One problem related to clunking noise has been reported for the 2006 Chevrolet Uplander. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2006 Chevrolet Uplander based on all problems reported for the 2006 Uplander.
Clunking sound while traveling over bumps or slightly uneven pavement coming from under van. This clunking sound has gotten gradually worse and much louder since purchasing vehicle. Technician was able to hear the clunking sound but vehicle needs to be brought back in.