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Cobra Jet
Well-Known Member
Rear diff pinion bearing is most common for making that type of noise and it is more present when the vehicle is under load.
If you’re driving and you take your foot off the gas in the range you’re feeling/hearing it - does the noise subside? Will it also subside at lower speed/rpm, then become present as soon as you hit a certain speed/rpm?
If the answer is yes to both above it’s usually the pinion bearing.
If it were a wheel hub, usually the noise gets louder as the car leans into the side with the bad hub or the noise will always be present and won’t “adjust” to speed/rpm.
If you’re driving and you take your foot off the gas in the range you’re feeling/hearing it - does the noise subside? Will it also subside at lower speed/rpm, then become present as soon as you hit a certain speed/rpm?
If the answer is yes to both above it’s usually the pinion bearing.
If it were a wheel hub, usually the noise gets louder as the car leans into the side with the bad hub or the noise will always be present and won’t “adjust” to speed/rpm.
