One problem related to water pump has been reported for the 2006 Suzuki Grand Vitara. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2006 Suzuki Grand Vitara based on all problems reported for the 2006 Grand Vitara.
While driving, belt tensioner seized breaking belt and over heating car. Both belt tensioners have been replaced. There is a recall for the power steering/fan tensioner. Not for the water pump/alternator pulley/tensioner.