Circuit/System Testing
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect the transmission cooling system for restrictions or damage, inducing any auxiliary cooler if equipped.
- Perform the Transmission Fluid Cooler Flushing and Flow Test
to verify proper transmission oil cooler flow.
- If a concern is found, repair or replace the damaged components as necessary.
- Perform the Line Pressure Check
to verify proper transmission line pressure.
- If a concern is found repair or replace the damaged components as necessary.