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Old 02-26-2014, 07:02 AM   #1
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Heat Problems-need to replace fan?

Hello all--

I recently replaced the resistor motor and the heat control switch in my ford focus as the heat was not working on any of the blower settings. This seems to be a common problem. Now that these two parts are replaced the heat works on all levels. The problem now is that I smell a melting plastic/hot glue smell when I use the heat so I have been hesitant to use it thinking that it is going to blow the heat again. I am thinking that the fan needs to be replaced because its putting stress on the parts I replaced and is just going to blow them again. Any thoughts? Anyone else have this similar issue have replacing the blower control switch and the resistor?

Thank you!

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Old 02-26-2014, 11:16 AM   #2
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Very common that the fan just needs its bearings lubricated. Remove it and put a couple of drops of motor oil on each bearing.

Also, while you have the blower fan out, use a flashlight and a mirror to check the backside of the A/C evaporator for any debris especially if you don't have a filter installed. It is easier to check if you also remove the fan resistor block too. If you see any trash just use a shop vac with a piece of heater hose attached to reach into the space.
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