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Old 08-31-2008, 10:13 PM
Cr from Texas Cr from Texas is offline
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Join Date: Feb 2008
Location: DFW area (north side)
Posts: 1,288
I'm not very familiar with the SD but I think the same functions are controlled by vacuum as in my 300D. You just have a different source. If the pump is dead, I think not only the door locks are affected but also the brake booster, the climate control, and the transmission shifting. Being a holiday, you might not get a quick respones from Sam, Brian, and some of the other regulars that are more familiar with the SD system.
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Charles
1983 300D, bought new, 215k+ miles, donated to Purple Hearts veterans charity but I have parts for sale: http://www.peachparts.com/shopforum/mercedes-benz-cars-sale/296386-fs-1-owner-83-mb-300d-turbo-rebuild-parts.html

Last edited by Cr from Texas; 08-31-2008 at 10:14 PM. Reason: typo
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