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SportTrac Discussion
Engine & Drivetrain
Engine bay whine
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<blockquote data-quote="swshawaii" data-source="post: 1041984" data-attributes="member: 67547"><p>Remove the belt and turn ALL the pulleys by hand to check for binding. If all pulleys are spinning smoothly, start the COLD engine and listen under the hood. If still "whining" you've likely isolated the sound to internal engine noise. Avoid running the cold engine without the belt for more than two minutes because it drives the water pump and will overheat quickly.</p><p></p><p>While you have the belt off use a nylon scrub brush and dish soap to clean the belt. Surprising what comes out of the grooves when you rinse it. If you're up to it clean all the pulleys too.</p></blockquote><p></p>
[QUOTE="swshawaii, post: 1041984, member: 67547"] Remove the belt and turn ALL the pulleys by hand to check for binding. If all pulleys are spinning smoothly, start the COLD engine and listen under the hood. If still "whining" you've likely isolated the sound to internal engine noise. Avoid running the cold engine without the belt for more than two minutes because it drives the water pump and will overheat quickly. While you have the belt off use a nylon scrub brush and dish soap to clean the belt. Surprising what comes out of the grooves when you rinse it. If you're up to it clean all the pulleys too. [/QUOTE]
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SportTrac Discussion
Engine & Drivetrain
Engine bay whine
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