Replace the master cylinder, might be time for the booster as well.
Check the reservoir, if it has junk in it, then the MC has lost the
seals.
Bench bleed the MC, some kits come with the hoses. I purchased some
steel brake line to cut and bend for MC bleeding. Your son can be the assistant for the brake bleeding. Check the brake hoses, mine
were shot. NAPA had Semperit brake hoses.
From: diesel_mercedes@yahoogroups.com [mailto:diesel_mercedes@yahoogroups.com]
Sent: Friday, June 13, 2014 3:20 PM
To: diesel_mercedes@yahoogroups.com
Subject: [diesel_mercedes] 1984 300SD - Sylvia's got squishy brakes...
Just started today, pump the pedal, brakes quickly and strong with boost, hold at idle and eventually goes to the floor but holds. Pump and is back up top, slowly fades to floor. Not good. Seems like fluid pressue related not vac - checked fluid reservoir and seemed ok, but will keep an eye on. Afraid it may be in master or booster. Any / all suggestions welcome - my son slammed on the brakes a few times today by mistake while he was driving an wondering if it's related. Too late if so, but one more piece of data. Thx in advance, wish me luck :-)
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Posted by: "Atwood,Warren" <Warren.Atwood@altramotion.com>
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