Brake Fade?, Thought I was dead |
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Brake Fade?, Thought I was dead |
Trevorg7 |
Aug 5 2005, 09:13 AM
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#1
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Senior Member Group: Members Posts: 1,242 Joined: 7-December 04 From: Highland Village, TX Member No.: 3,241 Region Association: Southwest Region |
Nothing like your brake peddle hitting the floor while exiting the freeway at 65 to get your heart started in the morning.
So, north bound 280 exiting to 92 and my brake peddle hits the floor (IMG:http://www.914world.com/bbs2/html/emoticons/ohmy.gif) ! I manage not to hit anyone and coast to a surface street. After limping down the street a bit, 10 mins, the brake peddle came back and I was able to stop again. Was this brake fade? Seems unsafe to drive home but???? I've done all brakes in the past three months and bleed the brakes. Could it have been just a bubble I missed or pure brake fade? Thoughts? Thanks T |
Trekkor |
Aug 5 2005, 10:43 AM
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#2
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I do things... Group: Members Posts: 7,809 Joined: 2-December 03 From: Napa, Ca Member No.: 1,413 Region Association: Northern California |
I had true brake fade at Streets of Willow during our WCC track day.
Conditions: Fast driving ( 65-100 mph ) and HARD braking every 10-20 seconds for 10-12 minutes straight. Add to this older stock brake pads and very old, water contaminated brake fluid. The older pads means harder, longer brake application. More heat. When the calipers get boiling hot after about 9 minutes the water in the brake fluid starts to boil and vaporize creating bubbles ( liquid turning into a gas ) in the system. The pedal gets softer and softer until you have no brakes. Not fun. As soon as I detected ANY loss of braking power, I went back to the pits, right away. Bleeding the brakes ( purging the air out of the calipers ) gives you brakes, but only until they heat up again. A few of us experienced this. Solution is to flush the old fluid out at regular intervals, not waiting for symtoms of fade. My SS lines and race pads didn't hurt either. (IMG:http://www.914world.com/bbs2/html/emoticons/wink.gif) KT |
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