EazyE102

Hi,

My Navigator air conditioning is acting up. I was driving yesterday with the air on. I had it set to come out of the main air vent in the front of the dash. All of a sudden the air stops blowing out of those vents and just switches to the defogger vents even though I still had it set on the other setting. But I noticed that when I come to a stop at a stop sign or stop light, it will start working normal again. It will only act up when I accelerate. I have no clue why it is doing this. Any help would be appreciated. The car has about 98,000 miles on it. Thanks.

EazyE102

Does anyone have any suggestions?

fixitnowlt

You are loosing vacuum to the a/c head. Check the black vacuum hose going to the a/c head. It runs through the firewall to the engine. I think the line tees into another one in the engine bay.The a/c head itself is a possibility as well.

FYI- (simply put) vacuum goes away when the throttle is opened and is created when it is closed.

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EazyE102

Thank you. LOL thank you for putting it a little more simple. I couldnt think of a good way to word it. Thanks