I recently found antifreeze running off the front of my motor and it looks like the water pump. I've changed water pumps before just not on an 8.1.
Sep 13, 2012 at 4:58 PM
change a water pump
2002 CHEVROLET SILVERADO
CHEVY_MAN2002
- MEMBER
- 1 POST
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ASEMASTER6371
- ✓ASE Certified Mechanic
- 52,796 POSTS
Drain the cooling system.
Remove the drive belt.
Remove the fan clutch.
Reposition the outlet hose clamp at the water pump.
Remove the outlet hose from the water pump.
Reposition the bypass hose clamps at the water pump and water crossover.
Remove the bypass hose.
Remove the water pump bolts.
Remove the water pump.
Remove and discard the water pump gaskets.
Installation Procedure
Place NEW water pump gaskets into place.
Install the water pump.
Notice: Refer to Fastener Notice in Service Precautions.
Install the water pump bolts.
Tighten the water pump bolts to 50 Nm (37 ft. lbs.) .
Install the bypass hose.
Position the bypass hose clamps at the water pump and water crossover.
Install the outlet hose to the water pump.
Position the outlet hose clamp at the water pump.
Install the fan clutch.
Install the drive belt.
Fill the cooling system.
Remove the drive belt.
Remove the fan clutch.
Reposition the outlet hose clamp at the water pump.
Remove the outlet hose from the water pump.
Reposition the bypass hose clamps at the water pump and water crossover.
Remove the bypass hose.
Remove the water pump bolts.
Remove the water pump.
Remove and discard the water pump gaskets.
Installation Procedure
Place NEW water pump gaskets into place.
Install the water pump.
Notice: Refer to Fastener Notice in Service Precautions.
Install the water pump bolts.
Tighten the water pump bolts to 50 Nm (37 ft. lbs.) .
Install the bypass hose.
Position the bypass hose clamps at the water pump and water crossover.
Install the outlet hose to the water pump.
Position the outlet hose clamp at the water pump.
Install the fan clutch.
Install the drive belt.
Fill the cooling system.
Dec 5, 2019 at 12:07 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.