Forum Discussion
carringb
Jun 13, 2014Explorer
Yup. Vacuum leak for sure. Possibly a check valve if it only does that up front.
In my case, the rear selector door vacuum actuator ruptured. I don't think that is common though. Usually its an elbow that came loose under the hood, or sometimes rodent damage.
In my case, the rear selector door vacuum actuator ruptured. I don't think that is common though. Usually its an elbow that came loose under the hood, or sometimes rodent damage.
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