Hi all,
Got a good one. When I run my air conditioner the vents will switch from panel to defroster. This occurs when I press the gas pedal. When I let off the gas, the air switches back from defroster to panel. Anyone know how to fix this?
Thanks.
2000 Ford F150 AC venting issue
Jun 04, 2006
Last reply: 20 years ago
3 Replies
There's a check valve that keeps the engine from pulling the vacuum out of the HVAC system under load. Yours is either bad, or you have a leak somewhere after it.
Thanks all for the answers. Now where do I find the diagrams of the vaccuum system so I can find the problem?
Thanks again.
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