I know there are lots of threads on whirring and whining noise but I can’t find one with the exact same symptoms/problems. My jeep is whinning whenever accelerating or decelerating in gear. The second I push the clutch in, it stops. If the jeep is in neutral and I rev it, the whirring starts again and shortly stops when the rpms go back down to idle. I’ve heard it could be u joints, pinion bearing but are there any other ideas? I realllyyy don’t want it to be the pinion bearing as I have no money to replace it if it is and no presses or any equipment to do it myself. I originally thought it was the transmission since it would only sound when accelerating and decelerating but because it happens when I rev in neutral, doesn’t that mean it has to have something to do with the engine since the clutch or flywheel and transmission arent engaged? I’ve also come to the assumption that it isn’t the pinion bearing since the sound stops when the clutch is engaged but the car is still moving (therefore the pinion and driveshaft are also moving). Could it be the power steering pump pulley? I do need a new pump as it whines when I turn but when I replaced the belt about a month ago, everything seemed fine. Nothing was loose. Any ideas would be greatly appreciated. Here is a link to a video I recorded of the noise.
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