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getting 4x4 to dis engage


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although the solenoids can be makingvacuum sounds and working properly, check for any disconnected hose or broken nipple going to the trans. the diaphragm is a push-pull mechanism where the solenoids are ganged and operate like a dpdt swithc in opposite orientation, one off, on e on, alternately.

 

ssumingg the vacuum is working, follow the advise of reversing or jacking the car. 4wd should be engaged or disengaged when the sttering is straight on, while stopped, or rolling. Sometimes the car will have to roll a bit to engage or disengage.

 

If all of your heater selects only blow out of the dash vent on every setting, check for the vcuum line between the canister and the manifold as that is easy to knock loose and miss seeing it.

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