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 C1500, 5.3 ZREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 995 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSWATER PUMP REPLACEMENT (LU3)INSTALLATION PROCEDURE
2006 Chevrolet Suburban C1500, 5.3 Z
Installation Procedure
2006 Chevrolet Suburban C1500, 5.3 ZSECTION Installation Procedure
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- If reusing the old fasteners, apply sealant GM P/N 12346004, (Canadian P/N 10953480), or equivalent to the threads of the water pump bolts.
- Install NEW water pump gaskets and the water pump.NOTE: Refer to Fastener Notice .
- Install the water pump bolts.
Tighten: Tighten the bolts to 45 N.m (33 lb ft).
- Using J 41240
, hold the water pump pulley, install the water pump pulley bolts.
Tighten: Tighten the bolts to 25 N.m (18 lb ft).
RENDER: 1.0x
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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.