An old belt, even one that has been on less than a day will stretch. Also, if the belt is too tight, you are putting a lot of stress on the shaft, etc. which can cause squealing and/or bearing issues. Some of the applications I deal with are very large motor, belt and sheaves (pulley's), and we laser align and use a frequency meter to judge tension. For instance, the setup we installed today should be 18.1 MHz when new and about 15.4 MHz when used. This equates to the belt being stretched.
Worked fine on my phone.
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The squeak could be the front seal. Have you done the intake PCV check yet? It is one of the possible symptoms of a failed valve.Just started her up for the first time today. No more belt squeal, ac is cranking. Hopefully it stays like that.
The ticking sound is from the back of the motor, I'm thinking purge valve because that is one of the causes I've seen in the forum.
The rattle is from the exhaust manifold cover rattling.
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Update:
I can hear a very faint squeak when the AC is off. Noise from the cooling fan covers it.
I don't think the 1.8 has the PCV in the intake, from what I have read anyways. Just gapped and put new plugs in a couple of weeks ago. Brand new GM valve cover last week.
You are correct, must have had a brain fart!
