brakes

whiterover

whiterover

Member
Hi Everybody.
I wonder if the collective knowledge can help me with Whiterovers brakes. When I depress the brake pedal I can feel something happening (through my foot) before the brakes start happening.
Now both the vacume unit and the master cyl were rebuilt about twelve months ago, by profesionals although I installed them. Then a month ago I rebuilt the rear callipers and installed them. Now I have just had the front callipers rebuilt and I installed them. But after copious bleeding I cant get a full pedal. Any sugestions?
John.
 
whiterover wrote,...
Now both the vacume unit and the master cyl were rebuilt about twelve months ago, by profesionals
Click to expand...

Hello John,

Sadly, this is by no means a guarantee that the work has been done properly. Really good people are much harder to find than they should be.

Is your pedal soft or do you just have excessive travel? What type of brake fluid have you used? Is the fluid level within the reservoir falling or is it stable?

Ron.
 
Is this with the engine running and the servo operating ? What's the pedal like when you've pumped the pedal and emptied the vacuum in the servo ?
 
Thanks. Really with the engine running and driving it is much the same. It is like one brake piston is pulling back and it has to be pushed further forward every time. It does pump up if one pumps quickly. Very strange.
John.
 
Hi John,

By the sound of it the booser (servo) is the problem. As you paid to have to overhauled, did it come with a 12 month warranty? How many miles have you driven since you installed the booster?

Ron.
 
Thanks. I have had another look and have noticed that the bleed on the rear cyl is below the input, doesn't seem right, i will see if I can change that around.
John.
 
whiterover said:
Thanks. I have had another look and have noticed that the bleed on the rear cyl is below the input, doesn't seem right, i will see if I can change that around.
John.
Click to expand...

It doesn't seem right, but it is right.

That confused me when I rebuilt mine

Richard
 
Hi John, how have you been bleeding the brakes? I have found that they don't respond well to gravity bleeding or even pressure bleeding and the best results come from the old 'two person' method. Give the brake pedal three or four good pumps and hold it while your assistant opens the valve. Close the valve, release the pedal and repeat a few times. Then do the same to the fronts. This has generally worked for me in the past when trying to shift stubborn air bubbles.
 
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