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2015 Lexus 460 GX 75,000. We are having an issue with a squalling belt pulley, It only happens when its raining or pouring water on the pulley,
I thinking its the water pump pully, but it not leaking and coolant level is good. I tested the issue pouring water on that area and it will act up squealing.
Its the Misses truck and she complaining when its raining, which is every other day on the east coast.
I don't want to replace the water pump yet if its not leaking. Any advise is much greatly appreciated, Thanks in advance
bottom splash guard is in place.
First is to check belt tension and for wear & cracks on both sides of the belt, at 75000 miles I would replace the belt
Also check the condition or replace the tensioner.