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Re: 1999 Nissan Altima - Whining Sounds When Accelerating
Well, not sure if the temps have a direct cause for your problem, but you may want to check the CV joints on your axles. If you have ripped a boot, and lost the grease, that could cause a whinning. There are also a few other things it could be as well............any more info?
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A whining noise during acceleration usually, is from the gear set, indicating the pinion is too close to the ring gear. I believe the eclipse is a FWD car though. Could it be the transmission you are hearing?
check power steering pump fluid, with engine off try to wiggle every pulley if any move at all that's your culprit, power steering, alternator, idler puller, water pump, but sounds like bearing failure
you call it the serpentine belt, we call it the fanbelt.it,needs tightening,slightly loosen the alternator, then pull away from engine and tighten belt, tight enough when you can move longest part of the belt, between pulleys, 1/2 inch in/out.
if squeel re occurs fit new belt.
sounds like a wheel bearing maybe faulty from your text it sounds like it could be the osf you could try jacking vehicle up with engine off handbrake applied and in neutral spin the wheel and see if it makes noise or wiggle it to see if it has any play possibly take off greade cap and see if any grease in bearing /
Have you tried to narrow the noise location. is it comming from the transmision safety plate? is it comming from the belts, or a pully? Have someone litely step on the gas and try to reproduce the noise while not in gear. If possible locate the noise, or narow it down to some sort of location. There are just to many variables to say what it is at this point.