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idk where people are getting this idea that the cam syncro, or any acc. on the camshaft snout is going to cause a squeaking. All those parts are fully covered in oil while the car motor is spining. The chance of any of those parts making a "squeaking noise" is damn near impossible. thats like a spun bearing making a squeaking noise. those parts are more likely to chatter, and even then there would have to be an excessive amount of wear for that to even happen. I'm talking about miles and miles on the car. and even then the car would have to be run at that certain part of the motor with no oil to cause the scoring that would make it chatter NOT SQUEAK. And IF that were the case you'd spin a rod bearing before that would even happen. actually a few rod bearing and your motor would be knocking and toasted.
if your talking about the actual senosr...that too i highly doubt...although that doesnt get oil, i highly doubt it'd squeak