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1983 Mercedes Benz 300dt vacuum system

Tiny
MAZIEREE
  • MEMBER
  • 1983 MERCEDES BENZ 300DT
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
Is there a kit I can buy that will determine where there are leaks in the vacuum system?

The vacuum pump does have the 20-25 inches of vacuum

Currently, I have to manually lock/unlock the doors so I know there's a leak somewhere.

Recently bought this car from a private party.
Thanks
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Wednesday, November 11th, 2009 AT 11:19 AM

1 Reply

Tiny
DR LOOT
  • MECHANIC
  • 2,311 POSTS
This is a very common occurrence. The small vacuum lines on the left side of the vehicle next to the master cylinder are the vacuum lines that go to the locks checked those lines, make sure they are in good condition. Also you can take a vacuum attach it to those lines and see if it's holding vacuum.
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Saturday, November 28th, 2009 AT 9:55 AM

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