[cyow5]

Hey guys, so a year ago I noticed an intermittent squeal that I never got a chance to track down because the car's been in the shop since then. A couple days ago, I drove it for the first time in 11 months and the squeal was consistent enough to figure out the pattern:

It is mostly rpm-dependent, so I am thinking serpentine belt. With the motor warm, it starts squealing around 3-4k rpm regardless of load. I have 47,000 miles and no supercharger. Don't ask if the belt is cracked - I had the car for about 12hrs before returning it for the remaining work and most of my time was spent chasing other things so I can't attest to the quality of the belt. The sound doesn't change with load and is kinda audible at idle when cold. Doesn't change when I hit the AC either. It seems like the belt isn't too hard to change from what I've read on here, but I just don't have any time for trial and error given that I am 600 miles from the car and picking it up soon. I'll only have a couple days with it before the long drive.




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[sturgeongeneral]

It's the belt and fairly easy to change. Make a lacing diagram for all pulleys before you start. Someone posted a how to video a couple days ago.

 

[cyow5]

It's the belt and fairly easy to change. Make a lacing diagram for all pulleys before you start. Someone posted a how to video a couple days ago.

I was just looking at that thread, so I caught how import the diagram is!

What actually makes the squeaking noise when a belt is going out?


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[sturgeongeneral]

First lets just say the 2zz tensioner is pretty inadequate. Then we can say the fibers bonding the belt together break down from tension and heat.

 

[cyow5]

First lets just say the 2zz tensioner is pretty inadequate. Then we can say the fibers bonding the belt together break down from tension and heat.

Just got the call from the mechanic - he said the tensioner needs to be replaced, too


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