Question about 2001 Chrysler PT Cruiser
Re- callipers locking on.
Hi thanks for your earlier answer, the car has 36,000 miles on the clock.
If, as you suggested debris has come up the hoses and into the master cylinder, why would it only affect the front callipers? One would expect all four callipers to lock, or at least one back and one front as there is a duel circuit on the system.
That's a good question, but for some reason I have found through the 35 years I have been doing brakes that for some strange reason the front calipers tend to get the debris because everything is pushed forward when you release the brakes.
TEST: When you calipers lock up, here is what want you to do to check to see if it is the master cylinder. Release the pressure by loosing the fittings at the master cylinder, if you can then turn the front wheels by hand, then you know for sure that the restriction is in the master cylinder.
If you still can't move the wheels then the problem is either in the front hoses, the calipers or the proportioning valve which adjust the pressure from front to rear. Sence the vehicle is low mileage its hard to believe it would be the lines themselves.
Let me know what you find after releasing the master cylinder fittings.
Waiting for reply!
Posted on Jan 17, 2009
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