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Old 03-28-2000, 09:42 AM
matthew merrill
Posts: n/a
I heard somewhere that mercedes started using
a backup vacuum pump for the door lock
system on newer merecedes.
Is this true and is it possible to
put one in a 78 300D?
My system works well, just sometimes when it
is cool out it is slow or doesn't work
if the car sits for a long time.

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