Stiff brake pedal - Honda-Tech


Stiff brake pedal

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Old 10-26-2013, 12:14 PM   #1
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Default Stiff brake pedal

I have a 1995 honda civic ex with abs and I recently replaced the brake booster because the pedal was very hard to push but after replacing it and bleeding the brakes the pedal is still hard. Could the master cylinder possibly be bad?
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Old 10-26-2013, 12:19 PM   #2
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Default Re: Stiff brake pedal

replace your booster check valve(if it is there) if its not there then there is your problem.
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Old 10-26-2013, 12:44 PM   #3
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Default Re: Stiff brake pedal

Make sure the check valve is not on backwards. Basically, you have taken the power out of the power brakes. Vacuum air from the intake manifold provides the power.
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Old 10-26-2013, 03:11 PM   #4
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Default Re: Stiff brake pedal

You guys have a picture of this check valve?
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Old 10-26-2013, 07:55 PM   #5
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Default Re: Stiff brake pedal

Something similar to this:



I put one on backwards on my Prelude and it didn't have power brakes. After swapping the position back, it had power brakes again.
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Old 10-26-2013, 11:33 PM   #6
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Default Re: Stiff brake pedal

Quote:
Originally Posted by tony_2018 View Post
You guys have a picture of this check valve?
follow the main booster hose. I think its about a foot from the booster. The plastic valve
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Old 10-28-2013, 05:55 AM   #7
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Default Re: Stiff brake pedal

replaced the check valve and it fixed it. thanks.
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