Why is the radiator fan not working on my Chevy Cobalt?
If your Cobalt 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. Depending on the model year and engine, the location varies. If it does end up being this sensor, they are very affordable.
What’s the problem with my 2005 Cobalt pursuit?
I have the same problem! please help, my 2006 cobalt with only 51,000 miles overheated on me! and the fans wont turn on. Certain 2005 Cobalt cars and 2005 Pursuit cars may have a problem with a defective fan wiring harness; voltage spikes may damage the transducer resulting in a loss of A/C.
Where do I find the fan relay on my car?
Find the fan relay in the underhood fuse box. It should be labeled as such. With a volt meter, make sure that you have 12 volts in at least 1 of the relay terminal slots where the relay plugs in to the fuse panel.
What is coolant temp on Cobalt LS engine?
2006 cobalt LS engine… engine cooling fan does not turn on and the coolant temperature goes up to 250 and I’ve to shut it down. I changed the coolant temp sensor and thermostat and still does it.
Is there a problem with my 2005 Cobalt?
Certain 2005 Cobalt cars and 2005 Pursuit cars may have a problem with a defective fan wiring harness; voltage spikes may damage the transducer resulting in a loss of A/C. This new harness is designed to isolate the voltage spikes, refer to GM bulletin 05034A. It is listed for the following vehicles with the 2.2L engine with Air Conditioning:
Why does the radiator fan stay on all the time?
If your radiator fan stays on all the time when the car is started or with the ignition being on we will explain what is causing that. Radiator fan should not stay on all the time. The radiator fan is supposed to be activated at certain coolant temperature or the radiator might be on if you have the AC turned on.
Find the fan relay in the underhood fuse box. It should be labeled as such. With a volt meter, make sure that you have 12 volts in at least 1 of the relay terminal slots where the relay plugs in to the fuse panel.