Installation Procedure

WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Installing Water Pump Bolts (L61)

Courtesy of GENERAL MOTORS CORP.

NOTE: 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.

NOTE: A guide pin can be created to aid in water pump alignment. Use a M 6 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 front and rear water pump bolts.

CAUTION: Refer to Fastener Caution .

Install the inner water pump sprocket bolts. After two bolts are snug, remove the guide pin and install the 3rd bolt.
- Tighten the front and rear water pump bolts to 25 N.m (18 lb ft).
- Tighten the water pump sprocket bolts to 10 N.m (89 lb in).

Fig 2: Identifying Water Pump Sprocket & Holding Tool

Courtesy of GENERAL MOTORS CORP.

Remove the J 43651 (1).

Fig 3: Removing & Installing Water Pump Access Plate (L61)

Courtesy of GENERAL MOTORS CORP.

Install the water pump access plate and bolts, with a NEW seal and tighten the bolts to 10 N.m (89 lb in).

Fig 4: Thermostat Housing And Water Feed Pipe

Courtesy of GENERAL MOTORS CORP.

Install the radiator outlet pipe to the rear of the water pump and the thermostat housing using new O rings.
Install the thermostat housing. Refer to Engine Coolant Thermostat Housing Replacement (LNF) .
Install the right engine splash shield. refer to Engine Splash Shield Replacement - Right Side .
Lower the vehicle.
Refill the coolant system to specifications and inspect for leaks. Refer to Cooling System Draining and Filling (Static Fill LNF) or Cooling System Draining and Filling (GE 47716 Fill) .