GM Service Manual Online
For 1990-2009 cars only

Checks

Causes

Torque Converter (28)

Inspect for damage

Case Assembly (50)

    • Inspect for cracked or broken Case (50)
    • Inspect for porosity or damage on the sealing surfaces
    • Inspect for loose Oil Cooler Line Bolts or damaged Oil Cooler Line Seals
    • Inspect for damaged Manual Shift Shaft Seal (604)
    • Inspect for damaged or worn Axle Seal (65) or Axle Seal Slinger on the axle shafts
    • Inspect for plugged Vent Cap (52)
    • Inspect for loose Pressure Test Plug (51), Drain Plug (64) and Fluid Level Plug (63)
    • Inspect for damaged Park Pawl Actuator Guide Seal (605)
    • Inspect for damaged or worn Input Speed Sensor Seals (19)

Torque Converter Housing Assembly (208)

    • Inspect for damaged Torque Converter Housing Assembly (208)
    • Inspect for porosity or damage on the sealing surfaces
    • Inspect for damaged Torque Converter Housing Seal (23)
    • Inspect for damaged or worn Torque Converter Fluid Seal (301)
    • Inspect for loose Torque Converter and Differential Housing Bolts (26)
    • Inspect for damaged or worn Axle Seal (209) or Axle Seal Slingers on the axle shafts
    • Inspect for loose, missing or damaged Fluid Fill Tube Plug Assembly (27)
    • Inspect for damaged Torque Converter and Differential Housing Seal (202)

Valve Body Cover Assembly (2)

    • Inpsect for damaged or warped Valve Body Cover Assembly (2)
    • Inspect for damaged or improperly installed Valve Body Cover Gasket (3)
    • Inspect for loose Valve Body Cover Bolts (1)
    • Inspect for damaged or improperly installed Wire Connector Hole Seal (5)