Hello,
Recently picked up a '97 4Runner 4wd 5spd. Got a whine when the throttle is pressed/engine under load in 3rd, 4th, 5th. Greased the u-joints already. Vacuum leak?
Below is a video. You hear it better on the second run-up (volume up a little)
https://youtu.be/5cOranAsXd8
Thanks in...