[W126 Coupe] Brakes and air

[Ronny 560sec]

Mark,
I have not replaced the MC, but this morning I had a conversation with Jonathan and he told me that my garage guy should use a pressure bleeder and not do the old way of pumping the pedal.
I just came back from the garage and they already were thinking of replacing the MC, but after my talk to them they ordered the Motiv pressure bleeder.
Thank Jonathan.

Ronny 


From: Mark - FosterFirst 
Sent: Thursday, December 16, 2010 9:49 AM
To: 'Mercedes Coupes Mailing Lists' 
Subject: Re: [W126 Coupe] Brakes and air


Hi Ronny,

 

I just went through exactly the same ordeal. Complete brake job and very spongy pedal that I could eventually push to the floor. After several back and forth's to the garage, it turned out they had put the wrong master cylinder on - twice!!! There was a subtle difference between the one required and the ones they ordered. The point being that they had checked all the lines and could not find and issue until they narrowed it down to the MC - finally after three days of trouble-shooting.

This may not be your problem but yours struck a chord with me as I just went through the same frustration. I was about to go postal on the garage at one point J

 

Mark

 

From: mbcoupes-bounces at mbcoupes.com [mailto:mbcoupes-bounces at mbcoupes.com] On Behalf Of Ronny 560sec
Sent: December-16-10 8:31 AM
To: Mercedes Coupes Mailing Lists
Subject: [W126 Coupe] Brakes and air

 

My 1987 560 SEC have a major brake job for front and back and the garage, I come there for the last 20 years, also decided to replace the brake fluid.

But they have a problem with bleeding out the air. After a couple hours the brakes start working the should do and I drove home. I went to the gas station to fill and started the engine. At that moment I felt that the brakes become soft and went nearly totally down again. I tried pumping, but that did not help.

Any help and idea is needed and thank you.

Ronny

 

 



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