One problem related to crankcase (pcv) has been reported for the 2004 Toyota Sienna. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Toyota Sienna based on all problems reported for the 2004 Sienna.
The contact owns a 2004 Toyota Sienna. While driving approximately 55 mph, the contact heard a loud noise and lost steering control. The vehicle was pulled over to the side of the road and towed to the contact¿s residence. The vehicle was later taken to an independent mechanic where it was diagnosed that the crankshaft pulley failed and needed to be replaced. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The failure mileage was 96,321.