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.

Fig 1: Water Pump Sprocket And Bolts
Courtesy of GENERAL MOTORS COMPANY
CAUTION:

Refer to Fastener Caution .

NOTE:

Use a suitable size hex key as shown to hold the sprocket.

1. If necessary, install the water pump sprocket (2) and bolts (1).
2. Tighten the bolts to 10 N.m (89 lb in).
Fig 2: Water Pump Assembly
Courtesy of GENERAL MOTORS COMPANY
3. Install the water pump assembly (1).
4. Install the water pump bolts. Finger tighten the bolts.
5. Tighten the water pump bolts to 25 N.m (18 lb ft).
6. Apply sealant to the water pump drain plug. Refer to Adhesives, Fluids, Lubricants, and Sealers .
7. Install the water pump drain plug, if necessary. Tighten to 20 N.m (15 lb ft).
Fig 3: Water Feed Tube And Thermostat Housing
Courtesy of GENERAL MOTORS COMPANY
8. Install the water feed tube (1).
9. Lubricate the feed tube O-ring with antifreeze.
10. Install the water feed tube by twisting and pushing toward the water pump. Take care not to tear or damage the O-ring.
11. Install the thermostat housing (2) to block bolts and stud and tighten to 10 N.m (89 lb in).
Fig 4: Engine Coolant Temperature Sensor
Courtesy of GENERAL MOTORS COMPANY
12. Install the engine coolant temperature sensor (1) by hand.
13. Tighten the engine coolant temperature sensor and tighten to 20 N.m (15 lb ft).