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Discussion Starter · #1 ·
Ok i bench bleed the mc and installed it , hooked up the lines and ready to bleed system. A buddy is going to help me. My question is should i jack each wheel up as i go and remove the wheel/tire for room. Also i've read a few different things about pumping. Some say pump 3 times to build up pressure and then release, other's say one pump then release. Which is better? this is on a 65 mustang, with upgraded 4 wheels dics. any help is appreicated. thanks
 

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As far as jacking up the car or removing the wheels just do whatever you have to do to get at the bleeder screws and be able to see the fluid when it comes out.On my 68 I can do it with it on the ground and all 4 wheels on it but I have 4 wheel drum brakes.....I usually pump it up around 3 times or so,basically when it stops building pressure at the pedal there is no point in any more pumping.Then get your helper to put pressure on the pedal and you crack open the bleeder screw for a second.Ideally you want the pedal to almost go to the floor before you close the bleeder.repeat this over and over until all the bubbles are gone out of your stream of brake fluid.Then tighten up the bleeder and move on.Always start at the longest brake line (right rear)and work your way to the shortest.Make sure to keep rechecking the master cylinder fluid level because if it goes dry you will have to start all over again.

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1968 mustang 306,stock ported heads,650 Holley DP,weiand Xcellerator intake, Comp cams Magnum 292,[email protected] and 518L,heddman headers,4speed with a 4.11 detroit locker.13.69 at 101 mph.

<font size=-1>[ This Message was edited by: frdnut on 4/10/06 9:36am ]</font>
 

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You can do it on the ground provided you can reach the fittings with a wrench.

Get a buddy in the car, and have him pump the pedal until its as firm as it will get, then have him hold it. While he's pumping, you're under the car. Once he gives you the OK that he's holding the pedal down, crack the fitting, and watch the fluid come out. As it trickles down and slows, close the fitting right before the fluid stops (he's got the pedal on the floor and the last bit of fluid is leaving.)

Have him repeat (pump and hold) and crack the fitting again and close it at the same time. Do this until you don't see any more air exiting with the fluid.

Check your resevoir, add more fluid as needed, and move to the other side. Repeat the process. Check the fluid, other wheels, checking the fluid between each. You can just leave the top off the MC while you're bleeding so you can just glance at it to see if its still got fluid. I've never done bleeding by length of the line first, but it certainly won't hurt anything.

It is important to pump the pedal because if you just push it once you won't build up much pressure if you're just compressing air in the lines. Pumping it ensures that you've got decent line pressure and that the air will be forced out when you bleed each cylinder or caliper.

<font size=-1>[ This Message was edited by: thekingofazle on 4/10/06 1:20pm ]</font>
 

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I broke down and purchased one of those hand held vacuum pumps. Very handy tool to have when your assistant is not avilable.

Be ready to pump a lot!

What M/C are you using? I run 4 wheels disc on my 65
 

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Discussion Starter · #8 ·

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A piece of clear tubing slipped over the bleeder end and into a glass container keeps mess to a minimum and you won't ruin your freshly painted calipers or backing plates.
 

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Discussion Starter · #12 ·
Here is a link to the pic's of the install. It has both the front and rear stuff I've done so far.
 
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