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  #1  
Old 01-18-2011, 04:49 PM
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DIY pressure bleeder

DIY pressure bleeder:
http://faculty.ccp.edu/faculty/dreed/campingart/jettatech/bleeder/index.htm

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  #2  
Old 01-19-2011, 12:08 AM
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Exclamation

I came across that guys DIY brake bleeder a while back and saved it. then forgot about it, and later on bought the Motive brake bleeder which works good.

reading through it, the guy has 10 ft of hose so he can turn it off and on from the rear of the car. i don`t think that is necessary from my experience.

I set the bleeder on the engine, screw on the cap to the master cyl reservoir. pump it up, and start on the R/R, L/R and work forward to the front wheels. really no reason the have a shut off valve.

The one thing I noticed with mine is, the unit came with a universal mount that sits on the MC with some chains to clamp it down. and the cap for the Mercedes. each piece has a short hose that screws onto the hose from the motive container. screwing the two together, the hoses get twisted because there is no swivel.

When I used it the last time, the hose split at the tank and made a mess all over the engine. so keep an eye on the hoses. I have had it for quite a while and they do age.
so at this time I added a Swivel and also a small BALL Valve.

I also had this other DIY Bleeder saved, might be of interest also.

http://www.bmw-m.net/TechProc/bleeder.htm


Charlie

NOTE: I added the ball valve, so when I do a Clutch pressure Bleed from under the car, I can control the fluid, and not have the reservor overflow.

The recommended way to bleed the MB Clutch, is from the bottom up.

FSM mentions from the R/F Brake Caliper, to the Slave Cylinder. that is for another thread of discussion.
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Last edited by charmalu; 01-19-2011 at 12:36 PM.
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  #3  
Old 01-19-2011, 03:35 AM
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We had a local build one of these and then give it away as a door prize at one of the past year's diesel get-together here in the pacific northwest.

It seemed to work well, and if I hadn't already been using my mighty-vac to do my brakes, I'd have that one in my garage.
(I've since been really looking at building one, as I fight with the mighty-vac each and every time I use it to bleed brakes...)
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Old 01-19-2011, 12:17 PM
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That is essentially what I built a couple of years ago. It works great. Charlie, the swivel sounds like a good idea. What kind of a swivel did you use (picture, please)?

Since I need the bleeder only every couple of years, I remove any remaining brake fluid and wash out the tank so that it is stored clean and dry.

Jeremy
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  #5  
Old 01-19-2011, 12:34 PM
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I'm cheap and lazy, but I do own an air compressor with a regulator I can dial down to 10 PSI. So the pressure bleeder I made consists of a master cylinder cap with a pneumatic quick-disconnect fitting mounted in it. I fill the MC reservoir way up, open the bleeder, install the cap with fitting and attach the compressor hose.

I have to refill the reservoir a couple times on each rear wheel, but with the pressure at 10-12 PSI it's not hard to monitor. To relieve pressure I detatch the hose.

The one caveat is that compressors tend to accumulate moisture. I try to do my bleeding on a dry day and generally keep the tank drain open when the compressor is not in use.
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  #6  
Old 01-19-2011, 01:28 PM
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I built this 2 years ago and use it. Works well & is cheap.

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