Technical Tips > Brakes, Suspensions, Steering, Wheels & Tyres
brake bleeding
craigh:
When I rebuilt my rear calipers (leaking fluid like yours) I had the lines disconnected on and off while i did the work.
I put a cap on when I could to stop draining system.
Replaced the soft lines with braided hoses etc as well.
Took over a bottle of fluid to get them firm again.
I installed speed bleeders on mine as well that made it a bit easier but just followed the process of bleed in the order of (for rear) inside first then outside.
I think the idea is to bleed the nearest point to the master cylinder first then work outwards to get rid of air.
Look here as well on the US forum:
http://forums.corvetteforum.com/c3-tech-performance/2278849-bleeding-the-breaks-info-please.html
When I did mine I put the details here but does not cover bleeding order.
http://www.australiancorvettes.com/phpBB/viewtopic.php?t=6326&postdays=0&postorder=asc&start=60
Scott:
--- Quote from: craigh link=topic=7955.msg1045938423#msg1045938423 ---
I think the idea is to bleed the nearest point to the master cylinder first then work outwards to get rid of air.
--- End quote ---
I thought it was the opposite, start at the furtherest point and work back. That's how I did mine. Putting a long clear tube on the bleed nipple helped too.
I bled mine by gravity. Crack the nipple and wait. If nothing happens, a few pushed of the pedal help things along. Elevate teh clear tube above the caliper and watch. When no more bubbles come out, it's done. Uses much less fluid too.
Benandsally:
Hi demonx, craigh
I thought you start from the furtherest point to thats how i did mine then when demonx said start at the closest i thought thats why they didnt work plus i did not bleed rear with inside and outside i just thought that if you bleed the highest nipple.
Two and a half bottles of brake fluid later still scrathing my head.
I will have to start again with all my new input
thanks heap guys
craigh:
--- Quote from: Scott link=topic=7955.msg1045938429#msg1045938429 ---
--- Quote from: craigh link=topic=7955.msg1045938423#msg1045938423 ---
I think the idea is to bleed the nearest point to the master cylinder first then work outwards to get rid of air.
--- End quote ---
I thought it was the opposite, start at the furtherest point and work back. That's how I did mine. Putting a long clear tube on the bleed nipple helped too.
I bled mine by gravity. Crack the nipple and wait. If nothing happens, a few pushed of the pedal help things along. Elevate teh clear tube above the caliper and watch. When no more bubbles come out, it's done. Uses much less fluid too.
--- End quote ---
I was referring to the inner and outer of a rear caliper. Am getting confused now but I thought i did the inner then outer bleeds on the rears.
This is also a great read...does not seem to think order matters at all.
http://forums.corvetteforum.com/c3-tech-performance/2278849-bleeding-the-breaks-info-please.html
sirfixalot:
Sounds like front reservoir has drained out fluid & has an air lock. Elevate car so master cylinder outlet is at highest point to pass air out of master cylinder
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