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Low Brake Pedal 900 1994

posted by  tedv on  Wed Feb 8 19:14 CST 2012
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last visit: Sat Oct 18 10:51 CST 2014
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1994 945T, 175k. The Brake Pedal feels low and traveling a little too far down, does not have a good firm feel I am used to but the brake performance is OK. I replaced the master cyl., bled the brakes, no change... The ABS light is ON all the time, and the diagnostic code is 1-1-1 (no faults)... Ideas?








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Low Brake Pedal 900 1994

posted by  tedv on  Thu Feb 9 19:42 CST 2012
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last visit: Sat Oct 18 10:51 CST 2014
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So, I play around with this issue, decide to test ABS function and sure enough, the ABS works, while engaging the ABS the light goes OFF!Then while driving around, I get SRS flicker! Now what!? Then it dawns on me, Voltage Problem!!!
Sure enough, voltage is surging, up to 18V! Fluctuating between 13 and 18... So, changed the Voltage Regulator, and the ABS issue is solved!

As for the low pedal, I'll throw some rear pads on as they seem thin, and bleed again all 4, and see...








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Low Brake Pedal 900 1994

posted by  Gus123 on  Thu Feb 9 21:52 CST 2012
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last visit: Fri Oct 24 12:54 CST 2014
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You can replace the pads, but the low brake pedal will continue if one of the calipers is not operating properly.








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Low Brake Pedal 900 1994

posted by  tedv on  Fri Feb 10 01:07 CST 2012
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last visit: Sat Oct 18 10:51 CST 2014
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Yeah, see, all the pads are wearing evenly, there is no pulling whatsoever, so, no, thanks, but I DON'T HAVE A FROZEN CALIPER!








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Low Brake Pedal 900 1994

posted by  tedv on  Fri Feb 10 13:30 CST 2012
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last visit: Sat Oct 18 10:51 CST 2014
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So, ALL IS WELL.
New rear pads, good bleeding, pedal is fine...








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Low Brake Pedal 900 1994

posted by  Gus123 on  Wed Feb 8 19:55 CST 2012
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last visit: Fri Oct 24 12:54 CST 2014
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Hi,

You probably have at least one frozen caliper.







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