Why is the radiator fan not working on my Chevy Silverado?
If your Silverado has a bad engine temp sensor the radiator fan won’t know to come on, because the ECU won’t know how hot the engine is. You’ll need to locate and test the engine temp sensor.
What are the symptoms of a bad cooling fan relay?
1. Engine running hot One of the first symptoms commonly associated with a bad or failing cooling fan relay is an engine that runs hot or overheats. If you notice that your engine is running at higher temperatures than normal, that may be a sign that the relay is not functioning properly.
How does the cooling fan relay work on a car?
The cooling fan relay is the relay that controls the engine’s cooling fans. When the correct parameters are met, a temperature switch or the computer will activate the relay, which will allow power to the fans. The relay will usually be activated once it is detected that the vehicle’s temperature…
How to troubleshoot a Silverado engine overheating?
Troubleshooting your coolant system, when the problems are minor, will save you time and money in the long run. Allow the truck 30 minutes to cool down. The coolant system will be under pressure when it is first turned off. Open the hood to access the engine compartment. Locate the radiator in front of the engine compartment.
If your Silverado has a bad engine temp sensor the radiator fan won’t know to come on, because the ECU won’t know how hot the engine is. You’ll need to locate and test the engine temp sensor.
What happens if you run a Chevy Silverado Hot?
The Chevrolet Silverado is a rugged truck that is made for a tough workload. Coolant system failure can eventually cause major engine damage as running the truck hot can lead to head gasket failure or loss of power eventually causing the motor to stop running.
Where is the coolant cap on a Silverado?
Open the hood to access the engine compartment. Locate the radiator in front of the engine compartment. Twist the radiator cap counterclockwise to remove it from the radiator. Once the cap is off, check the coolant level. The coolant should be visible by looking down in the radiator.
What to do if your radiator fan is going bad?
A new radiator fan and thermal fan clutch, ready to keep your engine cool. Benjamin Jerew is an ASE-certified Master Automobile Technician with over a decade of experience in auto repair, maintenance, and diagnosis.