GM Service Manual Online
For 1990-2009 cars only

Object Number: 1629920  Size: MF
  1. Inspect the control solenoid (w/body and TCM) valve assembly connectors and pins (2, 3, 4) for the following conditions:
  2. • Damage
    • Bent pins
    • Debris
    • Broken retaining tab
    • Contamination
  3. Ensure no metallic debris is inside the connectors near the terminal pins.
  4. Inspect the control solenoid (w/body and TCM) valve assembly solenoid leads (1) for contamination or metallic debris.
  5. Inspect the 4 control solenoid (w/body and TCM) valve assembly filter plate retaining tabs (5) for cracks and ensure proper tension when filter plate is attached.