Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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.
- Install the water pump assembly.
- Install the water pump bolts. Finger tighten the bolts.
- Tighten the water pump bolts.
Tighten
Tighten the bolts to 25 N.m (18 lb ft).
- Install the water feed tube.
- Lubricate the feed tube O-Ring with silicone gel lubricant GM P/N 12345579 (Canadian P/N 1974984) or equivalent.
- Install the water feed tube by twisting and pushing toward the water pump. Take care not to tear or damage the O-Ring.
- Install the thermostat housing to block bolts.
Tighten
Tighten the bolts to 10 N.m (89 lb in).
- Install the water pipe support bracket and bolts.
Tighten
Tighten the bolts to 10 N.m (89 lb in).
- Install the engine coolant temperature sensor by hand.
- Tighten the engine coolant temperature sensor.
Tighten
Tighten the engine coolant temperature sensor to 20 N.m (15 lb ft).
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.