Question about 2003 Toyota Corolla

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2003 toyota corolla low brake fluid

Cup on top of master cylinder needs to be filled every several weeks. Brakes are working fine but can't see any leaks at the wheel cylinders or elswhere. Any suggestions?

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The fluid level will drop when the brake pads and or shoes wear thinner. A good way to check for a hydraulic fluid leak is Shut engine off step down on the brake pedal and hold it for 3 minutes. The pedal should not slowly drop. It will go down and hold.

Posted on Feb 28, 2009

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Did you also change the brake pads? Add fluid to top of reservoir?

Was the brake pedal low before you changed the calipers or is this something that developed after you worked on the car? If it was there before the caliper change then it has nada to do with the work you did.

U might have a bad master cylinder.

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If there is no visible leaking at the wheels around the braking assembly's, then the fluid will be leaking out he back of the blake master cylinder into the vacuum booster. The master cylinder is where you have been topping up the brake fluid and the booster is the big black thing the master cylinder is bolted to. You need to have this looked at by a mechanic for proper repair (unless you really trust someone),as brakes are something I think are important to a vehicles operation.

Just as a note, there is no need to buy a new master cylinder, as most brake places would have exchange units available.

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