MD99SC300

So about 3 months ago there was a squeaky noise coming from my engine and didn't really pay any mind to it. The last week though it has developed into a clanking/grinding noise (video) and though it's hard to hear where it is coming from I've seemed too narrow it down to these two pulleys:



From what I've been reading looks like the crank pulley often fails on our cars. But could it be the other pulley (or any other pulleys)? And if so, what pulley is that? Also, how much does this repair typically cost? Is this what the sound of a faulty pulley sounds like? Anyone else experience this type of sound, if so, what was the culprit?

By the way, it's not the AC compressor squeaking.

Here's the video:
http://s52.beta.photobucket.com/user...30055.mp4.html

scmaluco

iTrader: (6)

That sounds like its your tensioner pulley.. i believe theres a bearing some where in there or it could be the spring i dont know.. but my 1jz was making a similar noise.. only difference it would come and go.. but not as loud. sometime it could get a little loud but not bad at all .. anyways still have the same one. noise went away , but i do keep an eye on it...

Luxor

iTrader: (15)

Tensioner pulley. Take off your belt and see if the pulley spins freely or has play in it.

onlydrinkk

iTrader: (1)

Its the tensioner pulley. My brothers sc made the same noise until we changed it.

MD99SC300

Thanks guys! Today morning the noise died down suddenly and I started to smell a metal to metal odor. Noise is still there but not as loud. I'm going to have to take this to a mechanic, dont really have time to remove the belt and diagnose.

MD99SC300

...Nevermind, I guess I'll be towing it to a mechanic. Belt broke, guess the pulley seized up and friction took it's course.

Supruxes

iTrader: (2)

The crank pulley made zero noise when it failed on me...ask me how i know.

MD99SC300

So looks like you guys were right. Tensioner pulley doesnt turn and leftovers of the belt are smeared on it.

Luxor

iTrader: (15)

That's a bummer. Replacement bearing can be found at NAPA for around $14.