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#1
10-09-2004, 08:18 AM
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brake failure
i have a e 250 1997 diesel model, after a few hours of driving the brake pedal goes in and the Abs light goes on.I have changed the front and the rear discs brake pad and tube set.Bleeding the hydraulic system after a few operations the pedal goes down completely. also i have replaced the master cylinder assembly and brake boosters and filled the recommended oil, kindly find a way out for me
thanks in advance Maria 
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#2
10-09-2004, 09:42 AM
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Vacuum Pump
How is the vacuum at the brake booster?
__________________
1984 300D Turbo Sedan (Hilda) 272,115 miles.....  Anthracite Gray/Palamino Leather, I am 3rd owner 2001 Dodge Stratus (Silver) (wifes) 55814 miles...  1982 280TE Wagon Astral Silver Metallic/ Anthracite Velour 260,512 miles (Eva) 1969 230 Sedan Olive Green/Black MBTex 4 Speed Manual 84,213 miles ???? Haus Frau 2004 Boreem Ninja Pocket Bike Highly Modified 49cc (Ling Ling) Einigkeit und Recht und Freiheit
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#4
10-09-2004, 02:34 PM
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Quote:
__________________
Proud owner of .... 1971 280SE W108 1979 300SD W116 1983 300D W123 1975 Ironhead Sportster chopper 1987 GMC 3/4 ton 4X4 Diesel 1989 Honda Civic (Heavily modified) --------------------- Section 609 MVAC Certified --------------------- "He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you." - Friedrich Nietzsche
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#5
10-09-2004, 02:38 PM
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Sounds like you have a rusty brake line.. do you live in an area which gets alot of snow, and road salt?
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#6
10-09-2004, 05:22 PM
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Your ABS unit may have an accumulator which is basically a pressure chamber with a spring behind it. This makes bleeding very difficult because you have to actuate the ABS to get the air out of it. The shadetree method is to bleed as best you can. Get the correct order of which wheels to bleed from the manual. Bleed the best that you can. Go out on a soft surface and lock up the brakes a few time to actuate the ABS. Go back and bleed again. Repeat until who knows when? I think I did it about three times. This will be controversial to some and truthfully I don't know if it applies to all ABS systems. Value this advice for what it cost you.
Don't take chances with your brakes or steering. If you are not sure they are safe, get professional help. You are not just risking your own safety but the safety of everyone around you. Recommended oil ?
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#7
10-09-2004, 05:59 PM
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Answers:
Read these two threads...
Power Bleeder or what? http://www.peachparts.com/shopforum/showthread.php?t=103226&highlight=brake+bleeder 126 Brakes http://www.peachparts.com/shopforum/showthread.php?t=103891&highlight=brake+bleeder
__________________
ASE Master Mechanic asemastermechanic@juno.com Prototype R&D/testing: Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician. Noise Vibration and Harshness (NVH). Dynamometer. Heat exchanger durability. HV-A/C Climate Control. Vehicle build. Fleet Durability Technical Quality Auditor. Automotive Technical Writer 1985 300SD 1983 300D 1984 190D 2003 Volvo V70 2002 Honda Civic https://www.boldegoist.com/
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