Removal Procedure
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the water pump. Refer to Water Pump Replacement (6.6L (LLY)) .
- Remove the engine coolant pipe.
- Remove and discard the coolant pipe O-ring seal.