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Brake Pedal Too Stiff!! Help with diagnosis ASAP!!

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Old 03-28-2006, 06:22 AM
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Default Brake Pedal Too Stiff!! Help with diagnosis ASAP!!

For the last three weeks my brake pedal has felt stiff upon pressing it, my stopping time has lessen...to give evidence to this when a lady ran a light, despite me seeing her, jamming on the brakes did not hold up and resulted in this....


What could be the problem? The car barely wants to stop, and the pedal feels like it can only sink half the normal distance before getting overly stiff!!
Old 03-28-2006, 06:45 AM
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Default Re: Brake Pedal Too Stiff!! Help with diagnosis ASAP!! (hondamonkey)

time for new brake fluid......start with that might want to get a helms manuel and look in there.
Old 03-28-2006, 06:56 AM
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Default Re: Brake Pedal Too Stiff!! Help with diagnosis ASAP!! (stoopid monkey)

You think thats it? Does old brake fluid have that effect??
Old 03-28-2006, 07:05 AM
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Default Re: Brake Pedal Too Stiff!! Help with diagnosis ASAP!! (hondamonkey)

I would jus get new brakes
Old 03-28-2006, 08:05 AM
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Default Re: Brake Pedal Too Stiff!! Help with diagnosis ASAP!! (stoopid monkey)

Has it been using a lot of brake fluid. If so then more than likely the master cylinder has been leaking fluid into the brake booster and it is now full to the point of hydraulicly locking the booster. Also check the main vacuum line to the brake booster to check for a blockage.
Old 03-28-2006, 11:01 AM
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Default Re: Brake Pedal Too Stiff!! Help with diagnosis ASAP!! (tpr)

I'm havent noticed it using up braking fluid, in fact its filled up nicely and i havent touched it in a year.
Old 03-28-2006, 11:11 AM
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Default Re: Brake Pedal Too Stiff!! Help with diagnosis ASAP!! (hondamonkey)

brake booster or vacuum line to brake booster...
edit:
knotice any idle problems or surging?
Old 03-28-2006, 11:17 AM
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Default Re: Brake Pedal Too Stiff!! Help with diagnosis ASAP!! (miahmouse)

yea as a matter a fact i do! WHAT is that an indication of??
Old 03-28-2006, 11:23 AM
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Default Re: Brake Pedal Too Stiff!! Help with diagnosis ASAP!! (hondamonkey)

Brake booster/vacuum line to brake booster/one-way valve inline to brake booster has gone **** up...
They make rebuild kits for the boosters, the vacuum line and the valve are cheap new.

remove the vacuum line + plug it. If there's no leaks in the line & the idle straightens out then it's a diaphram or seal in the booster or the valve is shot...
edit:
sorry to see the damage...
Old 03-28-2006, 11:39 AM
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Default Re: Brake Pedal Too Stiff!! Help with diagnosis ASAP!! (miahmouse)

How much do the booster or the valve cost if i have to replace them??And
Thanks man! 71 year old lady ruined my life for like 2 weeks until i got my baby back!! Put in ctr replicas also....




Modified by hondamonkey at 10:33 PM 3/28/2006
Old 03-28-2006, 12:03 PM
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Default Re: Brake Pedal Too Stiff!! Help with diagnosis ASAP!! (hondamonkey)

For the vacuum tube, its $11.54 off of http://www.HondaAutomotiveParts.com

I have a 99 4dr EX so i looked it up for mine. http://www.hondaautomotivepart...POWER

it is #9 on the list and in the picture.
You might want to pay the extra(shouldnt be too much at all extra considering from the net u pay shipping) and buy it at ur local dealer so you will have it sooner
Old 03-28-2006, 12:27 PM
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Default Re: Brake Pedal Too Stiff!! Help with diagnosis ASAP!! (silentblackhat)

good luck with your brakes guy and keep that ex safe
Old 03-28-2006, 09:35 PM
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Default Re: Brake Pedal Too Stiff!! Help with diagnosis ASAP!! (R-81DC2)

EX.....i hope you not talkin about my Si...lol
Old 03-28-2006, 09:49 PM
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Default Re: Brake Pedal Too Stiff!! Help with diagnosis ASAP!! (hondamonkey)

99% of time, stiff pedal=bad booster. Check that first.
Old 03-29-2006, 05:58 AM
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Default Re: Brake Pedal Too Stiff!! Help with diagnosis ASAP!! (fast88std)

I can't find a price for the brake booster, is it expensive and is it hard to install?
Old 03-29-2006, 06:18 AM
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Default Re: Brake Pedal Too Stiff!! Help with diagnosis ASAP!! (hondamonkey)

I found some prices (not happy), but how hard is it to install?
Old 03-29-2006, 09:45 AM
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Default Re: Brake Pedal Too Stiff!! Help with diagnosis ASAP!! (hondamonkey)

I'd say it's a medium level PITA job to do... can be a little tight getting the old one out.

Did you check the vacuum line going into the booster first?
Old 03-29-2006, 10:41 AM
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Default Re: Brake Pedal Too Stiff!! Help with diagnosis ASAP!! (miahmouse)

I think its the vacuum line....im gonna check it after i get out of class if its still warm out.
Old 03-29-2006, 07:00 PM
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Default Re: Brake Pedal Too Stiff!! Help with diagnosis ASAP!! (hondamonkey)

i posted the link for the price sof the booster and the vacuum lines...did you see that above?
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