Cobalt L4-2.4L VIN B (2006)
Water Pump: Specifications
Water Pump Bolts
Important: Prior to installing the water pump, read the entire procedure. This will help avoid balance shaft chain re-timing and ensure proper sealing.
Install a NEW water pump O-ring seal.
Important: A guide pin can be created to aid in water pump alignment. Use a M6 m x 6 mm stud. Thread the pin into the water pump sprocket.
Using the guide pin, align the pin with the water pump holding tool.
Position the water pump against the engine block and hand tighten the water pump bolts.
Install the inner water pump sprocket bolts. After 2 are snug, remove the guide pin and install the 3rd bolt.
Tighten the water pump bolts to ......................................................................................................................................................... 25 Nm (18 ft. lbs.).
Water Pump Access Cover Bolt .............................................................................................................................................................. 7 Nm (62 inch lbs.)
Water Pump/Balance Shaft Chain Tensioner Bolt ................................................................................................................................ 10 Nm (89 inch lbs.)
Water Pump Sprocket Bolt .................................................................................................................................................................... 10 Nm (89 inch lbs.)
