Squeaks... Help

[Lucky SOB]

My car makes this terrible squeaking sound, always has since I've owned it. Any thoughts?

It's only between 1600-2100 rpm and is mostly heard on decel while driving, but can be heard at sustained rpms standing still in the driveway.

Video in next post.

[Lucky SOB]

Here's a Facebook link... Wtf is with YouTube and Google joking forces. I can't sign in to youtube to save my life.

https://m.facebook.com/story.php?sto...00002873378230

[Lucky SOB]

Tapatalk doesn't let you upload videos?


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[new_f-bodyist]

It might be your ac compressor clutch if it's an lt1


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[1BADAIR]

Can't see the vid but make sure the Pcv and brake booster hoses aren't collapsing

[sman]

Can't see the vid but make sure the Pcv and brake booster hoses aren't collapsing

This happened to my car a few years ago, eluded me forever.

Possibly bearings in the alternator? Bearings in the tensioner pulley?

[dawdaw]

Sounds like your opti took a dump

[Will]

I can't see the vid, but what you describe is a lot like when my AC compressor went.

[meissen]

Guys he has a 2000 Trans Am, it's an LS1.

Also, in his video - there's no belts hooked up, so it can't be any of the accessories like alternator or A/C

[Lucky SOB]

Brian - is there a way to upload a video directly to the site?

[meissen]

Nada senor, sorry. Facebook or YouTubee

[s.reef]

Valvetrain? Lifter?

[Lucky SOB]

Found the problem!

Only 3 of the 4 primaries on the headers are fully welded 360* to the collector. The 4th is only welded about 270* around. This makes sense because I'm sure they have access to all 360* of the first three, then the fourth they just get as best they can.

Well I lobbed some anti-seize in the un-welded area on the fourth and the whistle/squeaks went away. I had to do this for both headers.

Now this is obviously temporary and I've already blown the anti-seize out when I rev'd over 4k. The plan to fix this is to first call QTP and see if they'll help me out. If I can't get any movement there, I'll pull them and see if a shop can braze them closed.

[sman]

Very weird. Keep us posted on this one.
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[JoeliusZ28]

Glad it isnt anything major!