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.
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HOMESERVICE MANUALSCHEVROLET2010SILVERADO 1500 2WD V6-4.3LREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTENGINESERVICE AND REPAIROVERHAUL78. WATER PUMP INSTALLATION
2010 Chevrolet Silverado 1500 2WD V6-4.3L
78. Water Pump Installation
2010 Chevrolet Silverado 1500 2WD V6-4.3LSECTION 78. Water Pump Installation
Water Pump Installation
Special Tools
J 41240 - Fan Clutch Remover and Installer
For equivalent regional tools, refer to Special Tools (Special Tools).
1. If reusing the fasteners, apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent, to the threads of the water pump bolts.
2. Install the water pump and the NEW water pump gaskets.
Caution: Refer to Fastener Caution (Fastener Caution).
3. Install the water pump bolts and tighten to 45 Nm (33 lb ft).
Note: 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.
4. Install the water pump inlet hose and the water pump inlet hose clamps.
5. Install the fan and water pump pulley and bolts using the J 41240 - installer. Tighten the fan and water pump pulley bolts to 25 Nm (18 lb ft).
RENDER: 1.0x
NO RELATED
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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.