Squeaking when warm outside?
And here's some squeal/tensioner/belts-related threads:
https://ls1tech.com/forums/generation-iii-external-engine/213246-what-darn-squeaking-coming.html
https://ls1tech.com/forums/generation-iii-external-engine/247645-tension-pulley-question.html
https://ls1tech.com/forums/new-ls1-owners-newbie-tech/255469-whine-engine-bay-please-help.html
https://ls1tech.com/forums/generation-iii-external-engine/240141-help-me-squeaky-engine.html
https://ls1tech.com/forums/generation-iii-external-engine/240735-easy-one-how-change-belts.html
https://ls1tech.com/forums/generation-iii-external-engine/241275-squealing-engine-bay.html
https://ls1tech.com/forums/generation-iii-external-engine/241003-pulley-squeeking.html
https://ls1tech.com/forums/generation-iii-external-engine/240957-belt-tensioner.html
https://ls1tech.com/forums/generation-iii-external-engine/252095-tensioner-pulley.html
https://ls1tech.com/forums/general-maintenance-repairs/253810-stupid-squeaking-pulley.html
https://ls1tech.com/forums/new-ls1-owners-newbie-tech/254002-never-replaced-serpentine-belt-help.html
https://ls1tech.com/forums/generation-iii-external-engine/256241-high-pitch-squeak.html
Sounds like the idler pulleys are a pretty common source of squeals too.


