Quote:
Originally Posted by piper6909
Sounds more like your fan motor is on its last leg, especially if it came on after tapping on it. Both sides should run at the same speed, so if the right side is running at high speed and the left is running slower, it doesn't mean that the left is running at low speed. It means that it's running slow at high speed, another indication that the motor is bad.
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I believe you to be correct. I did some more reading and find that at low speed the fan virtually is silent. I had to get down there to hear it running. The high speed... that you can hear. I did find that the passanger side fan on low I could hear... and it sounded 'healthy'. The driver side, in comparison, was maybe half the speed and... from the same vantage point... I couldn't hear it until I got under it. That said...
Just came in from doing some more diagnosing. I removed the four relays. I then jumped each of them.
Passenger side high and low speeds relays. Worked.
Driver side relays? Nothing.
Reinstalled the relays... started the car (cold)... turn on AC.
Passenger side fan high speed on.
Driver side fan. Nothing. Reach under... a few taps... starts spining low speed.
It appears that a new fan is in order... you called it..
Couple more questions...
The passenger side coming on high speed. It should be low speed. Does that sound like a resistor? Should I purchase a low mile used resistor... with the entire harness... plugs... swap it out? Should I replace the entire fan unit?
Likewise the driver side fan. Low mileage used... ~$60? New aftermarket ~$65?
WWPD?
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