[DeTomaso] brake master cyl still bad?

Tom Borcich tborcich at msn.com
Sun Apr 18 14:11:40 EDT 2010


I've never used a vacuum bleeder...It's been a while since I bled a brake system, but as I remember I used a tube going into a mayonaise size bottle with one inch of fresh brake fluid in it. Make sure the tube is always submerged below the fluid. Open the bleeder on the down stroke and close on the up stroke, pump the pedal slowly up and down, ....make sure you keep the master cylinder reservoirs full as you are pumping fluid through the system so it doesn't draw air into the system. It will pump out the fluid in lines and also take the bubble and air with it. Basically all you are doing is pumping fluid through the system until all the air is gone.  You will need a few large bottles of fluid. This is a two or three person job, one on the pedal, one at the caliper and one filling the master cylinder. I did this on my McLaren which used separate master cylinders for front and rear systems, and used Girling calipers. It worked great.  I think it should work fine with a dual reservoir master cylinder. Start at the right rear, then do the left rear, then the right front, then the left front (farthest caliper first then move to the next farthest until you are done).

Jim, I live in Seal Beach...I can drive over and give you a hand if you would like.
Tom
 		 	   		  


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