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Handbrake light coming on

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Old 12-12-2007, 12:36 AM
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brake master cylinder?

This happened only this week on the Focus?

brake dash light flickered on & off.
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Old 12-12-2007, 12:45 AM
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Originally Posted by razzele,Dec 12 2007, 01:47 AM
Handbrake light doubles as a brake fluid level warning light on alot of cars. Once the pads are low the pistons are extended to keep them mated up with the discs. This results in a drop in the fluid level in the resevoir, leading to activation of the warning light.
That's the theory, but you need to get the fluid level right with brand new pads and disks. If you ever top up the fluid with half worn pads, the system doesn't work.

Topping up the fluid to make the light go away isn't a good solution.
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Old 12-12-2007, 03:06 AM
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[QUOTE=JG,Dec 11 2007, 06:00 PM] All this talk of low fluid and worn pads is starting to get me worried for Donington on Saturday
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Old 12-12-2007, 03:26 AM
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Colder fluid is more dense?
So as the car warms, the fluid expands .. and you are no longer on the limit?
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Old 12-12-2007, 03:54 AM
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Originally Posted by Bibbs,Dec 12 2007, 12:26 PM
Colder fluid is more dense?
Bit like the guy that asked the question
Thanks Bibbs.
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Old 12-12-2007, 04:05 AM
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Originally Posted by JG,Dec 12 2007, 12:54 PM
Bit like the guy that asked the question
Thanks Bibbs.

Just a guess on my part though
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Old 12-12-2007, 03:33 PM
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Topping up the fluid to make the light go away isn't a good solution.
AH but it is !

# If the only problem is the illuminated light, that problem has been solved !

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Old 12-12-2007, 03:42 PM
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Classic incident management vs problem management

(oh god, I'm quoting ITIL after all these years out of it...)
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Old 12-13-2007, 12:39 PM
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Mine did this, this morning as I skidded like fook on ice in my road. Stopped by going into the kerb! It's slippy out there, on ungritted roads, lucky I was only doing 15mph!
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Old 12-14-2007, 02:50 AM
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New Front pads and new brake fluid = No more Handbrake light

Ian, go easy out there we need to see you on the track tomorrow!
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