1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

A/c problem help!!

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Old 09-05-09, 04:19 PM
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A/c problem help!!

Hey guys, well i dig what you guys told me to put the mushroom thing with the solenoid and connect it directly to the a/c clutch cable. the mushroom thing works and it accelerates the engine when activated, no problem there. Now the problem comes when you turn of the a/c and the solenoid closes again, the pressure inside the mushroom keeps the car accelarated even after the a/c has been turned off. i can only releadse the pressure by disconnecting the hose. The solenoid i have it connected like this. look at attachment. what can i do? whats wrong, help!!
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Old 09-05-09, 10:09 PM
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bump hey guys i need
Old 09-06-09, 12:16 PM
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Maybe try a different solenoid. It could be sticking, or not the right one.
Not really sure if it makes a difference but some are vented, and some are plugged aren't they? The white one is the original.
Old 09-06-09, 12:32 PM
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The solenoid works perfect and its not sticking, the part that its plugged its plugged by me its not originally plugged so i can remove that plug.
Old 09-06-09, 02:24 PM
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If the solenoid activates when the a/c is turned on and thereby suplies vacum to the "mushroom thing" I should think that when the a/c is turned off that the solenoid would have to vent the vacum in the "mushroom thing". Otherwise the vacum would remain on there. This is how the coasting valve works. One way the solenoid supplies vacum to the coasting valve and the other way it vents to the air through a filter.
Old 09-06-09, 03:37 PM
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Does the Throttle Opener (mushroom thingie) release when you disconnect either wire from the solenoid? The solenoids are all the same inside.
Old 09-07-09, 12:42 AM
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Originally Posted by kutukutu1
The solenoid works perfect and its not sticking, the part that its plugged its plugged by me its not originally plugged so i can remove that plug.
I would think thats probably it.
Old 09-07-09, 01:02 AM
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it activates and produces vaccum, but when i disconnect the cables the throttle opener does not vent othe vaccum inside. take a look at the diagram and see if i have it done right. thanks
Old 09-07-09, 03:33 AM
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The vacuum line you show as plugged, shouldn't be. There is a small filter that slides on that line.
Old 09-12-09, 01:06 AM
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k ill try that and see if it works
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