Ford Windstar 2003 air conditioner

Asked by Guru3B7N1 Jul 05, 2020 at 03:20 PM about the 2003 Ford Windstar SE

Question type: Maintenance & Repair

At idle air conditioner works normal when you hit the gas air conditioner goes
to defrost what is the fix

2 Answers

There is a vacuum leak. It could be anywhere between the blend door actuator and the vacuum tank. I would start by inspecting the vacuum tank and the line that goes to it.

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Also look for the vacuum check valve. A bad check valve will cause mode shifting as well. Hope that helps! Jim

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