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Mercedes Benz repair/rebuilbing vacuum pump on 1983 300D

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Expert: whunter - 11/21/2005


Question
Reading on pump, how much vacuum?
what must you look out for when putting in kit?
What leakdown should you get from brake booster?
Should you place any sealent on "o" ring assembly or the 3 vacuum vaules?

Answer
Vacuum will be between 13 and 30, it is not safe under 13, at 30 or higher I would suspect you have a bad vacuum gauge.

Rebuilding the Vacuum Pump on the 617 Engine
http://diymbrepair.com/easley/Rebuild_vac_pump.htm

Brake booster should not leak, there is a seal between booster and master cylinder.

Please define these a little better, which O ring and vacuum valves?
Should you place any sealant on "o" ring assembly or the 3 vacuum valves?  

Mercedes Benz repair

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whunter

Expertise

Mercedes Benz diesel 1960 - 1985. Rolls-Royce or Bentley 1959 - 1978. Jaguar 1960 - 1989. MG 1959 - 1985. British 1923 - 1969. Micro and mini cars, an area of interest and study, I will try to answer questions on these. Domestic car/light truck 1903 - 1975

Experience

30 years Automotive Field Experience.
ASE Double Master Mechanic.

Organizations
ACTIVE MEMBERSHIPS:

Cadillac-LaSalle Club http://www.cadillaclasalleclub.org/
Rolls-Royce Owners Club http://www.rroc.org/
Lake Michigan Region
Motor Region http://www.rroc-mr.org/index.htm
Ohio Region
Modern Car Society http://www.rroc.org/members/regions/mcs/
Silver Cloud Society http://www.cloudsociety.org/
Rolls-Royce Foundation http://www.rollsroycefoundation.com/
Rolls-Royce Owners' Club of Australia http://www.rroc.org.au/cgi-bin/newforum/discus.pl
Mercedes-Benz Club of America http://mbca.cartama.net
International Stars Section http://www.internationalstars.org/
mercedesshop.com Diesel Discussion http://www.mercedesshop.com/shopforum/
JAGUAR CLUBS OF NORTH AMERICA http://jcna.com/forums/index.php
Jag-lovers - Jaguar Enthusiasts http://www.jag-lovers.org/
BMW CCA http://bmwcca.org
Motor City Chapter BMW CCA http://www.mpowerclub.com/cca/index.pl?cat_id=6
http://www.bmw-forums.com/forum/index.php?

Publications
Rolls-Royce and Bentley, Modern Lady.

Education/Credentials
ASE CERTIFIED: Master Auto Technician.
Brakes, Engine Repair, Auto: Engine Performance, Auto: Suspension and Steering,
Heating & Air Conditioning, Auto: Electrical/Electronics systems, Manual Drive Train and Axles
Automatic Trans/Transaxle
ASE CERTIFIED: Master Med/Hvy Truck Technician.
Brakes, Diesel Engines, Gasoline Engines, Electrical systems, Suspension & Steering, Drive
ASE CERTIFIED: Alt. Fuels: Light Vehicle Compressed Natural Gas
ASE CERTIFIED: Body: Mechanical & Electrical components
GM, Steering service class.
GM, Vibration correction training class.
ISO 9000 Training.
Blueprint Reading and Engineering Drawing Interpretation:
Study of Steam Power, Certificate of Achievement:
DALE CARNEGIE TRAINING COURSE:
Refrigeration applied electricity and heating Certification:
Refrigerant Transition and Recovery, residential and commercial service.
Refrigerant Transition and Recovery, (IMACA).

BASIC Skills:
Welding: ARC/Mig/tig and gas. Blue print reading/layout, steel erection and rigging, wiring AC/DC, hydraulics, pneumatics, some lathe, mill, fabrication and instrumentation experience.

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