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Old 09-01-2011, 11:49 AM   #1
zero2005
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Default Best Way to Bleed brakes?

Just wondering, whats the best way to bleed the brakes? i have an 03 with traction control & ABS.

i was readnig somewhere that if u let the Master Cylinder drain completely you need to Prime/Bench Bleed the MC? i swapped to stainless steel lines in the front (will do backs later), as well as had to buy a new caliper for the front left b/c the bleeder broke off.

i've bled all 4 corners, and the MC while in the car, but the pedal is still REAL squishy, and with the car on, there's like no pressure at all and it just goes to the floor? i've been considering getting a vacuum bleeder.

also, does the ABS/traction control module have a bleeder? or is there a special "bleed mode"?
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2003 Mustang GT, 5-spd, TurboCharged
On3Performance Turbo kit (MasterPower T70, .68 A/R)
QA1 tubular front end, QA1 C/O struts (GARBAGE! AVOID QA1!)
MMR750, MHS stage 1 heads, stage 2 turbo cams, Spec stage 2+
Megasquirt firing LS1 truck coils. Edelbrock Vic Jr & Holley 4778 Carb.
She Breathes!

1989 Camaro RS, 305 TBI, 700r4 - few mods, current DD
next project... (LQ4 swap, megasquirt, ford 8.8, and double wishbone front-end?)

Last edited by zero2005; 09-01-2011 at 01:43 PM.
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Old 09-01-2011, 03:00 PM   #2
MrTDR04
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Start with your right rear and bleed it completely through then left rear then right front and final left front. You want to start with the longest line first and work your way down. If there is no improvement then you could have a small MC piston leak or something
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Old 09-01-2011, 04:00 PM   #3
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did that three times, no improvement. i did let the MC drain empty.
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2003 Mustang GT, 5-spd, TurboCharged
On3Performance Turbo kit (MasterPower T70, .68 A/R)
QA1 tubular front end, QA1 C/O struts (GARBAGE! AVOID QA1!)
MMR750, MHS stage 1 heads, stage 2 turbo cams, Spec stage 2+
Megasquirt firing LS1 truck coils. Edelbrock Vic Jr & Holley 4778 Carb.
She Breathes!

1989 Camaro RS, 305 TBI, 700r4 - few mods, current DD
next project... (LQ4 swap, megasquirt, ford 8.8, and double wishbone front-end?)
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Old 09-01-2011, 05:53 PM   #4
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You may need to bench bleed it then. Sounds like you have a air lock in it that won't bleed through.
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Old 09-01-2011, 06:18 PM   #5
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Quote:
Originally Posted by MrTDR04 View Post
You may need to bench bleed it then. Sounds like you have a air lock in it that won't bleed through.
damn... wonder how painful of a process that is.. never done it, only read about it for other cars... was thinkin a vacuum bleed might work, but i'm getting fluid out with the 2 man method and 0 bubbles...
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2003 Mustang GT, 5-spd, TurboCharged
On3Performance Turbo kit (MasterPower T70, .68 A/R)
QA1 tubular front end, QA1 C/O struts (GARBAGE! AVOID QA1!)
MMR750, MHS stage 1 heads, stage 2 turbo cams, Spec stage 2+
Megasquirt firing LS1 truck coils. Edelbrock Vic Jr & Holley 4778 Carb.
She Breathes!

1989 Camaro RS, 305 TBI, 700r4 - few mods, current DD
next project... (LQ4 swap, megasquirt, ford 8.8, and double wishbone front-end?)
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Old 09-02-2011, 12:56 PM   #6
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You can try but don't have high hopes for it. Another thing you can try is the old one man break bleed. Start in the morning and just crack open all 4 bleeders just a little and watch the fluid over the day as to makr sure your MC does not empty again and the next morning go out there and close it all up. It's a long process but it might bleed out.
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Old 09-02-2011, 01:31 PM   #7
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i think i'd rather just try a ghetto vacuum pump setup first at least. shopvac, jar, and some tubing. saw it done once, but never really considered it b/c i've always bled normally the 2 person way.
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2003 Mustang GT, 5-spd, TurboCharged
On3Performance Turbo kit (MasterPower T70, .68 A/R)
QA1 tubular front end, QA1 C/O struts (GARBAGE! AVOID QA1!)
MMR750, MHS stage 1 heads, stage 2 turbo cams, Spec stage 2+
Megasquirt firing LS1 truck coils. Edelbrock Vic Jr & Holley 4778 Carb.
She Breathes!

1989 Camaro RS, 305 TBI, 700r4 - few mods, current DD
next project... (LQ4 swap, megasquirt, ford 8.8, and double wishbone front-end?)
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Old 09-02-2011, 02:13 PM   #8
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Wow I didn't even think about your abs another thing to try before you go buy that vac. Crack those 4 lines and hot wire the pump you probably have air in there and use the pump to bleed it out or if you have a friend that's a mechanic have him bring his computer over and he can just turn it on from there. A lot less work and could solve everything for ya.
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Old 09-02-2011, 02:51 PM   #9
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yea maybe. the thing is i get fluid out of all 4 corners when i pump the pedals. im sure there's probably still air in there tho. i'm in spain right now, so it'll have to wait till i get back. been thinking bout getting one of those ABS/TC delete blocks that basically just bypasses everything.
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2003 Mustang GT, 5-spd, TurboCharged
On3Performance Turbo kit (MasterPower T70, .68 A/R)
QA1 tubular front end, QA1 C/O struts (GARBAGE! AVOID QA1!)
MMR750, MHS stage 1 heads, stage 2 turbo cams, Spec stage 2+
Megasquirt firing LS1 truck coils. Edelbrock Vic Jr & Holley 4778 Carb.
She Breathes!

1989 Camaro RS, 305 TBI, 700r4 - few mods, current DD
next project... (LQ4 swap, megasquirt, ford 8.8, and double wishbone front-end?)
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Old 09-02-2011, 06:19 PM   #10
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That would work too ha ha. Stationed or vacation?
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Old 09-02-2011, 06:19 PM
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