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 PASSENGER EXTENDED, 5.0 MREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 878 (ENGINE CONTROLS - 8.1L - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSENGINE COOLANT TEMPERATURE SENSOR REPLACEMENTINSTALLATION PROCEDURE

2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 M

Installation Procedure

2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 MSECTION Installation Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2001 GMC Yukon XL, 2001 GMC Sierra, 2001 GMC Cab & Chassis Sierra, 2001 GMC C3500 HD, and 2001 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Engine Coolant Temperature Sensor (ECT)

Courtesy of GENERAL MOTORS COMPANY

Coat the threads with sealer P/N 9985253 or equivalent.
Refer to FASTENER NOTICE in Cautions and Notices.
Install the ECT sensor (3)

Tighten

Tighten the ECT sensor to 20 N.m (15 lb ft).
Connect the ECT electrical connector to the bracket (1).
Connect the ECT harness connector (2) to the ECT sensor (3).
Refill the cooling system. Refer to Cooling System Draining and Filling in Engine Cooling.

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.