courtesy of GENERAL MOTORS CORP.
  1. Install a NEW rear output shaft rear bearing spacer (191).
  2. Fig 2: View Of Extension Housing & Bolts
    GM1413894Courtesy of GENERAL MOTORS CORP.
  3. Install the rear extension housing (86). Refer to Transmission Assemble .
  4. Fig 3: View of Case Seal, Drive Flange, Seal & Nut
    GM1979731Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Install the seal onto the tool before installing into the case to prevent damage to the seal.
  5. Using J 44765  install the new transmission case extension seal (1). See Special Tools .
  6. Install the drive flange (2) to the transmission output shaft.
  7. Install a NEW drive flange fluid seal (3).
  8. Install a NEW drive flange nut (4) until finger tight.