 Mountain out of a mole hill, brake woes |
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| demitristewart |
 Dec 5 2006, 08:59 PM
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#1
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Newbie  Group: Members Posts: 10 Joined: 24-October 06 From: San Francisco Member No.: 7,086  |
i was replacing my front brakes (on a 75 914) and in the process i broke the hydroplic brake fluid line to the caliper -drivers side. i bought a replacment original metal hydrolic brake line and installed it.
i installed new rotors, calipers and pads for the front -the back is good to go, does not need pads or brake adjustment. problem is, when i bled the brakes, nothing seems to happen -no pressure. i've bled brakes a thousandmillion times and just don't get it. any help would be great. what can i do to get some presure in these brakes? (IMG:style_emoticons/default/unsure.gif) |
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| Rouser |
Dec 5 2006, 10:03 PM
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#2
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Anti-Post Whore Group: Benefactors Posts: 597 Joined: 30-December 02 From: Citrus Park, Florida Member No.: 54  |
QUOTE(demitristewart @ Dec 5 2006, 09:59 PM)  i was replacing my front brakes (on a 75 914) and in the process i broke the hydroplic brake fluid line to the caliper -drivers side. i bought a replacment original metal hydrolic brake line and installed it. i installed new rotors, calipers and pads for the front -the back is good to go, does not need pads or brake adjustment. problem is, when i bled the brakes, nothing seems to happen -no pressure. i've bled brakes a thousandmillion times and just don't get it. any help would be great. what can i do to get some presure in these brakes? (IMG:style_emoticons/default/unsure.gif) Gotta bleed the MC first, no pressure build up possible until then. |
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| So.Cal.914 |
Dec 5 2006, 11:00 PM
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#3
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"...And it has a front trunk too." Group: Members Posts: 6,588 Joined: 15-February 04 From: Low Desert, CA./ Hills of N.J. Member No.: 1,658 Region Association: None |
(IMG:style_emoticons/default/agree.gif) Or put fluid in the reservoir.
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| demitristewart |
Dec 6 2006, 10:45 AM
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#4
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Newbie Group: Members Posts: 10 Joined: 24-October 06 From: San Francisco Member No.: 7,086 |
I've kept the reservour filled, but i have not bled the master -something i've never done before.
I've done a lot of reading of articles on this website and I still don't get it. I guess bleed bleed bleed is the best answer for this. How do I bleed the master cylinder while it's attached to the car? do I need to bleed the proportioning valve. Will switching to a T really make a huge difference in my braking? Please help! |
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| TravisNeff |
Dec 6 2006, 11:05 AM
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#5
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914 Guru Group: Members Posts: 5,082 Joined: 20-March 03 From: Mesa, AZ Member No.: 447 Region Association: Southwest Region 
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Please explain your brake bleeding procedure - it may help with finding out where things are going wrong.
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| demitristewart |
Dec 6 2006, 01:06 PM
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#6
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Newbie Group: Members Posts: 10 Joined: 24-October 06 From: San Francisco Member No.: 7,086 |
this is the process i've used for bleeding brakes.
in order; passenger rear driver rear passenger front driver front. 2 person team. first way -pump the brake until all the air bubbles stop. once i see no air bubbles i tell the person pumping the brake pedal to hold it down. then i tighten the nipple on the caliper and move on to the next. second way -i have the pedal person pump the pedal 5 times and hold down, then i turn the nipple and let the air out, then close. repeat until no air comes out and on to the next. i always make sure the reservour is filled with new fluid. i still have a spongy pedal. what kills me is that all i did was replace the two front calipers and one line I broke that goes to the drivers side caliper. this really shouldn't be this big a pain! |
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