brake problem

[84jag]

do not have brakes until almost to the floor.rotor's and pad's are fine,no leaks anywhere.car has sit for 3 years.they won't pump up.think it's the master and is there a kit.thanks

 

[shorn]

Bleed them.

 

[Steve]

Yes, a proper bleeding should do the trick.

 

[piman]

Hello 84Jag,

even though the pedal is low, are the brakes effective and do not pull at all.
I'm wondering if you have a stuck piston or pistons? The fact that they don't pump up probably indicates that bleeding is not the cure. If the pedal is low and firm then the master cylinder is also probably OK but kits should be available.
What model is it, as you don't say?

Alec

 

[maynard]

You can test the master. With line clamps, or padded vise grips (use corrugated carboard between the jaws and the hoses) clamp the three rubber hoses. Try the pedal. If it is rock hard, the master is OK, if still soft, replace/rebuild the master. IIRC, a rebuilt master is less than $100.

If the pedal is hard, remove one clamp at a time. If the wheel the hose connects to is good, there will be a small drop but still a hard pedal. Replace the clamp and go to the next one. Repeat. You will find the bad wheel this way.

 

[84jag]

thanks guys,i will try bleeding them first.