Question about Isuzu Cars & Trucks
My Front brakes are locking up. If I loosen bleeder screw the calipers will unlock. drive the truck for about 3 - 4 miles and brakes are locked up again. not just one side but both sides. usually I would say bad caliper or a collapsed flex line but both sides are doing it at the same time...... any suggestions ???
Slider pins should be replaced and antilock mechanisms cleaned with brake cleaner. If that doesnt help then its calipers. And yes they do stick at the same time if they both have sat for a long time. Good luck!
Posted on Oct 17, 2013
Testimonial: "thanks for the suggestions we use this truck everyday and drive for roughly 300 miles a night with it so they haven't been sitting. is there a check valve"
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Posted on Jan 02, 2017
About the only thing left is to replace the caliper. I've seen a few times, but not common. Piston gets bound on corrosion in caliper and doesn't retract completely.
Posted on Mar 09, 2011
I suspect you may have twisted the hose on re assembly. The other possibility is that the bleed nipple is choked with dirt and rust. Remove it completely and see if the fluid starts to run out. If so replace nipple or clean out.
Posted on Dec 17, 2008
I assume you mean that you replaced the front pads and rear shoes. Or did you also replace the disks and drums?? Either way you should be ok unless you also replaced the slave cylinders on the rears.
The fluid flows back up to the Master Cylinder as you squeeze the calipers and the slaves to fit the new parts in. Some people pre-fill the caliper to reduce the amount of air and make bleeding easier.Now .....Grinding better be a wrong choice of words. Possibly you spilled fluid on the pads while bleeding the lines. This will cause a binding and shuddering when you apply brake pressure. This will also make you think the lines are not bled properly because of the increased pedal pressure you are putting on the wet/lubricated front pads. If so, replace the pads. Don't try washing them with aerosol cleaner cause it takes more time and money than simply changing them.
Posted on Oct 04, 2009
SOURCE: front brake caliper on brivers
Chances are the calipers are not at fault.You probably live in a northern state that puts salt on the roads in the winter time. Take a close look at the brake shoes. and where they mount. Often the manufacturer will put a thin metal plate over a caste iron iron caliper/brake pad mount. This is to give the brake pads a smooth surface to slide on. Take the the thin metal plates off of the bracket and file off the rust under neath the plates. The rust is expanding and pushing against the back of the thin plates causing the brake pads to bind and stick. This is then overheating the caliper and ruining it. Take a file and remove all the rust on the mounting brackets especially under the the brake pad slide plates. Once the brake pads move freely again the problem should go away.
Posted on Aug 24, 2011
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