I have a 2006 Holiday Rambler Ambassador with a dash heater fan that is getting progressively noisier to the point it is very bothersome to run on high speed. Does anybody know what automotive part mi...
On two different vehicles in the past I've had a blower get noisy. I one case, a piece of foil duct tape had come off the inside of an intake duct and was doing the "playing card on bicycle spokes" thing (also had this happen on a home heating unit with a large paper label, too). The other time was in a vehicle without a cabin filter and some dried leaves had made it into the fan housing. In neither case did the fan have to be replaced.