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 MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN CARGO EXTENDED, 5.7 R, L31/KL8REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 536 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSCOOLANT PIPE REPLACEMENT - INLETINSTALLATION PROCEDURE

2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8

Installation Procedure

2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8SECTION Installation Procedure

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Water Coolant Inlet Pipe Bolts & Coolant Inlet Pipe

Courtesy of GENERAL MOTORS CORP.

Install the NEW coolant inlet pipe seal.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the coolant inlet pipe bolts.
Tighten
- Tighten the water outlet upper bolt (2) to 23 N.m (17 lb ft).
- Tighten the water outlet lower bolt (1) to 50 N.m (37 lb ft).
Install the lower radiator hose to the coolant inlet pipe. Refer to Radiator Hose Replacement - Inlet (LA1) or Radiator Hose Replacement - Inlet (LY7) .
Fill the cooling system. Refer to Draining and Filling Cooling System .

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.