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Old 10-20-2016, 07:39 PM
HuskyMan HuskyMan is offline
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Join Date: Dec 2007
Posts: 5,061
How to flush old brake fluid from 1991 560SEL?

OK, I have the new rotors, pads and brake hoses installed and am ready to bleed the brakes. I'm going to use a pressure bleeder. I going to replace the old brake fluid with Amsoil synthetic DOT4 brake fluid.

I am using a twin chamber brake fluid capture bottle which has a clear hose to catch the old brake fluid. I'm assuming that I perform the bleeding procedure using the following steps:

1. Fill the pressure bleeder with approx 1 litre of new Amsoil DOT4 brake fluid.

2. Pump up the pressure bleeder to approx 10 - 15 PSI then open the bleeder valve starting with the right rear wheel allowing the old brake fluid to bleed out.

3. Keep the bleeder valve open until the fluid runs clear.

Is only one liter of new fluid in the pressure bleeder going to be enough? I'm thinking I'll need to refill the pressure bleeder with another liter of new DOT4 brake fluid for each wheel?
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