General Motors Corporation (GMC) has recalled the Sierra model several times over the years. The biggest recall was issued for the 2001 GMC Sierra 1500 with nine recalls. Over three million Sierras were recalled because of tailgate problems, and another 1.3 million GMCs were recalled for brake problems for 2001 model-year.
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2001 GMC Sierra Recalls
Nine different recalls were issued for the 2001 GMC Sierra during this model-year. The biggest recall was for tailgate issues. The tailgate cables that hold the tailgate in the open or horizontal position had a tendency of corroding and eventually breaking. The other major recall on this model-year Sierra was brought due to problems with the anti-lock braking system (ABS). The ABS brakes could unexpectedly activate on the GMC Sierra, primarily in highly corrosive environments, such as the northern and eastern United States. Another recall on this model-year Sierra was for a retention nut found on the brake hub assembly. This retention nut for the hub bearings tended to come loose, creating brake noise and eventual separation of the wheel from the hub. One of the other recalls was for a defective parking brake installed on manual transmission Sierras. The friction lining was prematurely wearing, preventing the parking brake from working.
2004 GMC Sierra Recalls
The 2004 GMC Sierra 2500 model had two recall notices. This Sierra had a problem with the brake hub assemblies in 6,800 vehicles. The anti-lock braking system (ABS) sensor cord was installed too close to the brake rotor dust shield. This interference problem affected the ABS sensor enough to cause unexpected activation of the ABS brakes at slow speeds. The other GMC Sierra recall for this model-year was for the Sierra van which had defective wheelchair-adaptive equipment installed.
2006 GMC Sierra Recalls
A recall was issued for the 2006 GMC Sierra because of the same brake sensor problem found on the 2004 Sierra. The ABS brake cord leaves the hub at a 90-degree angle, which caused the cord to rub up against the dust shield of the brake rotor. This design made the ABS sensor activate prematurely, increasing the stopping distance. The only correction for this design defect is to have the hub assembly and ABS sensor cord replaced with components that do not rub against each other.
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