Three problems related to alternator/generator/regulator have been reported for the 2001 GMC Yukon. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2001 GMC Yukon based on all problems reported for the 2001 Yukon.
The serpentine belt has been replaced twice and then the alternator was replaced because when the truck is started it makes a squealing noise and after all that, it still makes the noise.
Multiple failures; a/c odors, door lock, suspension alignment and brakes. There were problems with the following: weather strip was loose, the a/c blew warm, the belts squeaked, there was a mildew odors, the window regulator, the front seat belt squeaked, the door panel, the steering wheel rattled, drive shaft, accelerator pedal, the wipers were noisy, the hinge pin on the radio was loose, engine noises, a/c drain would not drain at times until the passenger door was closed/water lead and caused by the left front floorboard. Recall#01v159000, 02v253000, 03v094000.
Cruise control failure caused by an aberrant voltage on stop lamp circuit. Also the pcm, starter and serpentine belt was replaced.