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Old 03-05-2004, 06:01 PM
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?? Flushing Brake System

I upgraded the brake system on my 57 Chevy with a power disc system (front disc). Anyway, I have to replace the master cylinder and want to flush the system at the same time. What is the simplest way to accomplish the flushing if I'm working alone in an apartment parking lot?

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Old 03-07-2004, 08:30 AM
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Cliffrun2

Do you have an air compessor?

Jim
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Old 03-07-2004, 09:05 AM
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Well aside from fancy bleeders I still say the easiest and most effective way is still to just have someone in the car to help you bleed them the old fashioned way. Just keep working your way around the car topping off the master cylinder during the process until you have clean fluid coming out of all the bleeders. I assume you are not switching from standard fluid to synthetic so mainly you just want to push out the old dirty stuff and replace with clean fluid.


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Old 03-07-2004, 07:36 PM
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I don't have an air compressor but I think I can borrow one.

I may be able to get someone to assist if there isn't a way to do it solo.
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Old 03-08-2004, 08:35 PM
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Cliffrun2

I hardly ever have help on my projects this brake bleeder cap is the perfect way to bleed brakes by your self.
The attachment is a pic of the cap.
(1) get a master cylinder cap to fit your mst cylinder drill a hole in the top
(2) tap the hole with a 1/8" pipe tap
(3) install a screw-in metal valve stem
(4) cut the center out of the rubber seal if it's a double also cut where the cap seals between the two reservoirs
(5) fill the mst cyl with fluid install cap
(6) set regulator on compressor to around 10psi
(7) put a piece of small diameter hose on bleeder with other end in a container open bleeder on one wheel cyl at a time
(8) apply air to mst cyl, like putting air in a tire, when fluid clears up in color close bleeder and go to next wheel cyl, make sure the mst cyl is full and repeat.
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Old 03-08-2004, 08:37 PM
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I did'nt know how to do two attachments at a time so here is the bottom of the cap
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Old 03-10-2004, 03:19 PM
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gravity bleeding

it should work on this vehicle but what I do is why I am doing a wheel cyl. or caliper I put a bottle of fluid udside down in the resavoir so it works like an automatic cat waterer and when i am doing the work just leave the line dripping then when i put it back to gethewr i open the bleeder and let it finish running till its clean. you shouldn't ghave any air in the line. if you do then get some one to finish helping you. not very often do i need someone to pump the pedal.
Jesse
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Old 03-11-2004, 12:33 AM
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It's kind of slow, and takes a lot of effort, but you can do it with a Mity-Vac vacuum pump/bleeder kit. They cost about $30.
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Old 03-11-2004, 04:17 PM
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Thanks for all the good advice(s) thus far. I did get someone to assist me with the bleeding and had to replace the rear wheel cylinders. Now that I got the system filled with fresh fluid and air free, I'm faced with another glich.

When I press the brake pedal, it only returns half way if the engine is running (vacuum on the booster), but will return all the way if it isn't running. I thought if I adjusted the rod between the pedal and booster it would help but it didn't.

Of course I can' drive down the street with my brake lights aglow, so any additional advice would be greatly appreciated.
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Old 03-12-2004, 09:02 AM
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Return Spring

In my 55 truck, I added a return spring after changing over to a power system. Was not hard. Also, I have used the one man brake bleeders from EastWood. Cheap and easy. Worth the money. Lastly, you might not be returning properly if the proportioning valve is not adjusted properly.

hr41pearl
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