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#1
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![]() Quote:
Never use silicone = DOT5 fluid in any ABS system that does not call for it… Silicone brake fluid can be bad in any system not made for it. A friend changed his MGA to silicone, went to Europe for five years, returned home, dropped fuel and a new battery in the car, and drove off to visit a friend. ![]() The seventh time on the brakes there was a hard kick from the brake pedal, then no brakes at 70 MPH in expressway traffic, coming up on a construction zone. ![]() He hit the ditch and wrecked the car in trees. ![]() The insurance investigator proved that while the silicone did not absorb any moisture, the system still accumulates moisture, under the wrong conditions = long storage no driving. ![]() The system gets hot; moisture flashes to steam and explodes the weakest point in the system. ![]() In his case the flex hoses burst. ![]() This is a safety system. You do not want to explain to a judge why you changed the specification of fluid for a safety system. ![]()
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ASE Master Mechanic https://whunter.carrd.co/ 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 2003 Volvo V70 https://www.boldegoist.com/ Last edited by whunter; 10-11-2004 at 10:13 AM. |
#2
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Quote:
VERY, VERY true. Only use the type of brake fluid recomended by your manufacturer. And NEVER, EVER mix types.
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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 |
#3
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OK, 1. I know silicone is not recommended in ABS systems, I assumed that was commonly known and shouldn't have 2. Switching to silicone makes sense IMHO only if the whole system is being adressed at once, because the old brake fluid needs to be thoroughly flushed out of everything. I've done it twice and that was when EVERYTHING was replaced:new metal lines, new hoses, new or rebuilt wheel cylinders - probably not practical for most MB owners with the cost of parts today 3. Simply draining the system and refilling with silicone is NG, that's probably what the guy did with the MBA. If he left moisture in the system when he drained it, it was still there. He wouldn't have been safe if it was filled with DOT3 either. So I retract my recommendation of silicone fluid to everyone except those few who would remove all of the old fluid
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'82 300SD - 361K mi - "Blue" "Good judgement comes from experience. Experience comes from bad judgement." listen, look, .........and duck. |
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