Yes, seems like a fault with the ABS and don't replace the booster, it has nothing to do with such symptoms.
Try this. Go to a sandy area or maybe on a grass field. While driving the vehicle at around 20 mph, jam on the brakes and test if the ABS works. Try a few times and note if the pedal height increases.
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Saturday, November 24th, 2012 AT 3:30 PM