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 G3500, VAN PASSENGER EXTENDED, 6.5 FREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 773 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSCOOLANT HEATER REPLACEMENT (3.8L)INSTALLATION PROCEDURE
2001 Chevrolet Chevy Express G3500, Van Passenger Extended, 6.5 F
Installation Procedure
2001 Chevrolet Chevy Express G3500, Van Passenger Extended, 6.5 FSECTION Installation Procedure
WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
- Apply GM P/N 12346004, (Canadian P/N 10953480) or equivalent to the following:
- Engine block heater seal
- Cleaned surface of the engine block heater hole
- Install the coolant heater by pushing tight to the block.
- Position the engine coolant heater element at the 9 o'clock position (2).
Final installed position between 10 o'clock (1) and 8 o'clock (3) is acceptable.
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.