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 MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 407 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSWATER PUMP REPLACEMENT (4.3L ENGINE)REMOVAL PROCEDURE
2006 Chevrolet Suburban C2500, 6.0 U
Removal Procedure
2006 Chevrolet Suburban C2500, 6.0 USECTION Removal Procedure
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Loosen the air cleaner outlet duct clamp at the mass airflow/intake air temperature sensor.
- Remove the positive crankcase ventilation (PCV) hose.
- Remove the air cleaner adapter nut.
- In order to remove the air cleaner outlet duct, pivot the duct upward until the hinge clip release from the lip on the throttle body.
- Drain the cooling system. Refer to Draining and Filling Cooling System (without HP2)Β .
- Remove the cooling fan. Refer to Fan ReplacementΒ .
- Remove the drive belt. Refer to Drive Belt Replacement in Engine Mechanical - 4.3L.
- Reposition the radiator outlet hose clamps at the surge tank and water pump.
- Remove the radiator outlet hose from the surge tank.
- Remove the radiator outlet hose from the water pump.
- Reposition the water pump inlet hose clamps.
- Remove the water pump inlet hose.
- Using J 41240Β , hold the water pump pulley, remove the water pump pulley bolts.
- Remove the water pump bolts.
- Remove the water pump.
- Remove and discard the water pump gaskets.
- Clean and inspect the water pump, if necessary. Refer to Water Pump Cleaning and Inspection .
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.