Q: What is the information provided about the fans in Chevrolet Cobalt,HHR,Saturn ION and Pontiac G5?
A: There is a single fan mounted on the Radiator side of the radiator and the speed and duration are regulated by a fan control module and the PCM. The fans are protected by fuses located in the engine compartment fuse/relay box. The PCM can run the fans at Low or High speeds. If the fan is not coming on, test the fan motor and if it does not work, replace it. If the motor works but the fan is still not working, the relay may be defective. Check the fuses for continuity, and if they are okay, inspect the wiring, connections, ECT sensor, and fan control module. For removal and installation of the fan, disconnect the fan motor harness connectors, raise the vehicle and support it on jackstands, the under-vehicle splash shield should be removed, and the fan assembly should be released from the radiator and lowered out from the bottom of the vehicle.