blower/air ducts

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Feb 9, 2008 | 02:01 PM

00rangersport

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blower/air ducts

I have no clue whats going on here but anytime I drive up a hill or get on the gas hard the air stops coming out of the vents and just blows on the windshield as if I turned the switch to defrost....any help or suggestions?

Feb 9, 2008 | 02:20 PM

aquanaut20

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From: BC Canada

When you "get on the gas" as you say the manifold vacuam decreases, and there will not be enough to hold the heater plenum flap in place, it defaults to defrost(safety issue)

Feb 9, 2008 | 02:25 PM

00rangersport

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so do I have a motor issue or something? It seems to run fine no idle issues or amything like that

Feb 9, 2008 | 02:31 PM

aquanaut20

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From: BC Canada

Quote:

Originally Posted by 00rangersport

so do I have a motor issue or something? It seems to run fine no idle issues or amything like that

No you have a foot issue, it is working as it should

Feb 9, 2008 | 02:38 PM

00rangersport

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whatever, but that doesnt explain just driving normal and going up a hill and just starts blowing to the windshield, it just started doing this last month and never has done this the entire 8 years I had this truck