How to Deal with Squeaking Car Generator Belt?

1 Answers
LeJade
07/30/25 8:33am
Methods to address a squeaking car generator belt: replace the belt or use No. 100 sandpaper to polish the contact surface between the belt pulley and the belt. Causes of the squeaking sound: 1. Loose engine belt: If the engine belt slips, the main reasons are a loose or aged engine belt. Factors that can cause the engine belt to loosen include improper adjustment of the engine belt tensioner or insufficient tensioner spring force. In this case, the tension of the engine belt tensioner should be adjusted first. If this does not work, replace the tensioner. 2. Other reasons: brake pads worn to the limit; shock absorbers aged or malfunctioning; loose chassis screws. It could also be due to the engine belt slipping on the generator, air conditioning compressor, or power steering pump, causing intense friction and vibration between the engine belt and the engine pulley, resulting in a noise at a certain frequency.
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