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
Tools Required
J 41240 Fan Clutch Remover and Installer
- If reusing the fasteners, apply sealant GM P/N United States 12346004, GM P/N Canada 10953480, or equivalent, to the threads of the water pump bolts.
- Install the water pump and the NEW water pump gaskets.
- Install the water pump bolts. Tighten the water pump bolts to 45 N.m (33 Lb ft).
Important: After final assembly, the water pump inlet hose clamp tangs, water pump end, must point forward and the upper tang should be level with the outside diameter of the water pump inlet hose.
- Install the water pump inlet hose and the water pump inlet hose clamps.
- Install the fan and water pump pulley and bolts using the J 41240 . Tighten the fan and water pump pulley bolts to 25 N.m (18 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.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.