Toyota Sienna owners have reported 4 problems related to engine rattling and whining sounds (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Toyota Sienna based on all problems reported for the Sienna.
The contact owns a 2005 Toyota Sienna. While starting the vehicle, the contact heard a rattling sound and felt an abmornal motion in the front of the vehicle. The vehicle was taken to an independent mechanic where it was diagnosed that the engine supports failed and needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the issue. The approximate failure mileage was 60,000.
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The contact owns a 2009 Toyota Sienna. The contact started the vehicle and there was an excessively loud rattling noise in the engine compartment. In addition, an odor of anti-freeze circulated inside of the vehicle. The failure only occurred when the vehicle was started. The vehicle was taken to an authorized dealer. The vehicle was not inspected or repaired for the malfunction. The failure mileage was 3,000.
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: the contact stated a loud rattling noise was heard coming from the engine compartment of the vehicle every time it was started. There were no indications of any additional problems. The vehicle was taken to a sales dealer three times, and the dealer was unable to duplicate the problem. Update onh 06/05/2006.
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Engine went out while driving 55 mph. Dealer replaced engine. Currently, new engine is making a rattling sound intermittently. Dealer cannot find problem with engine. Also, power locks are not working properly, sometimes it takes 3 or 4 times before doors will open.
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all problems of the 1999 Toyota Sienna
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