Water Pump Installation

Prior to installing the water pump, read the entire procedure. Pay special attention to avoid part damage and to ensure proper sealing.

1. Install the water pump assembly.
   Fig 1: Installing Water Pump

   Courtesy of GENERAL MOTORS CORP.
2. Install the water pump bolts. Finger tighten the bolts.
3. Tighten the water pump bolts.

   Tighten 

   Tighten the bolts to 25 N.m (18 lb ft).

4. Apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent to the water pump drain plug.
5. Install the water pump drain plug, if necessary.

   Tighten 

   Tighten the water pump drain plug to 20 N.m (15 lb ft).

6. Install the water feed tube.
7. Lubricate the feed tube O-ring with silicone gel lubricant GM P/N 12345579 (Canadian P/N 1974984) or equivalent.
8. Install the water feed tube by twisting and pushing toward the water pump. Take care not to tear or damage the O-ring.
9. Install the thermostat housing to block bolts.

   Tighten 

   Tighten the bolts to 10 N.m (89 lb in).

   Fig 2: Installing Water Feed Tube

   Courtesy of GENERAL MOTORS CORP.
10. Install the water pipe support bracket and bolts.

    Tighten 

    Tighten the water pipe support bracket bolts to 10 N.m (89 lb in).

    Fig 3: Installing Water Pipe Support Bracket

    Courtesy of GENERAL MOTORS CORP.
11. Install the engine coolant temperature sensor by hand.
12. Tighten the engine coolant temperature sensor.

    Tighten 

    Tighten the engine coolant temperature sensor to 20 N.m (15 lb ft).

    Fig 4: Installing Engine Coolant Temperature Sensor

    Courtesy of GENERAL MOTORS CORP.