Cabin fan intermittancy issues.

[Kruzen]

Got an odd problem the other day.

Woke up and went out and got some donuts in the cold washington air and had my cabin air on pos. 2 or 4 blowing hot air no issues the trip there and back.

Later that day I went to run an errand at night and on the way back noticed that the fan was not blowing any air, but I could choose cold/hot without any issues and the air flowing against the car was pushing it into the cabin just fine.

Here's the weird part.. later that night I went out and turned the car to ACC. power and tested it out, worked fine.. started the car up, worked fine.

Today I went to run an errand once again and once again the fan isn't working at all again and didn't work on several stops.

The fuses are all fine, and I am assuming there's an electrical problem somewhere, but i'm not sure why it would work all the way up to full blast one moment and not the next..

[nando]

the motor is bad

[Kruzen]

the motor is bad

Why is it working sometimes and not others? Is there any other tests I can do?

[nando]

the brass rings that the brushes ride one are probably worn down to nearly nothing.

Mine did the exact same thing - worked perfectly, and then one day it stopped working intermittently. Then it stopped working entirely. Lucky I had a mint one in the parts car.

You could check that the highest speed resistor is working (measure continuity, it's the biggest one) - then run it on full speed and see if it keeps working. you could also check the fuse, and the connections for cleanliness. But in all likelyhood it's just a worn out motor.

[Kruzen]

gotcha, thanks :)