I removed the serpentine, started car, no noise, I spun all the pulleys they all felt horrible, but I wasn't about to replace them all. With the help from a local mechanic that my family goes to often , he stethoscoped the pulleys and concluded there was noise coming from the idler and ALOT from the...

Pop the Aux belt off and try running the engine to see if the noise is still there or not: If the noise is still present it is the cam belt/ related pulley system. If the noise goes away then it could be any of the devices driven by the Aux belt, alternator, A/C compressor, Power steering pump or A...

Intro - Skip if you want Hi, long time lurker here, I'm 19 years old with a 2000 Volvo S70 SE Auto (Picked it up for free in poor mechanical condition, but most was related to suspension and steering rack problems). Unfortunately, I am in my 3rd year studying mechanical engineering and make little ...