Randy, as you correctly surmised, these symptoms indicate a failed (interlally leaking) master cylinder. Fortunately, the part is not expensive and widely available, maybe even for a W115.
On Thu, Jun 11, 2015 at 2:36 PM, Randy Bennell via Mercedes < mercedes@okiebenz.com> wrote: > Winnipeg has rivers going north south - The Red and east west - The > Assiniboine so I thought that sort of fit. > > My good old 76 115 300D had a hiccup this morning, which is totally unlike > it. > > I was at a light when the car creeped ahead. I thought I had a senior > moment and had failed to keep my foot firmly planted on the brake. > I stepped harder and it sat there for the duration of the red light, but > on the next block, I stepped on the brake pedal and it essentially sank to > the floor. Not a good thing in traffic. > I drove it the few blocks home at lunch and put it back in the garage but > something is wrong. It brakes but not very hard and pumping the pedal does > not all that much to make it better. > > It feels like when one presses on the pedal while another bleeds the > brakes. It just slowly descends until close to the floor. > > I have looked where it was parked and do not see any puddles of fluid. > The resevoir does not look to be down. > > I shall have to look a bit closer to see if there is something leaking. > > If not, then I suspect the master cylinder is leaking internally. > > Anyone have a better conclusion based upon the symptoms? > > If so, is there a kit to repair or am I compelled to replace the whole > thing? > In either case, where would one best look for parts? > > RB > > > _______________________________________ > http://www.okiebenz.com > > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
