M-Class (W163) Produced 1998-2005: ML 230, ML 320, ML 350, ML 400 CDI, ML 430, ML 500, ML 270 CDI

Bleeding the Brakes?

Old Jun 7, 2010 | 05:19 PM
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Bleeding the Brakes?

Hi, new to this forum and have a question.
I just replaced the front brake pads and am about to bleed the brakes since I have no pedal when the engine is running. Is there any special nuance to bleeding the system? can I just bleed the front axle or do I need to follow a certain sequence?
Thanks in anticipation for any help.
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Old Jun 7, 2010 | 06:02 PM
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It's preferable to bleed the whole system, as you may have air trapped in the rear lines. Unlikely, but it's possible.

You bleed as follows:

Rear Passenger
Rear Driver
Front Passenger
Front Driver

You can try to bleed just the fronts and see how that works out for you. You might get lucky.

Front passenger first
Front driver last if you're doing just the fronts.
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Old Jun 7, 2010 | 06:09 PM
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thanks for the input, also is the bleeding valve the one located on the top of the caliper?
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Old Jun 7, 2010 | 06:15 PM
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I don't know where the bleeding valves are on your SUV. I would presume they are at the top of the caliper, yes. Make sure you only have one per caliper. Some calipers have 2 or 4 valves per.
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Old Jun 10, 2010 | 08:09 PM
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2007 GL450 2005 C55 2002 C32 sold 2001 ML320 sold
The bleed nipples are on the top on the inside of the calipers - usually covered by a black rubber cap.
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