Nissan 370Z Forum - Squeal at high rpm

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shawnberry45

11-02-2019 04:16 PM

Squeal at high rpm

Having some issues with a loud screetch at 6k
I have Green belt, new belt tensioner, TBatt mod. Everything below 6k is quiet as a mouse.... any tips for things I can look for?

SouthArk370Z

11-02-2019 04:53 PM

Look for "glazing" of the belt and pulleys.

vtec to vvel

11-02-2019 06:23 PM

Quote:

Originally Posted by SouthArk370Z (Post 3886970)

Look for "glazing" of the belt and pulleys.

Check the FSM in his sig if you (OP) have any questions.

shawnberry45

11-02-2019 06:42 PM

Would that be from too tight if a belt? The tension on the belt looks pretty good

SouthArk370Z

11-02-2019 07:14 PM

In my experience, shiny spots are caused by slipping, which can be caused by a loose fit, belt past it's useful life (the rubber gets hard), oil on the belt, etc.

shawnberry45

11-10-2019 03:54 AM

Turned out to be a loose blower belt. Got it super tight and no more squeal!

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