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#1
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How do u change Booster without having to Bleed Master & Brakes?
I have to replace my Brake Booster, but to do so you need to disconnect your Master Cylinder to get space to put the Booster in. In order to do that, you must disconnect your Master Cylinder Brake Lines to get the Master out of the way. In doing that, brake fluid will leak and you will induce air into the Lines and have to bleed the ENTIRE SYSTEM. Looks like a 3 hour job to me! Any shortcuts?
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#2
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in my experience
on this job little fluid is lost and you can often get by wo bleeding them. but be careful upon start up. a small bubble in the line will not cause too much trouble and will often work its way out on its own.
tom w
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC] ..I also have a 427 Cobra replica with an aluminum chassis. |
#3
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I don't know of any shortcuts to changing the booster, but I do know that a MityVac hand pump is a lifesaver. I can bleed the entire brake system in about 10 minutes. My wife complained when I bought it. It didn't look like much and cost almost $50. But the first time I used it for bleeding brakes, actually I was replacing all the fluid in the lines, it saved a bunch of time. To me, it's worth it's weight in gold.
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#4
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depending on how much you trust your lines to flex, leave them connected to the MC and unbolt it from the booster and move it out of the way then just replace the booster and push the MC back in place.
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1980 500SE/AMG Euro 1981 500SEL Euro 1982 380SEL 1983 300TD 1983 500SEC/AMG Euro 1984 500SEC 1984 300TD Euro 1986 190E 2.3-16 1986 190E 2.3 1987 300D 1997 C36 AMG 2003 C320T 4matic past: 1969 280SE 4.5 | 1978 240D | 1978 300D | 1981 300SD | 1981 300SD | 1982 300CD | 1983 300CD | 1983 300SD | 1983 380SEC | 1984 300D | 1984 300D | 1984 300TD | 1984 500SEL | 1984 300SD | 1985 300D | 1986 300E | 1986 560SEL | 1986 560SEL/Carat | 1987 560SEC | 1991 300D 2.5 | 2006 R350 |
#5
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Quote:
This is how I changed mine with no ill effect.
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1977 300D Lost coolant while someone else was driving 1983 300D Can't run without oil 1985 300SD (gone but not forgotten) 1990 300TE 4matic Sold 1991 Yamaha Venture 1975 Kawsaki 250 triple 1974 Honda 200CL 1951 8N Ford 2008 Wildfire 650C |
#6
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Quote:
Just undid the nuts on the front of the MC and took the clutch res supply line off and plugged them both. Moved the master toward the front and down toward motor. It took a little time but was actually pretty easy. The hardest part is removing the upper left nut on the booster under the dash. Blackhawk angle head geared 13mm wrench fits the bill. We were not about to go through clutch bleed hell so we did it this way. Wouldn't do it any other way. |
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