Brake Light On Problems of GMC Sierra 3500

The contact owns a 1998 GMC Sierra 3500. The contact stated that when he applied his brakes to release the gear shifter, the brake pedal went straight to the floor. The brake warning light illuminated immediately after. The contact inspected the vehicle and noticed that the brake lines had burst and needed to be replaced. The vehicle had not been repaired. The manufacturer was not contacted. The failure and current mileage was approximately 136,000. The VIN was unavailable.

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2000 GMC k3500 reg. Cab pickup 4x4 -- brake pedal goes to floor and abs system engages. Vehicle has extended braking distances on dry pavement. Brake light comes on and goes off after re-application of brakes by "pumping" them. Pedal also goes to floor without engagement of abs system and vehicle will not stop. Problem has been recurring for three (3) years but this time vehicle was intentionally driven into a snowbank to prevent a collision with another vehicle. On 06/24/2010 driver rear brake line (steel) rotted through where it touched frame and expelled all brake fluid from master cylinder also causing brake failure. Other lines also showing premature corrosion. Brakes always have a soft and spongy feel even after replacement of fluid and bleeding of entire system. Parking brake cable (front) also snapped due to corrosion at underside of cab.

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The contact owns a 2004 GMC pick up 3500. The contact stated that when applying the brake, the pedal fell further into the floorboard than usual and the brake lights failed to illuminate. The vehicle was towed to the dealer for diagnosis where the contact was informed that the retainer chip for the hydro-boost and brake switch was missing at the brake pedal. The dealer replaced the clip and the brake switch was reinstalled. In addition, while test driving the vehicle the dealer advised that the steering wheel was producing an abnormal sound and advised the contact that the lower bearing assembly was worn. The steering was not repaired. The failure and current mileage was 38,338.

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Failure occurs below 15mph while doing a normal stop on both wet and dry road (with no contaminants on the road to affect braking). This has happened eight times in the 8500 miles I have driven the vehicle, with the eighth time resulting in an accident. Event course is that I am coming to a normal stop, and while my foot is on the brake I push slightly more on the pedal in an instance where a little more brake is needed to stop before where I had originally planned. Immediately the abs kicks in (I can hear a whirring sound but the brakes pedal does not fluctuate), and I loose about 50% of the braking power right when I need more to stop sooner. Obviously the vehicle keeps moving forward past where I need it to stop. This vehicle is owned by seattle public schools and is a maintenance vehicle. The maintenance shop and dealer claim that there is nothing wrong with the vehicle, and I have refused to drive it. Rear wheel bearing seals have been replaced. I have been driving over 40 years and have never experienced this type of response from any other vehicle I have driven. / please note on your web page, I could not make a selection for anything but a 'passenger vehicle'. This is a van.

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