GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2003 🢒 GMC K Sierra - 4WD (CNG) 🢒 Transmission/Transaxle 🢒 Automatic Transmission - Allison 🢒 Torque Converter Housing with Fluid Pump Assembly Removal

    Notice: Refer to Torque Converter Housing/Low and Reverse Clutch Housing Bolt Size Notice in the Preface section.


    Object Number: 1207590 Size: SH
  1. Remove eighteen bolts (1) one bolt (2) and one bolt (3).

    2. Object Number: 1235377 Size: SH

    Caution: The torque converter housing/oil pump cover assembly dry weights are approximately 27 kg (60 lb). To help avoid personal injury and/or property damage:

       • Use caution when installing, removing, or moving the converter housing/oil pump cover assembly.
       • Get help when lifting the converter housing/oil pump cover assembly.
       • Assistance from a hoist or another person may be required.
       • Make sure lifting equipment can properly support the converter housing/oil pump cover assembly.

  2. Attach a sling to converter housing (1).
  3. Attach a hoist to the sling.
  4. Remove converter housing/front support module (1) from main housing (4) and turbine shaft (2).
  5. Place the converter housing/front support module on the work table.
  6. Remove the sling.
  7. Remove and discard main housing/separator plate gasket (3).