Installation 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.
- Install a NEW O-ring seal onto the coolant pipe.
- Lubricate the O-ring seal with engine coolant.
- Install the engine coolant pipe.
- Install the water pump. Refer to Water Pump Replacement (6.6L (LLY)) .