Fred, That's my thought. Rusty's quote shows rebuild kit is not too much cheaper than a new MC, so I'll probably go that route. (sigh). The power steering pump is also leaking...
-Max (with a very expensive "cheap" Mercedes) -----Original Message----- From: mercedes-boun...@okiebenz.com [mailto:mercedes-boun...@okiebenz.com] On Behalf Of Fred Moir Sent: Friday, December 10, 2010 4:22 PM To: Mercedes Discussion List Subject: Re: [MBZ] Symptom - sinking brake pedal Max, et al. M/cyl bypassing its' seals. Rebuild or replace. Worse in the cold, seals not as flexible. Fred Moir Lynn MA On 12/10/2010 3:59 PM, Max Dillon wrote: > OK folks, check my work here. After rebuilding the calipers on my '95 E300, > the service manual says to apply hard pressure to the brake pedal for a > short period of time, and then check for evidence of leaks. When I did this > test, no sign of any leakage, but the brake pedal slowly sank while I stood > on the pedal. I think the master cylinder is probably bad. > > > > This car also has a very soft brake pedal feel compared to my '87 wagon; > feels a lot more like the '72 Buick I used to drive in high school. I've > bled the system with my pressure bleeder, and now it has new rotors and new > Akebono ceramic pads at all four corners. All this work did little to > improve the pedal feel (had Pagid pads on it when I got the car). The car > stops just fine, but the pedal is too soft in my opinion. This car was > driven by the PO with a failed vacuum pump, so maybe something was damaged > by too much driving with no vacuum assist? > > > > > > Very respectfully, > /s/ > Max Dillon > Charleston SC > '87 300TD 332k miles > > '95 E300 277k miles > > '73 Balboa 20 > > > > > > _______________________________________ > http://www.okiebenz.com > For new and used parts go to www.okiebenz.com > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com