Question about 2003 GMC Sierra 1500

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Emergency brakes not working - 2003 GMC Sierra 1500

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Could be several different things that may be causing the parking brake. The sierra uses a simple cable pull system. If the cable becomes loose you will not have emergency/parking brakes. If the cable is tight then the shoe located inside the rear brake drums is worn or broken. If there is no cable coming from the parking/emergency brake pedal inside the cab then it has been either broken out or removed at some point, which is easy to do if taken off-roading.
Keep in mind that only the rear wheels have parking/emergency brakes. Front wheels have none.

Posted on Sep 28, 2010

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