tricky1090

Anyone have any ideas what the sound is in the videos below? The first video sounds like like a bunch of crickets in the engine. Second one is a deeper pitch, metallic rattling kind of sound. The sound is intermittent, I just noticed it for the first time today.

<iframe width="560" height="315" src="http://www.youtube.com/embed/AKacm2QeWQA" frameborder="0" allowfullscreen></iframe>

<iframe width="560" height="315" src="http://www.youtube.com/embed/B3e4RjnxepQ" frameborder="0" allowfullscreen></iframe>

OCA::DIY Motorsports

Timing belt tensioner bearing. Put front end in service mode and get down there and listen closely or use a stethoscope to pinpoint.

Texas Twin T

Take a look at the
http://www.autozone.com/autozone/par...764601_0_1690_

remove the belt and spin the pulley by hand and see if that is the problem.

this might help

https://www.audiworld.com/tech/eng.html

2.8 Serpentine Belt Tensioner Replacement.