One problem related to power steering pump has been reported for the 2005 Toyota Prius. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2005 Toyota Prius based on all problems reported for the 2005 Prius.
I brought my car in for a recall on steering mechanism which resulted in a bolt replacement. The service adviser advised me I needed to replace water pump. This car already had one pump replaced on a recall, why was the other pump not recalled?.