[W126 Coupe] Brakes and air

[Jay Hirsch]

Have they checked the brake lines for leaks anywhere?

Have they tried the "old fashion way"  of bleeding brakes?    Which  
is  still the best and only way
keep cruisin
Jay H
On Dec 18, 2010, at 5:18 PM, Ronny 560sec wrote:


> My mechanic replaced today also the master cylinder of my 1987 SEC  

> and used this time the newly bought Motiv pressure bleeder.

> The brakes became firm. They did a test drive and first it start  

> holding. Then they asked me to test drive the car. And when I  

> started I felt directly the soft pedal that went all the way down  

> slowly. Even pumping did not help.

> Since this is happening again I think the master cylinder was OK.  

> And they have used about 2 gallon of break fluid.

> Any idea and advice

>

> Ronny

> Glendora, California

>

>

>

> --------------------------------------------------

> From: "Jonathan Hodgman" <blueridgemb at gmail.com>

> Sent: Thursday, December 16, 2010 10:27 AM

> To: "Mercedes Coupes Mailing Lists" <mbcoupes at mbcoupes.com>

> Subject: Re: [W126 Coupe] Brakes and air

>

>> Given the age of the master cylinder in Most of these cars,  

>> pressure or vacuum bleeding is the way to go.

>>

>> Also, there are times when air gets caught up in the ABS pump.   

>> I've found that cycling the key a few times as each wheel is bled  

>> eliminates any trapped air.

>>

>> Jonathan

>>

>>> The MB Coupes Website!

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>>

>>

>> -- 

>> Jonathan Hodgman

>> Blue Ridge Mercedes/AMG East

>> http://www.blueridgemb.com

>> Offering Enthusiast Service, Restoration and Tuning.

>> (404)805-1357

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> The MB Coupes Website!

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