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  #1  
Old 12-06-2009, 01:50 AM
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New servo equals no shut off

Just replaced the original climate control servo on my 1980 300sd with an aluminum unit. I noticed right after the replacement that my car took about three seconds to shut off, something it didn't do before. Now the car won't shut off at all. Is it possible that this new servo could cause a vacuum leak to the extent that if affects the car shutting off?

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  #2  
Old 12-06-2009, 03:08 AM
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Not just possible, likely. Are all the connections the same as the old one?
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Old 12-06-2009, 02:36 PM
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As far as I can tell they are all the same.
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Old 12-06-2009, 02:40 PM
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What was wrong with the old servo? I'm guessing the new servo is activating a vacuum pod the old servo didn't and the pod is leaking.
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1977 300d 70k--sold 08
1985 300TD 185k+
1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
1979 300SD 122k--sold 2/11
1999 Fuso FG Expedition Camper
1993 GMC Sierra 6.5 TD 4x4
1982 Bluebird Wanderlodge CAT 3208--Sold 2/13
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  #5  
Old 12-06-2009, 05:51 PM
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Ok, the problem may not have been with the servo after all. After some experimenting, I was able to get the car to shut off after plugging the green line with black stripe. It will not hold vacuum. It is located by the brake servo with a couple of other vacuum lines which head into the car. Anybody know what this green line with black stripe goes to?
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  #6  
Old 12-06-2009, 05:56 PM
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Climate control.

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1977 300d 70k--sold 08
1985 300TD 185k+
1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
1979 300SD 122k--sold 2/11
1999 Fuso FG Expedition Camper
1993 GMC Sierra 6.5 TD 4x4
1982 Bluebird Wanderlodge CAT 3208--Sold 2/13
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