2013 Peterbilt 348. Allison 6 speed automatic. Randomly my brakes will surge or pulsate usually two or 3 times. I can hear the puffs of air just like when you press the brake and let off. This normally happens while turning or in a curve. Yesterday it happened when I was going 50 mph around a curve and it's like someone yanking the steering wheel. Very scary because it's random. It almost feels like the abs coming on but I'm not pressing the brake.
I already know this is going…
Brakes surging while driving. Peterbilt 348. Help!
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