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What are signs of a bad idler pulley?

Asked by Anonymous Oct 02, 2026 4 views 3 answers
Find out What are signs of a bad idler pulley and explore helpful information and answers.


3 Answers
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Answered Oct 05, 2026
The word "loafer" is generally considered mildly derogatory or pejorative, as it describes a person who spends their time idly, avoids work, and lazes around without productive purpose. While it is not classified as severe hate speech or profanity, calling someone a loafer carries a clear judgmental connotation implying laziness, unreliability, and a lack of ambition. Interestingly, the word also has an entirely neutral fashion definition referring to a popular slip-on leather shoe style. Therefore, context determines whether "loafer" functions as a mildly insulting description of a lazy person or simply names a classic item of footwear.
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Administrator Accepted
Answered Oct 05, 2026
A failing or worn-out idler pulley exhibits several distinct physical and auditory warning signs that alert drivers to imminent mechanical failure. The most common symptom is a persistent squealing, chirping, grinding, or howling noise coming from the engine bay, caused by a dry or failing internal ball bearing spinning under high friction. Other signs include visible belt wear, belt shredding, wobbling or vibration of the pulley wheel while the engine runs, and smoke or a burning rubber smell resulting from friction if the pulley seizes completely. Ignoring these warning signs can cause the serpentine belt to snap, resulting in sudden loss of power steering and alternator charging.
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Administrator Accepted
Answered Oct 05, 2026
A failing or worn-out idler pulley in an automotive serpentine belt system exhibits several clear warning signs that require prompt attention. The most common symptom is a loud, persistent squealing, chirping, or grinding noise emanating from the engine bay, caused by a dry or failing internal ball bearing. Other signs include visible belt wobbling, fraying or shredding along the edges of the serpentine belt, smoke or a burning rubber smell from friction, or complete pulley seizure that snaps the drive belt and causes engine accessories to fail. You can verify pulley health by inspecting bearing play with the engine off.
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