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Old 10-09-2009, 03:36 PM   #1 (permalink)
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Default soft brake pedal

How do you tell if a soft brake pedal is due to air in the line or a frozen/bad caliper?

The top of my brake pedal is soft and has no braking force for the first inch or two of pedal movement. But past that first inch or two, the brakes work normally. They easily stops the car without the pedal traveling any further to the floor. Oh, one other thing, I just replaced all 4 pads and rotors with Subaru OEM parts, but never bled the brakes.

Thanks.

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Old 10-09-2009, 04:29 PM   #2 (permalink)
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I don't have an answer to your question, but it couldn't hurt to bleed them.
My brakes were exhibiting the same symptoms. I just flushed the system with new fluid (lots of air bubbles came out in the process) a couple of days ago and they feel much better now.
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Old 10-09-2009, 05:14 PM   #3 (permalink)
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Soft or too much free play?
If it soft it would firm up after a couple pump.

If its stays the same you just need to re-adjust the brake pedal free play. There is a rod that could be adjusted on the brake pedal. You just need to loosen the lock nut and adjust the brake rod length a little bit.
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Old 10-10-2009, 05:08 AM   #4 (permalink)
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Don't readjust anything. Brake work has a few fundamentals that need to be taken cre of before any tinkering goes on: bleeding the brakes is one of them.

I would venture to guess that since you haven't even bled the brakes that there is almost no chance that you've actually flushed/replaced the brake fluid any time in recent years. Take this opportunity to pick your favorite brake fluid and flush the whole shebang. Get ALL air out of the system and then put a few miles on it and see how you feel then.
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Old 10-10-2009, 05:14 AM   #5 (permalink)
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Quote:
Originally Posted by noahrexion View Post
Don't readjust anything. Brake work has a few fundamentals that need to be taken cre of before any tinkering goes on: bleeding the brakes is one of them.

I would venture to guess that since you haven't even bled the brakes that there is almost no chance that you've actually flushed/replaced the brake fluid any time in recent years. Take this opportunity to pick your favorite brake fluid and flush the whole shebang. Get ALL air out of the system and then put a few miles on it and see how you feel then.
I agree. Also, (since I don't know the year of your car), the rubber brake lines could also be expanding under the pressure of the fluid. You can replace these with either new OEM ones or braided stainless steel lines as well, just really depends on how old your car is. But I would start with flushing the system with new fluid and bleed them.
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Old 10-12-2009, 11:40 AM   #6 (permalink)
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blue fox. where did you get that bull bar from?
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Old 10-12-2009, 11:53 AM   #7 (permalink)
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try rallyinnovations.com
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