Question about 1998 GMC Sierra
No, the pulsing is caused by warped rotors. Look at the inside part of each wheel to see if you're loosing brake fluid. If everything is dry, try bleeding the brakes and check you brake fluid level. If it still does it, remove the vacuum hose from the engine that goes to the brake booster and plug it. The pedal should be very solid. If it bleeds off still, replace the brake booster.
Posted on Aug 30, 2008
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Posted on Jan 02, 2017
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