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 MANUALSCHEVROLET2019EXPRESS 2500 BASE, VAN CARGO EXTENDED, 6.0L ENG VIN GREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 89 (HEATING SYSTEM, VENTILATION SYSTEM, AND AIR CONDITIONING SYSTEM)REPAIR INSTRUCTIONSHEATER COOLANT HEATER COMBUSTION SENSOR REPLACEMENTINSTALLATION PROCEDURE
2019 Chevrolet Express 2500 Base, Van Cargo Extended, 6.0L Eng VIN G
Installation Procedure
2019 Chevrolet Express 2500 Base, Van Cargo Extended, 6.0L Eng VIN GSECTION Installation Procedure
WARNING: This page is about a different car, the 2018 GMC Savana 3500, 2018 GMC Savana 2500, 2018 Chevrolet Express 3500, and 2018 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
- CAUTION:
Refer to Component Fastener Tightening Caution .
Install the heater coolant heater combustion sensor to the coolant heater and tighten to 2.5 N.m (22 lb in).
- Install the heater coolant heater combustion sensor wiring to the electrical connector.
- Install the heater coolant heater control unit. Refer to Heater Coolant Heater Control Replacement .
- Install the heater coolant heater. Refer to Heater Coolant Heater Replacement (LWN) .
- Lower the vehicle.
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.