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yet another car question

M

morkinva

Diamond Member
This is a 1987 mustang. One of the front wheels locks up under moderate braking; formerly it was quite difficult to lock up. There is no vibration or pulling whatsoever. What should I look for here?
 
You pour tar on the rotor or something?

What condition are the pads in? are the pads significantly more worn on the opposite side of the car?
 
The last time I looked at the pads, they looked about even on both sides. This car doesn't get driven much, only about 3000 miles/yr.

Also, I thought a bad caliper, or air in the brakeline would KEEP the wheel from locking up -- are you saying that a bad caliper would extend the piston and hold there?
 


<< The last time I looked at the pads, they looked about even on both sides. This car doesn't get driven much, only about 3000 miles/yr.

Also, I thought a bad caliper, or air in the brakeline would KEEP the wheel from locking up -- are you saying that a bad caliper would extend the piston and hold there? >>




Possibilities:

problem with hydraulic pressure balancer

stuck caliper

 
For starters if there is at all any question about air in those line's atleast take that step to bleed em, it's so easy to do anyway, take that one out of the equasion for starters... then get ready to open your wallet after that. 😉
 


<< For starters if there is at all any question about air in those line's atleast take that step to bleed em, it's so easy to do anyway, take that one out of the equasion for starters... then get ready to open your wallet after that. 😉 >>




This is a brake system you're working on. Unless you absolutely know what you're doing, take it to a professional. You can live with mistakes on engine work since it usually means breaking down in the middle of the road at worst.
 


<<

<< For starters if there is at all any question about air in those line's atleast take that step to bleed em, it's so easy to do anyway, take that one out of the equasion for starters... then get ready to open your wallet after that. 😉 >>

This is a brake system you're working on. Unless you absolutely know what you're doing, take it to a professional. You can live with mistakes on engine work since it usually means breaking down in the middle of the road at worst. >>



Ok, but I have some questions.

If there is air in the line, it would inhibit braking because air is compressible and liquids are not.

I knew there was a proportioning valve to control whether rear or front brakes get percentage of pressure, but is there another between left and right front wheels?
 
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