S2000 Under The Hood S2000 Technical and Mechanical discussions.

spongy brakes until third pump problem.

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Old May 27, 2015 | 02:53 PM
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Default spongy brakes until third pump problem.

so i bought some ss brake lines and installed them last week and never had to bleed the brakes myself until then. ive tried the two person method, gravity, and with a mighty vac bleeder but still spongy brakes almost to the floor while driving until about the third pump. anybody else had this same problem before? i dont see any air comin out anymore when i bleed.
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Old May 27, 2015 | 03:04 PM
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maybe the master went dry as you where replacing the lines? try bleeding all four wheels starting RR RL FR FL in this order add fluid as you go. is fluid coming out strong when you bleed them?
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Old May 27, 2015 | 04:08 PM
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yup tried that order also. fluid was comin out full stream with no air too with my friend on the brakes. hoping its nor the master since this only started when i replaced the lines.. do i just need to keep bleeding? im wasting so much fluid!
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Old May 27, 2015 | 06:13 PM
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Be extra sure there is no seepage at line connections. Especially the flared connection. Seen this 1x time before with a brand new line. It was defective.
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Old May 27, 2015 | 06:41 PM
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Originally Posted by postman
Be extra sure there is no seepage at line connections. Especially the flared connection. Seen this 1x time before with a brand new line. It was defective.
yup, so far no new wet areas after cleanin up all ends. im stumped.
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Old May 28, 2015 | 09:08 AM
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I hope your master isn't leaking into the booster, this is rare with these cars but can cause those symptoms.
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Old May 28, 2015 | 02:24 PM
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hmm i hope not but ill maybe have to take everything apart soon..
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Old May 28, 2015 | 04:17 PM
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Originally Posted by cleenyc99
maybe the master went dry as you where replacing the lines? try bleeding all four wheels starting RR RL FR FL in this order add fluid as you go. is fluid coming out strong when you bleed them?
can the master go dry jus from switchin lines?
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Old May 28, 2015 | 04:56 PM
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What happens if you pump the brakes, then keep pressure on the pedal? Does the pedal start to go down to the floor? If so... maybe a leaky seal in the master.
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Old May 29, 2015 | 04:59 AM
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Originally Posted by windhund116
What happens if you pump the brakes, then keep pressure on the pedal? Does the pedal start to go down to the floor? If so... maybe a leaky seal in the master.
i havnt tried that yet but will check today! thanks
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