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post #1 of 3 (permalink) Old 09-17-11, 06:45 AM Thread Starter
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brakes lock-up after 30 miles

hello,

If have a 1999 Lincoln Navigator. After 30 miles of driving the rear brakes starting to brake (locking up). If i release the oil pressure the brakes lossing up.

Can somebody tell me why the braking system is building oil pressure. The calippers move free and are clean.

Already thanks

Freek

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post #2 of 3 (permalink) Old 09-17-11, 05:13 PM
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Re: brakes lock-up after 30 miles

May be the master cylinder. Have you tried cracking a line there to see if it does the same as the rear area?

Bert
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post #3 of 3 (permalink) Old 09-17-11, 09:07 PM
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Re: brakes lock-up after 30 miles

i could be the master cyl or maybe some one has put the wrong fluid in the system.
I have seen this a few times and it does the same thing.


Ian
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