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re: OT mechanics - a/c question - Air only blows when driving at speed not idling
Posted on 4/7/15 at 2:56 pm to Jcrew
Posted on 4/7/15 at 2:56 pm to Jcrew
quote:
It's the fan motor out. It's not spinning the fan when at idle. When you get up speed the wind spins the fan making it blow.
Not sure if this Is a serious response. You may be confusing the cooling fan with the blower.
It could be the resister on the blower motor as was mentioned in the other post, but it'll usually go out completely for particular fan speeds. Unlikely to cut in and out with the rpm of the engine.
Posted on 4/7/15 at 3:12 pm to Jimbeaux
quote:
It could be the resister on the blower motor as was mentioned in the other post, but it'll usually go out completely for particular fan speeds. Unlikely to cut in and out with the rpm of the engine.
My truck would blow at certain speeds for a while and then they all stopped working. You could barely feel the A/C when idling but it would blow a little more when driving. When I pulled the resistor I found that the connector that goes to the blower motor had melted. I changed both and I'm back in business. Changing the resistor was really easy, but rewiring that connector sucked donkey balls.
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