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Old 09-13-2007, 01:51 AM
mj_sid's Avatar
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Join Date: Mar 2003
Location: San Jose CA
Posts: 146
HVAC Vacuum Pod Test Procedure Question

Hello Everybody,

I've been having a blast over the last few days taking my dash apart to get to the vacuum pods. It is actually pretty cool in there. So I have the dash out now and I've began to test the vacuum pods (big pink things I assume). So I've tested three of these pods. The one to the left of the pass seat holds pressure on both lines (both red) for as long as I want. The two located directly behind the glove box that share a red and a green vacuum line is where I think I may have problems with. When I apply vacuum to where the red lines would go into the pods the pressure drops. It builds up while i'm pumping then slowly releases out (nothing appears to happen). When I apply pressure to where the green lines plug into the pressure holds fine and the flap opens up.

So my question is this: does this mean that the pod(s) are bad or am I missing what I am actualy supposed to be testing???

Thanks For Any Help,
Matt
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Current Stable:
1987 300SDL
1980 450SEL

Out to Pasture:
1982 300D KIA (Rice Rocket vs. 123: He hit me at 80-100MPH I walked away he went to the hospital. Sounds fair to me!)
1985 300D EURO Scrapped (got more money from state than car was worth)
1979 & 1980 300SD Great Cars!
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