Date: Mon, 21 Feb 2000 19:01:02 GMT From: hohnopsamove.se.NO_JUNK_EMAIL (Goran Larsson) Subject: Re: LOST BRAKES COMPLETLY
In article <88r0i2$ou2$1nopsam1.deja.com>, <malcolm532nopsameja.com> wrote: > Not sure about 9000's but the servo could be under the dash. The system > is basically the same as a 900. Older 9000 with ABS does not have a traditional brake servo. Instead they have a high pressure pump to get enough pressure in the brake fluid. The buzz that can be heard for up to half a minute after ignition on is the pump building up the pressure in a pressure tank. If the pump fails then the brake pedal will be very stiff, front brakes will continue to work (but will be hard to use) but the rear brakes will be completely dead. If the pedal goes to the floor then either fluid is leaking, the master cylinder (inside the ABS unit) has failed, or the ABS unit completely broke down and opened the brake release valves. -- Göran Larsson hoh AT approve DOT se I was an atheist, http://home DOT swipnet DOT se/hoh/ until I found out I was God.
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