Four problems related to brake master cylinder have been reported for the 1997 Chevrolet Blazer. The most recently reported issues are listed below.
Power boosted brake failure defective pin & spring between master cylinder & power booster. Vehicle can't stop in federal required distance in footage at various speeds. This can cause major accidents, injury, & death.
When applying brakes pedal went all the way to the floor, and she heard an air noise. Also, consumer said at other times brake pedal does not go down at all &the Blazer. The dealer stated that the cause was bad master cylinder and brake booster.
Brakes: whe applying the brakes have to steer in the opposite direction so vehicle will not go off highway. Abs kicks in whenever hitting a bump. Vehicle has been in shop five times , had a master cylinder put in, rotors replaced twice brake shoes and pads replaced twice. Foreign substance found in back wheel drums.
Brakes spongy, inability to stop in proper manner, almost in 3 accidents this past weekend, this will be my 4th set of brakes in 26,000 miles, I don't know if it is the abs that is causing it, because no one can find out what the problem is, master cylinder replaced, tires are still bad from the day I purchased auto, I have 2 dealerships telling me two different stories, no one can fix auto, gm will not respond to complaints of this safety issue, they brush it off, the system is bad, and they will not correct the problem.