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  #1  
Old 06-12-2013, 06:45 PM
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Vacuum help and digrams needed

I fixed my slow start problem (replaced the starter...) and now the A/C only blows out the defrost. I calculate it is a vacuum loss. I looked for a diagram that may have been posted and do not see one. I have manual hubs on the front and figure they are no longer connected up top.

Where is the pump located and would someone have a diagram handy to post?



Thanks,
Mike
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Old 06-14-2013, 08:40 AM
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I'll see if I can dig anything up. I'll let ya know.
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Old 06-14-2013, 08:42 AM
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Pump is on the passenger side of the engine compartment towards the fire wall it is about the size of your fist is black


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Old 06-14-2013, 08:46 AM
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Found this picture on google.

Vacuum help and digrams needed-imageuploadedbyag-free1371228377.756949.jpg


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Old 07-28-2013, 03:43 AM
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Everything started working again for no reason. On a trip over to Valdosta, it happened during driving. Once I got home, I went out to check out what is going on.

I turned the key on (did not start to hear). The pump was running and running. I looked over the hoses and realized that only one line went outbound (there are 4 lines total, but they all connect together). I wiggles the hoses around a little right a the pump to see if there were any that was loose. About 30 seconds of messing with them, the pump shut off. I went into the cab and the vents had air blowing out of them again.

So, I either have a leak right at the pump that I fixed by wiggling the hoses arouns (but everything is tight and I could not really move anything), or the pump is just not pulling a vacuum correctly and me moving it around caused the internals to be jarred around to start drawing vacuum.

Do these pumps act up like this?

Looking for ideas. I can't fix it when it is working.


Thanks all,
Mike
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Old 07-28-2013, 05:39 AM
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buddy of mine, had same thing. I found the "vacuum" connection to be unplugged..(behind glovebox..white/black hoses connection)
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