engine vacuum

Feb 19, 2008 2 Replies
M
1994 caravan 3.3l at idle 18 pounds in gear under load 10 pounds also heater vent goes from vent to defrost


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Did you have a question, or are you just babbling random words for the fun of it?

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Normal vacuum readings. Your vent system is designed to default to the defrost position if you loose vacuum. You are loosing vacuum because the check valve is bad or you has a ruptured hose, or vacuum acuator.

Glenn Beasley Chrysler Tech

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