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Old 11-26-2010, 03:12 AM   #3
btwilson86
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Our Supra's use Dot 3 brake fluid. Try bleeding the brakes first. Air in the lines doesn't always result in a spongy pedal. While you are bleeding the brakes, inspect the rubber brake hoses at each of the wheels for any splits or cracks. Move them around a bit and make sure they are still flexible. Brake hoses are often neglected, and therefore a common failure point on 20ish year old cars.

If the brake lines are in good shape and bleeding the brakes does not fix the problem, remove the master cylinder and bench bleed it. If that doesn't fix it, then that is likely your issue.
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