Classic master cylinder problem. Re-sealing it might
alone do the job, you don't know if the inside of the
cyl is all rusty/nasty until you look. I have seen
ones that failed after many years, that did _not_
have a bore problem. That may vary with your usage
patterns, maintenance history, and
Just received my new ATE Master Cylinder from Gary for my 85 300D. $119.00
delivered to my front door in three days. My Indy ruined mine when I had him
install rear ATE calipers and pads.(From Gary) He flushed system and renewed
fluid while tearing up seals. :( They seem to figure out a
Randy wrote:
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.
If not, then I suspect the master cylinder is leaking
Here you go, Randy.
http://www.autohausaz.com/search/product.aspx?sid=b3tbpv45pvq2g4mclkt5ua2mmakeid=800016@Mercedesmodelid=1193666@300Dyear=1976cid=master
cylinder@master cylindergid=1836@Brake Master Cylinder
On Thu, Jun 11, 2015 at 4:12 PM, fmiser via Mercedes mercedes@okiebenz.com
wrote:
What is the collective view on rebuilt units?
If I could get a kit, I would have no qualms about putting it in but
those days seem to be behind us. I guess it is the result of labour
costs in the shops. People are not willing to pay the cost of having
kits installed - just faster and cheaper
I got a reman for like $40 for the 123. Not hard to put in, at that
price you can go through a bunch, though not sure why a reman would not
work, I think they just machine the bore and put in a slightly larger
plunger or o-rings, nothing too magic about that. The one I got had a
lifetime
What is the collective view on rebuilt units?
If I could get a kit, I would have no qualms about putting it in but
those days seem to be behind us. I guess it is the result of labour
costs in the shops. People are not willing to pay the cost of having
kits installed - just faster and cheaper
I feel like rebuilding a very old brake MC like yours is at best going to be
hit or miss, theres no telling how much corrosion is in there. I bet theres no
oversized cups or sleeves available so after you hone you might still need to
buy a replacement anyway...
For this I'd say buy a rebuilt,
Oh and I forgot to mention since this is a car that sits a lot when was the
last time you changed the brake fluid?
-Curt
From: Randy Bennell via Mercedes mercedes@okiebenz.com
To: Mercedes Discussion List mercedes@okiebenz.com
Cc: Randy Bennell rbenn...@bennell.ca
Sent: Thursday, June
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
Definitely master cylinder failure symptoms. Fluid is leaking past the cups on
the piston.
Dan
On 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
I recall a remanufactured MC I got for the 123 was only about $40 from
the FLAPS and was an easy swap except getting those fittings attached to
the hard lines lined up to catch the threads on it was a bugger. Not a
lot of slop in the hard lines to wiggle the fitting around. Then you
have to
On Thu, Jun 11, 2015, at 03:27 PM, Rich Thomas via Mercedes wrote:
I recall a remanufactured MC I got for the 123 was only about $40 from
the FLAPS and was an easy swap except getting those fittings attached to
the hard lines lined up to catch the threads on it was a bugger. Not a
lot of
I recall a remanufactured MC I got for the 123 was only about $40
from the FLAPS and was an easy swap except getting those fittings
attached to the hard lines lined up to catch the threads on it was a
bugger. Not a lot of slop in the hard lines to wiggle the fitting
around. Then you have to
DON'T use DOT3 BRAKE FLUID! Plan on buying a quart of DOT4 fluid
and thoroughly flushing the lines and calipers. Traditionally,
Castrol LMA/GT fluid was what to use, but it has become near
unobtanium.
You can consider switching to real DOT5 Silicone fluid, but it is
scarce too. They
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