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i am difficulty identifying an intermittent noise, possibly from the differential/driveshaft of my mustang.
i had an aluminum driveshaft installed, and recently when cold, i am hearing a squeaking noise whose frequency is proportional to the speed of the vehicle. it's definitely coming from the back, and started a few weeks after the driveshaft went in. when the car warms up, the sound disappears, so it has been difficult to diagnose by a mechanic because by the time i get to the shop it cannot be replicated.
using the brakes or coasting in neutral has no effect on the noise. it does not make the sound when going in reverse. nothing appears to be leaking.
help?
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"The guy in the CR-V meanwhile, he'll give you a haughty glare. He's responsibly trying to lessen his impact, but there you go lumbering past him with your loud V8, flouting the new reality. You may as well go do some donuts in a strawberry patch and slalom through a litter of kittens." Dan Frio, Automotive Editor, Edmunds
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