Belt squeal
#1
Driver
Thread Starter
Belt squeal
Well I have a 2001 gs300, with about 163k and it poured hard for about 3 days and after my belt started squealing added some lubricant and it goes away for a bit and quiets down, once I accelerate it kinda goes away but comes back when idling any ideas what it could be?
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firelizard (05-06-19)
#3
Driver
Thread Starter
#4
Start the engine for a bit, without the belt... does it make noise? Try a new belt... noise?
Then you can start working your way down the pulleys...
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QLex300 (01-09-22)
#6
Well you know it's the belt if you spray it and the noise stops. A bad pulley wouldn't quite down from spraying the belt. When you have the belt off it's a good idea to wiggle your pulleys and look for loose parts. Also pay attention to when you pull on the tensioner for a good hard resistance. If it's super easy to pull and almost needs help to be returned to taut, replace the tensioner.
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QLex300 (01-09-22)
#8
Possible causes:
The belt is worn out.
The tensioner isn't working properly
One of the driven accessories is requiring more torque to spin than the belt can provide.
I'd remove the belt and check all the accessories and the tensioner and make sure they are turning smoothly. Then I'd replace the belt with a new one.
The belt is worn out.
The tensioner isn't working properly
One of the driven accessories is requiring more torque to spin than the belt can provide.
I'd remove the belt and check all the accessories and the tensioner and make sure they are turning smoothly. Then I'd replace the belt with a new one.
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QLex300 (01-09-22)
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