Have a 2006 STS V8 and I have noticed a slight high pitched whining noise when I start the car and when the car is accelerating and warming up. It seems to go away after awhile. Any ideas? 40,000 miles on the car
Under light acceleration & stops when you step harder or let off. There's a TCM reflash available. If it's only when cold, you may want to knoe the reflash is not reversable.
ALSO.....Power steering fluid, is a major contributor for whining noises.
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