NO Brakes!! - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 03-04-2011, 12:08 AM   #1
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Default NO Brakes!!

Hi, doing 70 km/h today, hit the brake to stop at a traffic light, pedal snk to the floor, providing absolutely no braking resistance. Almost panicked, but just on the second pump brakes came back, I have had no problems since, they worked fine all the way home. What could cause this?
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Old 03-04-2011, 12:14 AM   #2
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Is the hose loose that goes from the intake to the booster?Or damaged?
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Old 03-04-2011, 12:16 AM   #3
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nope, that hose is in great shape.
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Old 03-04-2011, 12:22 AM   #4
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check fluid level and condition...brake fluid changes are as essential as an engine ol change...im starting with the simple stuff
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Old 03-04-2011, 02:02 AM   #5
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ok, i should tell you that the entire brake fluid has been changed within the last 7 months. car has a new caliper, two new rear wheel cylinders, brand new rotors and pads, a new drum... could it be the brake hoses? they are about the only thing i havent changed.
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Old 03-04-2011, 02:10 AM   #6
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How'* the fluid level?
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Old 03-04-2011, 02:16 AM   #7
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right up.
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Old 03-04-2011, 02:18 AM   #8
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Quote:
Originally Posted by 93bonnieNclyde View Post
right up.
Were the brakes bled properly?

Sorry if these sound like dumb questions. Just covering the basics.
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Old 03-04-2011, 02:23 AM   #9
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Yes, but not since the fall. Only thing I've worked on recently is the Rotor and pads, last week.
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Old 03-04-2011, 07:44 AM   #10
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90% chance that'* the master cylinder failing. There will be no outward signs of it.
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