Brake Vacuum Pump

Niam

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Joined
Jan 18, 2018
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Your Mercedes
2010 Mercedes S350 Bluetec
Hi,
I have a Mercedes S350 2010 Diesel, had a experience on Thursday where the brakes went hard and could not stop the car. Recently had a replacement brake pump fitted, Would the vacuum brake pump work if it was either a pump from a petrol or a Diesel?
 

EmilysDad

Senior Member
Joined
May 8, 2012
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Location
Bury Lancs
Your Mercedes
ML350
Hi,
I have a Mercedes S350 2010 Diesel, had a experience on Thursday where the brakes went hard and could not stop the car. Recently had a replacement brake pump fitted, Would the vacuum brake pump work if it was either a pump from a petrol or a Diesel?

Petrol cars normally use a vacuum servo & don't need a pump
 

LostKiwi

Senior Member
Joined
Aug 25, 2006
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Location
Midlands / Charente-Maritime
Your Mercedes
'93 500SL-32, '01 W210 Estate E240, 02 R230 SL500 (Malcolm Spec), 04 Smart Roadster Coupe
As above petrol cars use manifold vacuum (except some turbos). Diesels don't have manifold vacuum so need a pump to provide it.
 


Mercedes-Benz Servicing, repairs, engine and diagnostics
Wayne Gates - Mercedes-Benz, Unit F3, Phoenix Industrial Estate, Rosslyn Crescent, Harrow, Middlesex, HA1 2SP
Tel: 020 8863 9233
Established for 20 years all vehicles washed and vacuumed.
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