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02-24-2008, 08:56 PM
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#1 |
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Registered User
Join Date: Jan 2007
Location: Beaufort, SC
Posts: 244
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Brake!
When I hit the brakes the pedal goes all the way to the floor and the BRAKE light comes on...any ideas? It is a little low on brake fluid but there is what I think is enough for the brakes.
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02-24-2008, 09:03 PM
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#2 |
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20' Daredevil (Ret)
 
Join Date: May 2003
Location: Jefferson State
Posts: 13,622
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Re: Brake!
Air in the lines? Maybe just need to bleed the system. Does the pedal come up at all if you pump the brake pedal?
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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02-24-2008, 09:47 PM
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#3 |
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Old Skool Club
Join Date: Jun 2001
Location: Benton, AR "The Heart of Arkansas"
Posts: 10,880
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Re: Brake!
Define "a little low"...
Sounds like air in the lines, but could be problems with the master cylinder bypassing, if the light is coming on. Does pumping the pedal make a difference? I'm thinking it may. What happens if you pump it up, then just sit on the pedal? Does it slowly go away (go to the floor)? Do you see any evidence of brake fluid on the backside of the wheels? Are any wheels grabbing?
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Member Nr. 2770 '96 GMC Sportside; 4.3/SLT - Daily driven....constantly needs washed. '69 C-10 SWB; 350/TH400 - in limbo The older I get, the better I was. |
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02-24-2008, 10:29 PM
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#4 |
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Registered User
Join Date: Jan 2007
Location: Beaufort, SC
Posts: 244
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Re: Brake!
I havent been able to drive it around....but when I am pumping it is just going to the floor, and then the light comes on.
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02-24-2008, 10:32 PM
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#5 |
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State of Confusion!
 
Join Date: Jul 2002
Location: Gulfport, MS USA
Posts: 46,845
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Re: Brake!
You probably got a bad wheel cylinder and losing your fluid.
Or the MC is kaput. I'd start with checking wheel cylinders for leaks...after you fill the MC reservoir with fluid.
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Bill 1970 Chevy Custom/10 LWB Fleetside 2010 Toyota Tacoma PreRunner SR5 Double Cab - DD Member of Louisiana Classic Truck Club (LCTC) Bill's Gallery Life isn't tied with a bow, but it's still a gift. Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God! |
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02-24-2008, 10:44 PM
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#6 |
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Registered User
Join Date: Oct 2007
Location: Garageless, Missouri
Posts: 408
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Re: Brake!
The light comes on when the combination valve pushes the little pin through the center of it to one side or the other turning on the light. Maybe you have a leak. As long as the combo-valve is slid to one side or the other it may be hard to see a leak as that passage is closed off. Reset the combination valve, top of resivoir, and look for leaks. You may have to reset it more than once as when it detects a low pressure on one side it closes that side off so you still have some brakes. If no leaks are found, I would question master cylinder.
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R.I.P ESLL Even as the body dies the spirit lives on in the people you touched |
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