Quote:
Originally Posted by alghamedGT
so my friends if i bleed all 4 brake calipers then the problem is from the master cylinder ?
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As long as you bleed them correctly and in the correct order.
Two ways to bleed correctly:
1. purchase and utilize one man bleed bleeder screws.
2. Use the two man (person) method. (I have actually used the Mrs. for this duty).
a. make sure the mc is full in the front and rear compartment. the rear compartment is hard to see without placing your eyes so you can look at a low angle.
b. Starting with the wheel furthest from the Mc, have your helper pump the brakes until there is some resistance in the pumping action. Then have them hold the pedal down while you open your bleed valve and let out fluid until it stops coming out. Tighten the bleed and then let your helper release the pedal.
Good luck!
c. Repeat until you get no bubbles and you have a nice firm pedal.
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.

[SIGPIC]
..I also have a 427 Cobra replica with an aluminum chassis.