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The 8th Gen Riviera Resource
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| | Yeesh, brakes... |  |
| | | Author | Message |
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IBx1
Expert
Name : ILAN
Age : 33
Location : College Station, TX
Joined : 2007-12-30
Post Count : 4304
Merit : 69
| | Subject: Yeesh, brakes... Tue Feb 19, 2008 12:51 am | |
| My brake pedal is playing games with me. This problem just came up all of a sudden on my way home after an hour long drive to nowhere and back. When I apply the brakes and keep even pressure, they work fine. When I go to coast down a hill the other day, I find out that when I decrease pressure on the pedal, the brakes disengage, and the pedal has travel all the way to the floor before they work again. If I let off all the way and begin pressing again, the brakes come back, but again if I decrease pressure at all they give out.
Do I need to have them readjusted, is there something wrong with the line, or what? We're scheduling our first visit with the mechanic this or next Saturday, and I want to know what to tell him to look at. How expensive does this sound? I'm expecting around $200.
Last edited by on Tue Feb 19, 2008 1:00 am; edited 1 time in total | |
| | | | AA
Administrator
Name : Aaron
Age : 47
Location : C-bus, Ohio
Joined : 2007-01-13
Post Count : 18452
Merit : 252
| | Subject: Re: Yeesh, brakes... Tue Feb 19, 2008 12:58 am | |
| MOVED TO: SUSPENSION & HANDLING, F-BOMB REMOVED FROM SUBJECT LINE
Problem is leaking piston in master cylinder. _________________ '05 GTO 6.0L • 6-spd • 95k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26'95 Celica GT 2.2L • 5-spd • 165k miles • 0-60: yes'98 SC Riviera • 281k miles • 298 HP/370 TQ • 0-60: 5.79s • ET: 13.97 @ 99.28 • 4087 lb • 20.1 avg MPG • Nelson Ledges Lap: 1:30
3.4" pulley • AL104 plugs • 180º t-stat • FWI w/K&N • 1.9:1 rockers • OR pushrods • LS6 valve springs • SLP headers • ZZP fuel rails
KYB GR2 struts • MaxAir shocks • Addco sway bars • UMI bushings • GM STB • Enkei 18" EV5s w/ Dunlop DZ101s • F-body calipers
EBC bluestuff/Hawk HP plus • SS lines • Brembo slotted discs • DHP tuned • Aeroforce • Hidden Hitch^^^ SOLD ^^^  '70 Ninety-Eight Holiday Coupe 455cid • 116k miles^^^ SOLD ^^^ | |
| | | | IBx1
Expert
Name : ILAN
Age : 33
Location : College Station, TX
Joined : 2007-12-30
Post Count : 4304
Merit : 69
| | Subject: Re: Yeesh, brakes... Tue Feb 19, 2008 1:00 am | |
| Sorry 'bout that. How hard/expensive is that to fix? The words 'leak' and 'master cylinder' together don't usually turn out well......Would I have to get any replacement parts? | |
| | | | AA
Administrator
Name : Aaron
Age : 47
Location : C-bus, Ohio
Joined : 2007-01-13
Post Count : 18452
Merit : 252
| | Subject: Re: Yeesh, brakes... Tue Feb 19, 2008 1:03 am | |
| About $50, can do in an afternoon with someone around who's done this type of work before. _________________ '05 GTO 6.0L • 6-spd • 95k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26'95 Celica GT 2.2L • 5-spd • 165k miles • 0-60: yes'98 SC Riviera • 281k miles • 298 HP/370 TQ • 0-60: 5.79s • ET: 13.97 @ 99.28 • 4087 lb • 20.1 avg MPG • Nelson Ledges Lap: 1:30
3.4" pulley • AL104 plugs • 180º t-stat • FWI w/K&N • 1.9:1 rockers • OR pushrods • LS6 valve springs • SLP headers • ZZP fuel rails
KYB GR2 struts • MaxAir shocks • Addco sway bars • UMI bushings • GM STB • Enkei 18" EV5s w/ Dunlop DZ101s • F-body calipers
EBC bluestuff/Hawk HP plus • SS lines • Brembo slotted discs • DHP tuned • Aeroforce • Hidden Hitch^^^ SOLD ^^^ '70 Ninety-Eight Holiday Coupe 455cid • 116k miles^^^ SOLD ^^^ | |
| | | | albertj
Master
Name :
Location : Finger Lakes of New York State
Joined : 2007-05-31
Post Count : 8687
Merit : 181
| | Subject: Re: Yeesh, brakes... Tue Feb 19, 2008 9:24 am | |
| And oh by the way - do it immediately. The MC does not get any better and yours sounds way past due.
You need a 'black and decker Workmate' or a bench vise to hold the MC so you can 'bench bleed' it before putting on the car.
This is also a good time to check wheel cylinders for leakage. You will want to flush the system with clean brake fluid.
I ahve been thinking about posting an article about how to make your own power flusher from a garden sprayer and a handful of brass air line fittings. Any interest?
Albertj | |
| | | | AA
Administrator
Name : Aaron
Age : 47
Location : C-bus, Ohio
Joined : 2007-01-13
Post Count : 18452
Merit : 252
| | Subject: Re: Yeesh, brakes... Tue Feb 19, 2008 10:23 am | |
| Yes, I'd like to see that info! _________________ '05 GTO 6.0L • 6-spd • 95k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26'95 Celica GT 2.2L • 5-spd • 165k miles • 0-60: yes'98 SC Riviera • 281k miles • 298 HP/370 TQ • 0-60: 5.79s • ET: 13.97 @ 99.28 • 4087 lb • 20.1 avg MPG • Nelson Ledges Lap: 1:30
3.4" pulley • AL104 plugs • 180º t-stat • FWI w/K&N • 1.9:1 rockers • OR pushrods • LS6 valve springs • SLP headers • ZZP fuel rails
KYB GR2 struts • MaxAir shocks • Addco sway bars • UMI bushings • GM STB • Enkei 18" EV5s w/ Dunlop DZ101s • F-body calipers
EBC bluestuff/Hawk HP plus • SS lines • Brembo slotted discs • DHP tuned • Aeroforce • Hidden Hitch^^^ SOLD ^^^ '70 Ninety-Eight Holiday Coupe 455cid • 116k miles^^^ SOLD ^^^ | |
| | | | IBx1
Expert
Name : ILAN
Age : 33
Location : College Station, TX
Joined : 2007-12-30
Post Count : 4304
Merit : 69
| | Subject: Re: Yeesh, brakes... Tue Feb 19, 2008 10:36 am | |
| This won't be a do-it-yourself job for me. I'm bringing it in either this or next Saturday, and I'll tell him to look at the master cylinder and flush the brake system. | |
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