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Did you remember to Bleed the Master Cylinder
BEFORE connecting the brake lines to it? For anyone who doesn't know, you
connect two metal brake lines about 12" long each to both outlets of the M.C.
Then you bend them back into their respective reservoirs and fill the M.C. with
fluid. You then take a rod and push the plunger of the M.C. all the way in and
release it all the way out. Do this repeatedly until you see NO bubbles in the
fluid. You have now Bled the M.C.
----- Original Message -----
Sent: Monday, June 23, 2003 4:08 PM
Subject: IML: 1968 Imperial Brake
Puzzle
List,
I have a 1968
Imperial Crown Coupe with brake problems, which is not the usual 67 & 68
caliper or rotor problem, but the pedal, which will sink to the floor with
steady strong pressure. There is no apparent leak in the system,
brakes have been bled, master cylinder has been replaced once from a parts
car, then two other times with rebuilt master cylinders from NAPA. The
pedal will pump up, but with steady pressure on the pedal it will sink to the
floor, with the "check brake" light coming on. The pedal seems to pump
up quicker and stay firm longer with the engine off than on. I would
appreciate any suggestions concerning this problem.
Bill/Imp, 68's
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