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.

SYS.OK|MANUAL.DB● LIVE

HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 316 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSWATER PUMP REPLACEMENT (8.1L ENGINE)REMOVAL PROCEDURE

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2

Removal Procedure

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Removal Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Drain the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM
Remove the drive belt. Refer to DRIVE BELT REPLACEMENT -- ACCESSORY in Engine Mechanical - 8.1 L.
Remove the fan clutch. Refer to FAN CLUTCH REPLACEMENT .
Position the outlet hose clamp at the water pump.
Remove the outlet hose from the water pump.

Fig 1: Removing Outlet Hose From Water Pump
Courtesy of GENERAL MOTORS CORP.
Position the bypass hose clamps at the water pump and water crossover.
Remove the bypass hose.

Fig 2: Removing Bypass Hose
Courtesy of GENERAL MOTORS CORP.
Remove the water pump bolts.
Remove the water pump.
Remove and discard the water pump gaskets.

Fig 3: Removing Water Pump
Courtesy of GENERAL MOTORS CORP.

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

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.

Shop Manual-Ready Tools Free Quote Check Quote Shield Pro

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.