One problem related to ball joint has been reported for the 2000 GMC Sonoma. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2000 GMC Sonoma based on all problems reported for the 2000 Sonoma.
Consumer states oil cooler line went bad and engine has a rattle when it is cold, also the rocker arm makes a noise when it is hot. The rear differential pinion seal was bad. It was replaced, but there is still a bad growl coming from the rear end when the consumer accelerates. The left door rattled, the right upper door hinges bushings were bad, there was no grease on the front ball joints, the front actuator motor for the 4-wheel drive was replaced.