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Old 11-02-2002, 12:42 AM   #1
angelot
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Question Datsun 2000 Brakes

I need help!!
I have a 69 2000 Roadster. After I drive it a while, the front calipers lock and the pedal stays hard at the top. After sitting a couple of minutes they free but then lock up again after a few applications of the brake. I put new master cylinder, front calipers, rear cylinders and pads all around and again....same problem. ANy suggestions???
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Old 08-11-2003, 05:24 PM   #2
jon602
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There's not much left except the proportioning valve. or you could have a pinched line. The pedal pressure would push the fluid through quickly and then take awhile to flow back to the resevoir. Do both calipers lock up or just one?
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Old 08-11-2003, 11:38 PM   #3
angelot
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Thanks Jon for the reply. I replaced every part of the system except the 3 rubber hoses on the front. Still had the problem, Finally replaced the 3 hoses and VOILA!!! no problem. Sort of an expensive lesson. IT seems the hoses were old thus collapsing when the pedal was released.

Well, after replacing everything, I am going to be set for a long time on brakes.
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