One problem related to windshield wiper/washer has been reported for the 2000 GMC Sierra. The most recently reported issues are listed below.
: the contact stated while driving various speeds with the windshield wipers engaged in rainy weather, the wipers worked intermittently. The vehicle was seen by a dealer for inspection who determined the bolts on the windshield wiper/washer arms needed to be tightened, which remedied the problem.