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

Idle up valve?

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Old Nov 1, 2012 | 02:28 PM
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Idle up valve?

Anyone know that the valve that cracks your throttle open slightly when the AC is turned on is called? I’m looking for one of these if anyone has one.

Thank you
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Old Nov 1, 2012 | 03:29 PM
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Its called the AC solenoid valve.
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Old Nov 1, 2012 | 04:04 PM
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Found one on ebay; http://item.mobileweb.ebay.com/viewi...id=70726428307

There are enough guys getting rid of their rats nest that you might be able to put a request in the classified section and get one for even cheaper. Good luck.
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Old Nov 1, 2012 | 04:26 PM
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Appreciate the effort, but I need the actual mechanical mechinism that moves the throttle. Not the solenoid that controls it. Looks like a diaphragm with an adjustment screw on the top.
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Old Nov 1, 2012 | 08:10 PM
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Ah. Got it.
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Old Nov 2, 2012 | 02:00 PM
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I believe it is item 100 on this picture.

Name:  checkballs.jpg
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Old Nov 2, 2012 | 08:05 PM
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its called the throttle opener. check the FSM
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Old Nov 3, 2012 | 03:17 AM
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^^bingo. its vacuum opeated of course and controled in part by the ac solenoid valve.
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Old Nov 3, 2012 | 09:07 PM
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Thanks, now I just need to find someone that his one!
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Old Nov 4, 2012 | 08:14 AM
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I have been looking around. I haven't found one yet. I take it you've tried a post in the classified section? Have you checked with a local Mazda dealer? Carb parts have always been fun for me to track down. I keep meaning to pick up a spare on ebay some time when one is reasonably priced. I have one guy I will talk to and see if he might have one. Good luck!
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Old Nov 4, 2012 | 09:25 AM
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Originally Posted by clykins
I have been looking around. I haven't found one yet. I take it you've tried a post in the classified section? Have you checked with a local Mazda dealer? Carb parts have always been fun for me to track down. I keep meaning to pick up a spare on ebay some time when one is reasonably priced. I have one guy I will talk to and see if he might have one. Good luck!
Thanks for the effort. I had tried the WTB section as well. I think alot of people remove it and don't know what it is or what it does once they drop the rat nest and the AC etc.

Think I may try something along these lines if I can't find one.

http://www.ebay.com/itm/Professional...sories&vxp=mtr




Found a really good pic.

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Old Nov 4, 2012 | 07:12 PM
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dude i have a few of these laying around. pm me your address and i'll get one in the mail to you CHEAP!!
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Old Nov 5, 2012 | 11:11 AM
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^^^bingo. just make sure you ac solenoid is working and not stuck i installed mine and it created a vacuum leak when the a/c wasnt running very small but noticeable. and i had swap it with another one, not originally intended for the a/c but does the same thing non the less. GL
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Old Nov 16, 2012 | 11:20 AM
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Originally Posted by mazdaverx713b
dude i have a few of these laying around. pm me your address and i'll get one in the mail to you CHEAP!!
Did you ever ship this? Sent payment last week.

Thanks
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Old Nov 16, 2012 | 11:32 PM
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yup. sent you a pm
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