what causes "sewing machine" type noise at first morning start? on 2009 Toyota Camry

noise starts in mornings or when eng cold, thengoes away after warm up. car only has 34k miles

by in La Crescenta, CA on July 25, 2011
2 answers
ANSWER by on July 25, 2011
It could be many things, unfortunately and without hearing the noise first hand or being able to do some basic diagnostic tests or be able to drive the car, its hard to say what the source of the noise may be. I would say power steering oil being thick and as it warms up the noise may go away or engine oil being to thick (wrong viscosity). Is it still under warranty or extended warranty? Get a professional opinion you may want to drop off your car the night before so the engine and oils are cold so that the person working on your car can experience the noise.
ANSWER by on July 26, 2011
Noises are a difficult concern to address, especially with out hearing the noise. I would recommend bringing the vehicle in, as it may be a normal noise. ( We would be able to show you others, if this is the case) Ususally engines make different noises when cold vs hot, caused by expansion of the parts inside, and clearences cold vs hot. we would be happy to listen to your noise Monday through Friday, Saturdays are very busy and the wait time usually doubles. Regards, Billy Stewart Longo Toyota

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