CHEVY ANTILOCK BRAKES

1990 Chevrolet Astro

Tiny

2CarPros-Archives

October, 22, 2010 AT 4:13 AM

1990 Chevy Astro mileage: 112,758. My 90 Astro with antilock brakes and hydro-boost during medium to hard braking at high speeds makes a strange noise (sounds like tires on a steel deck bridge). The brake pedal is being forced up against your resistance. If you let up off the pedal, and reapply it will generally pull left or right.I replaced the hydro-boost with a used unit. The problem still persists. No problems with power steering, as I understand they operate off of the same pump. Any suggestions on how to solve this problem?

FOUND 110 RELATED QUESTIONS

1 Answer

Tiny

2CarPros-Archives

October, 22, 2010 AT 4:18 AM

From what you describe, you appear to be having problems with the anti-lock braking system (ABS).

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