I changed the master cylinder, both the metal and rubber brake lines, changed the abs unit, the caliper and bolts were changed and wire brushed, the bolts were lubricate along with the area of the caliper that the brake pads rest on.
Can you repeat this brake failure while parked and wheels off the ground? In what way does the front left brake lock up? Is the brakes dragging on its own or does it lock up as soon as you touch the brake pedal? With the vehicle raised, will the brake lock up with it in park and the van is running? Can you confirm that the only time the brake locks up is on short or long trips? You may need to send the van in for diagnostics. You may want to contact your local dealer and ask if there is a Recall, TSB or campaign for this issue. You will need to narrow down your search and see if maybe it is something you missed. From your description I might look for debris in the line somewhere between the ABS module and the front left brake caliper. Remove, isolate, and blow out the suspected line, at both ends. I doubt it applies to you but to be thorough. Did you check to see if the brake pads were contaminated with oil or grease? Are both sides of the brake rotor clean and free of defects? Are any brake warning lights on? You may want to see if any codes were stored in the ABS module. Please write back with any questions or new information.
Good Luck.
SOURCE: I have a 1998 town and country with traction
I had a similar problem with my anti-lock brake.
One of the will wear down. I took it to the dealer, could not tell why.
Until one day the a brake light came on. It was a bad sensor. Replace the bad sensor and the problem went away.
The mechanic plug a portable instrument and drive the car around until he find out. (The brake light came on, then off.)
This anti-lock brake system is control by sensors and it one is not functioning properly then you have a problem.
I do hope this help you.
SOURCE: toyota corolla ae110 brakes binding
Please DO NOT drive in with the vehicle in this condition!!!!
What you have going on is that the brake caliper (part that holds your brake pads) is bad and sticking. Just remove it, get a NEW one from any chain autoparts store,and replace it. You will have to get a new set of pads as well,as due to the binding, the ones on there now are trashed.
Again,PLEASE do NOT drive in this condition as yours and your fellow drivers ,as well as your passengers safety is at stake.
SOURCE: Spongy brakes, anti lock disabled and brakes won't
Yes master cylinder and maybe ABS sending unit. Also is there a sound of an air leak it may also be your brake booster
I just went to Brake Masters this morning and had them replace the Master Cylinder since I was experiencing the pedal very spongy and going to the floor. When they replaced the Master Cylinder and they gave me back the car, the brakes were still spongy and going to the floor. I addressed this to them and they took another look at it, but when I took it for a second time, the brakes were extremely spongy. It was almost like they gave me back my car in worst condition to when I brought it in. Can you help?
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