Question about 2002 Mitsubishi Lancer

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Blower Fan only works on 4, makes a bad grinding noise

I have a problem similar to this one

A while back the A/C leaked onto the floor, turned out the hose was clogged so I had that taken care of, a few days later however the blower fan stops working on 1, 2 or 3. It'll work on 4 but it makes a bad grinding noise.

I asked a few garage's about this and they said to have my register(?) checked. I've never heard of a register in a blower unit, resistor sure but a register? And is that even likely to be the actual problem?

Looking for some insight and a possible diagram of the blower-unit/where it's located under the dash.


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  • rbansal Nov 21, 2008

    I had the same problem and took my car to the mitsubishi Dealer who gave me an estimate for $750.00. Can anyone tell me what is the part No for blower fan and resistor? Where can I buy OEM and how can i replace it.


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I had the same problem, it only cost me around $100 to fix it myself. You will have to find the blower motor and resistor. Both units are behind the glove compartment. So remove the compartment and pull it out. I only bought a new blower motor. My resistor had detached and I solder it back together. Get the blower motor on ebay. I also went to get an estimate at a mitsubishi dealer and they said around $750. It's really easy, my boyfriend did it for me. Anyways, after you fix it you need to keep an eye out for leaks and keep the hose from getting clogged with debris (leaves, dirt, etc.) Goodluck!!!


Posted on Feb 07, 2009

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To take the resistor out you will need to remove the glovebox. Behind that you will find the computer, take that out as well. You should see the resistor behind the computer. You will have to unplug it and unscrew two screws. A new one should cost you around $85 retail

Posted on Nov 12, 2008

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The fan speed resistor will cause this fault if it has failed. I'd take a guess and say that the water buildup in the heater box may have damaged the resistor, and possibly the fan motor if it's making noise. It could also be a leaf or something stuck in the fan making the noise, thing can get sucked in there when the system is set to recirc. Not sure of location, but if you pop into a mechanic or the Mitsi dealer and ask them to show you the location I'm sure they should give you that info without charging you for it. At least i'd hope that was the case!

Posted on Oct 25, 2008

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