Two problems related to water pump have been reported for the 2009 Toyota Highlander. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2009 Toyota Highlander based on all problems reported for the 2009 Highlander.
The coolant pump pulley broke and engine got overheated and stopped on a major highway and had to be towed. The vehicle has less than 60k miles on it. Dealer tells me that both the engine and water pump have to be replaced and would cost over $9,000.
The water pump went on my Toyota highland. I looked it up online and found out the water pumps are faulty and will make a sound like there is gravel in the motor. I had Toyota fix the problem under warranty, but I looked online and found that other people have the same problem. Should be looked into due to being bad pumps.