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 MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2306 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSENGINE COOLANT INLET PIPE REPLACEMENT

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Engine Coolant Inlet Pipe Replacement

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Engine Coolant Inlet Pipe Replacement

WARNING: This page is about a different car, the 2010 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Engine Coolant Inlet Pipe

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedure Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill) or Cooling System Draining and Filling (GE 47716) . Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Disconnect the engine harness and battery cables from the brackets attached to the engine inlet pipe. Remove the passenger compartment air filter housing. Refer to Passenger Compartment Air Filter Housing Replacement .
1	Radiator Outlet Hose
2	Auxiliary Water Pump Hose
3	Engine Coolant Inlet Pipe Nut CAUTION: Refer to Fastener Caution . Tighten: 22 N.m (16 lb ft)
4	Engine Coolant Inlet Pipe Bolt Tighten: 58 N.m (43 lb ft)
5	Engine Coolant Inlet Pipe Bolt Tighten: 22 N.m (16 lb ft)
6	Seal
7	Engine Coolant Inlet Pipe

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.