Question about 1993 Buick LeSabre

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Brake problem Hey guys I just bought a 93 Lesabre and it had sat for a year. Before the car would even move I had to collapse both calipers and the calipers and brake pads are new. After I got them to collapse I was able to move the car and get it home but the drivers side caliper seized up and the rotor was red. On the passenger side the caliper never showed when the brake pedal was pushed that it even operated. I need to know what kind of problems I might be having. There are no lights on inside the car. Could this be an ABS problem? Or do I need to replace the master cylinder? I appreciate all the information you guys can give me. Thanks A.J. Taylor

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Ok, you are most likely having problems due to contaminated brake fluid. Is the fluid clear, or dark? Whenever a car has the brakes changed, the fluid should be flushed out, which is accomplished by bleeding the lines. The former owner probably didn't flush out the brake fluid ever (this is a very neglected car maintenance), and letting the car sit for a year just corroded everything that's attached to the lines (calipers, brake cylinders). !st thing to do is spray all your bleeder valves w/ wd-40 or some type of penetrating oil so u can bleed the brakes. From your description, you should probably remove the calipers and brake cylinders, disassemble them, and see how corroded they are. I guarantee you'll find pitting and corrosion inside. You can attempt to rebuild them, but it's much easier (and sometimes cheaper as far as brake cylinders anyway) to buy new or rebuilt units. You will still have to bleed the system to remove the old fluid. Start at the bleeder that's the greatest distance from the master cylinder, then go to the next furthest away, to the next, then the closest bleeder. You want to bleed them until the fluid is clear for a while on each wheel. If u find corrosion in the caliper or brake cylinders, you probably will want to change the master cylinder (well u won't want to, but u should!). Sorry for the bad news, but you'll have great brakes when u r done. And by the way, I had a car many years ago that kept having problems w/ calipers and brake cylinders failing, and I finally realized far too late, that it was the fluid causing it. Fluid absorbs moisture too, and that will destroy your components, always close the brake fluid bottle very tight after use! good luck countrycurt0

Posted on Sep 15, 2008

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