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Six Million Chevy, GMC Trucks And SUVs Being Investigated For Possible Brake Failure

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Angular Front Exterior View - 2003 GMC Yukon Denali 4-door AWD

Angular Front Exterior View - 2003 GMC Yukon Denali 4-door AWD

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Angular Front Exterior View - 2003 Chevrolet Silverado 2500HD Crew Cab 153

Angular Front Exterior View - 2003 Chevrolet Silverado 2500HD Crew Cab 153

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Earlier this week, Vik mentioned General Motors' plan to equip many GM models with brake-override systems, which will slow vehicles in the event of sudden acceleration. This is a preemptive move on GM's part, brought about partly by concerns associated with Toyota's ongoing recall.

Unfortunately, braking -- not unintended acceleration -- may already be a problem on certain GM trucks and SUVs. According to a report in Automotive News, the National Highway Traffic Safety Administration is investigating possible brake-line failures in a number of Chevrolet and GMC vehicles.

The NHTSA has received 110 complaints about "loss of braking effectiveness" in the Chevy Avalanche, Silverado, Suburban, and Tahoe, as well as the GMC Sierra and Yukon; three of those complaints involved crashes. Preliminary reports indicate that corrosion of the brake-lines could be the cause of the problem. So far, the issue seems limited to vehicles from the 1999 to 2003 model years, six million of which still roam the roads. An additional 189,000 heavy-duty pickups are also included as part of the investigation.

It's important to note that the NHTSA is still in the preliminary stages of its evaluation, and no definitive data has been released. However, one complaint alleges that a brake-line failed due to corrosion, resulting in a "large increase in stopping distance...with the brake pedal pushed to the floor." That could signal a some very serious problems ahead. We'll keep you updated as news rolls in.

[AutoNews]

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Comments (3)
  1. Betcha this won't get the outrageous [lay in the MSM that Toyota's problems are getting.
     
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  2. All of my friends (over a dozen) that had a 2000 thru 2003 chevies had brake problems with their pickups. And they all are driving different BRANDS today.
    Why? Because GM never did do anything for them on their problem, as if it was the driver causing the problem. Then dealers were worthless in handling any problems or going to bat for these owners. Some of these people drove GM pickup for years and had chevy sedans and suvs.
     
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  3. I have a 1999 Sierra.So far 5 lines have rusted through.The last time I was leaving on a 8000 mile trip towing a 28' trailer and told my repair shop to replace any bad sections. They replaced 2 and on the third day of the trip the rear line crossing the axle blew, my trailer has good brakes and saved the day! I wish the master cylinder had 2 pistons rather than 1 so at least 2 wheels had breaking power, and the emergency brake is a joke. The ABS system never worked correctly either.
     
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