heater fan doesn't come on all the time , sometimes it takes 5 10 minutes to come on , changed thermostat , cleaned fuel injection , repaired exhaust manifold leak, engine run better but no fan

Asked by Nov 22, 2014 at 05:52 PM about the 2010 Chevrolet Express Cargo G1500

Question type: Maintenance & Repair

and it still doesn't come on all the
time , what else could cause this

2 Answers

59,955

May be bad switch,or fan motor risitor.

11,815

All the work you did has nothing to do with the fan motor. There is a switch that turns the fan on and off. If the switch is bad, or the fan motor is bad, that is where the problem lies almost all the time. There could be a lose wire, but that doesn't sound like it. It really sounds like a fan motor is going bad.

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