Removed the accessories belt - engine ticks over quietly as it should. Had replaced the accessories belt tensioner 3 years ago with a new one? which I bought from the dealership. Suspected the alternator - removed alternator front bearing - rough when spun by hand - front of rotor shaft badly scored...

to Vegasjetskier

Transmission whine seems to be constant when changing up.
How do I tell if it is a tensioner bearing etc

Mortoni

Hi, Guys, My s80 1999 2.9L has developed a loud whine/hum which is getting louder and louder. The sound increases with the the speed of the engine - running or at idle. Is this a transmission issue or something else. I've tried to pin point it with a stethoscope but no luck. Car run fines and seems ...