Repair Procedures
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Repair or replace the automatic transmission cooler or lines as necessary. Refer to Transmission Fluid Cooler Hose/Pipe Replacement .