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| We have a 95 chevy 1500 4x4, the brakes were spongy, so we bled them. It didnt help so we put on a rebuilt master cylinder. It seemed to work fine for a few days, then it was spongy again. We bled the brakes again, and afterward noticed they are fine with the engine off, but if we start the engine then they are soft again. They are only soft when the engine is running.
Does the vaccume booster need replaced? What else could it be? Could find no leaks in the vac. line running from the manifold to the booster. | |
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