GM Service Manual Online
For 1990-2009 cars only

Checks

Action

Fluid filter assembly (26)

Inspect filter for clog, loose, or improperly sealing. Replace the fluid filter assembly (26). Refer to Fluid Filter Removal .

Fluid pump assembly (23)

Inspect for internal damage - causing low or no pressure at the discharge port and low cooler flow. Replace the transmission fluid pump assembly (23). Refer to Transmission Fluid Pump Removal .

Fluid pump bolts (19, 20)

Inspect for loose or stripped bolts securing the fluid pump to the case. Tighten or replace the bolts (19, 20). Refer to Transmission Fluid Pump Removal .