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#1
07-23-2006, 01:59 AM
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bringin out the true brains for this one.. brakes locking up
vehicle:
2000 Safari 2WD the vehicle drives normal until 5-10miles of driving, about 5 min after vehicle is up to temp problem: ALL 4 BRAKES LOCK UP! slowely then eventually you dont go anywhere. You dont have to hit the brakes hard, often, whatever it just happens.. let it sit and cool off for 4 hours and come back and drive it for another 15-20 min BOOM STUCK AGAIN!! grrrr and I checked all corners, every wheel (vehicle secured but in neutral) does not spin.. Recent repairs.. new master cyl. and booster Please help me 
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#2
07-23-2006, 06:26 AM
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Re: bringin out the true brains for this one.. brakes locking up
Why was the booster and MC replaced?
I had one do this and found that the brake fluid was contaminated with PS fluid (thanks Jiify Lube). Very expensive repair!
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#3
07-23-2006, 07:46 AM
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Re: bringin out the true brains for this one.. brakes locking up
 : i am not an expert,but if the system had P S fluid in it ,everything has to be drained all the way to the brakes,and if [jiffy lube] did it they are responsible and liable for the cost to repair.:
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#4
07-23-2006, 10:08 AM
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Re: bringin out the true brains for this one.. brakes locking up
Quote:
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#5
07-23-2006, 11:54 AM
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Re: bringin out the true brains for this one.. brakes locking up
yeah ill have to flush the entire system today... go from there?!?!?!
and I was thinking maybe a faulty new booster.. I am not sure why the original work was done to begin with, not my vehicle im just the laborer now 
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#6
07-23-2006, 03:19 PM
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Re: bringin out the true brains for this one.. brakes locking up
my alldata told me there is a Fluid pressure sensor/switch... anyone know what that controls EXACTLY other than the obvious?
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#7
07-23-2006, 04:48 PM
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Re: bringin out the true brains for this one.. brakes locking up
Quote:
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#8
07-25-2006, 01:30 AM
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Re: bringin out the true brains for this one.. brakes locking up
the booster rod is too long ill keep ya posted..
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#9
07-29-2006, 09:16 PM
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Re: bringin out the true brains for this one.. brakes locking up
ok well I measured 1/4" of gap I put between the booster and the master by backing off the 15MM bolts that hold the two together.. I dont know where this guy had his work done but they screwed up.. I measured and took out the rod, cut it, reground the round tip to it and reinstalled everything...
Works perfect.. gave it back to him the other day and its been running great, brake free while accellerating, for 550 miles or so now Thank guys for the suggestions, ill be stickin around for a while
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