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Old 06-07-2011, 04:17 PM   #1
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Default WTF Did I do to my brakes??? (Solved)

Changed out my leaky MC for a new one.
Now the pedal goes to the floor before they grab. Not spongy just excessive travel.
Bench bled MC, and bled brakes. Also ended up blowing out braided line. (Front Driver) Before calling it a day.

Adjust the pushrod?

Last edited by x808drifter; 06-09-2011 at 11:08 PM.
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Old 06-07-2011, 05:13 PM   #2
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Does it drop if you leave the car parked?
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Old 06-07-2011, 05:19 PM   #3
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No.
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Old 06-07-2011, 05:24 PM   #4
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Did you bench bleed it? I know tons of people who had issues with that because they didn't bench bleed it.
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Old 06-07-2011, 05:28 PM   #5
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1st post. Yes I did.
I assume not bench bleeding it would put a **** ton of air in the system.
I always bench bleed new MC's.
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Old 06-07-2011, 05:31 PM   #6
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Quote:
Originally Posted by x808drifter View Post
No.
Check your wheel bearings. If the pedal engages normally before you drive it, something is changing when you drive, and it's probably a bad wheel bearing. I finally, after chasing this problem for 18-months, swapped all 4-bearings with AMSoil grease and have never looked back.
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Old 06-07-2011, 05:34 PM   #7
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Check your wheel bearings. If the pedal engages normally before you drive it, something is changing when you drive, and it's probably a bad wheel bearing. I finally, after chasing this problem for 18-months, swapped all 4-bearings with AMSoil grease and have never looked back.
Oh, I think I miss understood. Thought you ment does it drop by itself If I leave it overnight.

Brakes were like that before I took the car out to see how hard they were grabbing.
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Old 06-07-2011, 05:38 PM   #8
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Replaced with same MC model/type/year?
Did you touch (your) pushrod?
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Old 06-07-2011, 05:40 PM   #9
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Replaced with same MC model/type/year?
Did you touch (your) pushrod?
1. Yes.

2. No

ATM I'm just waiting for the new brake lines to come in. Just want some ideas before I get under the car again.
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Old 06-07-2011, 05:48 PM   #10
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Quote:
Originally Posted by x808drifter View Post
Oh, I think I miss understood. Thought you ment does it drop by itself If I leave it overnight.

Brakes were like that before I took the car out to see how hard they were grabbing.
If you don't drive the car, leave it parked, and it never rolls, how does the pedal feel?
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Old 06-07-2011, 05:51 PM   #11
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Same.
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Old 06-07-2011, 05:54 PM   #12
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Quote:
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Same.
Adjust the rod.
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Old 06-07-2011, 05:58 PM   #13
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How do you adjust the rod?
Under dash or inside booster?


Edit: NVM I downloaded the service manual form the sticky.
Will update after I change the lines, bleed the system, and adjust the rod.

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Old 06-07-2011, 09:57 PM   #14
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Quote:
Originally Posted by x808drifter View Post
How do you adjust the rod?
Under dash or inside booster?


Edit: NVM I downloaded the service manual form the sticky.
Will update after I change the lines, bleed the system, and adjust the rod.
Do yourself a favor and reverse bleed and or tap the calipers, MC, and lines with a deadblow. You'll be surprised to see how much air comes out.
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Old 06-09-2011, 03:08 PM   #15
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Update: The entire system AFAIK has lost all fluid.
How should I got about bleeding the entire system?
I have bench bled the MC on the car.
No access to a power bleeder.

Also just to confirm bleed cylinder order, DR/PR/PF/DF? (D=Driver P=Passenger)
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Old 06-09-2011, 03:14 PM   #16
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Order of the fronts doesn't matter, they are on separate lines. You need to do the LR/DR corner before the RR/PR corner, though.

I don't know how I survived without a pressure bleeder for so long. You should really consider buying one.
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Old 06-09-2011, 04:02 PM   #17
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That's next on my list of maintenance items.
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Old 06-09-2011, 09:53 PM   #18
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Quote:
Originally Posted by Savington View Post
Order of the fronts doesn't matter, they are on separate lines. You need to do the LR/DR corner before the RR/PR corner, though.

I don't know how I survived without a pressure bleeder for so long. You should really consider buying one.
My legs thank you for buying one.
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Old 06-09-2011, 11:10 PM   #19
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Everything is fine now.

Pushrod did not need adjustment.
Probably the failing line that caused the problem.

Still think the pads are some sort of track pad, as they don't have any bite cold.
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Old 06-09-2011, 11:35 PM   #20
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Broken Motive brand bleeder, converted to reverse bleed = the easiest dry-line brake bleeding I've done, and you don't have to bleed the master. I haven't bled my brakes since November and I've done 6 track days on them, lol. I do conventional pedal pumping when I already have a good bleed.
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