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Discussion Starter #1
Hi gents, i just installed a 2zz motor that was bought and never used for years, i did about 600k's and when i lifted the car it started developing a knock on the pulley side which is louder from the right tyre, could it be a oil pump failing?
 

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The oil pump won't knock. Locate a mechanic's stethoscope and probe/listen to isolate the source. My 5 cents.
 

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Electromagnetic Wave :-h
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Could be belt tensioner noise.
 
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