Brake pedal problem
Thread Starter
Honda-Tech Member
Joined: May 2007
Posts: 290
Likes: 2
Brake pedal problem
I have a problem with brakes.
When i fully bleed the system properly with the car both on and off and expell all air bubbles even using a hammer and tapping the calliper.
My pedal pumps up to a high Point and all feels well when car is off ( no Vacuum).
But when i start the car the pedal travels down almost past half way and the stopping power is useless.
I have new rotars and pads all round?
The car is a civic. 94 coupe.
All info much appreciated.
When i fully bleed the system properly with the car both on and off and expell all air bubbles even using a hammer and tapping the calliper.
My pedal pumps up to a high Point and all feels well when car is off ( no Vacuum).
But when i start the car the pedal travels down almost past half way and the stopping power is useless.
I have new rotars and pads all round?
The car is a civic. 94 coupe.
All info much appreciated.
Honda-Tech Member
Joined: Aug 2004
Posts: 4,167
Likes: 2
From: Atlanta
Re: Brake pedal problem (EJ1B18c)
If you are ABSOLUTELY sure the brakes are bled properly and there is NO AIR in the system, you may have a bad brake master cylinder.
Try this..
With the engine off,pump the pedal until it gets hard. When it does,keep pressure on it. Do you feel the pedal sink at all? If so and you have NO external leaks,you most likely have a bad master cylinder.
If it doesnt sink, you may just need to adjust the master cylinder pushrod.
When did all this start?
Was it working correctly before?
FYI- This forum is for ALL MOTOR setups/advice/suggestions/questions. Just warning you now before everyone starts jumping your ****,LOL
Try this..
With the engine off,pump the pedal until it gets hard. When it does,keep pressure on it. Do you feel the pedal sink at all? If so and you have NO external leaks,you most likely have a bad master cylinder.
If it doesnt sink, you may just need to adjust the master cylinder pushrod.
When did all this start?
Was it working correctly before?
FYI- This forum is for ALL MOTOR setups/advice/suggestions/questions. Just warning you now before everyone starts jumping your ****,LOL
HRD PKR
Joined: Nov 2005
Posts: 13,211
Likes: 0
From: Gods wonderland
Re: Brake pedal problem (EJ1B18c)
Did you bleed the brakes in this order?
RR,LR,RF,LF?
I dont understand why you need a hammer to bleed brakes...Do you know how to properly bleed brakes?http://www.hondatuningmagazine.com/t...kes/index.html
RR,LR,RF,LF?
I dont understand why you need a hammer to bleed brakes...Do you know how to properly bleed brakes?http://www.hondatuningmagazine.com/t...kes/index.html
Honda-Tech Member
Joined: Oct 2004
Posts: 1,654
Likes: 1
From: cincinnati
Re: Brake pedal problem (B16B_coupe)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by B16B_coupe »</TD></TR><TR><TD CLASS="quote">
I dont understand why you need a hammer to bleed brakes...
</TD></TR></TABLE>
ya, whats tapping it with a hammer going to do? if you think a bubble is stuck, pump that bitch out.
Modified by Brick Top at 8:46 PM 1/31/2008
I dont understand why you need a hammer to bleed brakes...
</TD></TR></TABLE>
ya, whats tapping it with a hammer going to do? if you think a bubble is stuck, pump that bitch out.
Modified by Brick Top at 8:46 PM 1/31/2008
Thread Starter
Honda-Tech Member
Joined: May 2007
Posts: 290
Likes: 2
Re: Brake pedal problem (Brick Top)
yea i tried holding pressure on the pedal with the car off and it holds ,does not sink.
it started when my front left passenger calliper was sticking so i took the piston out. cleaned it and put in back in. The brakes were good until some heavy braking one day and the pedal started travelling down and braking became ****.
I bled them in sequence.
I thing its a expletiveed master cylinder.
it started when my front left passenger calliper was sticking so i took the piston out. cleaned it and put in back in. The brakes were good until some heavy braking one day and the pedal started travelling down and braking became ****.
I bled them in sequence.
I thing its a expletiveed master cylinder.
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