GM Service Manual Online
For 1990-2009 cars only

Object Number: 1659813  Size: MF

Callout

Component Name

Preliminary Procedures

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the transmission fluid pan and filter. Refer to Automatic Transmission Fluid, Fluid Pan and/or Filter Replacement.
  3. Remove the upper and lower valve body assembly. Refer to Control Valve Lower Body and Upper Body Replacement.
  4. Disconnect the speed sensor electrical connector from the control solenoid valve assembly.

1

Caution: Refer to Fastener Caution in the Preface section.

Input and Output Speed Sensor Assembly Bolt (Qty: 2)

Tighten
12 N·m (106 lb in)

2

Input and Output Speed Sensor Assembly

Tip
After an internal transmission repair or internal part replacement, the Service Fast Learn Adapt procedure should be performed. Refer to Service Fast Learn Adapts.

Tip
Disconnect the speed sensor wiring harness clips. Inspect the clips for damage. Replace if damaged.

3

Control Valve Body Assembly