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AskPatty.com, Inc Auto Tips and Car Care: Serpentine Belt Overview

Posted by AskPatty - Automotive Advice for Women at Dec 16th, 2015 9:06am

Your serpentine belt drives essential engine accessories like your alternator, air conditioning compressor, and power steering. In some autos it may also power the power brakes or water pump. The serpentine belt is powered by the engine and winds around pulleys and the accessories. Some vehicles have two serpentine belts. The serpentine belt, the belt tensioner (which maintains the appropriate tension on the ...


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AskPatty.com, Inc Auto Tips and Car Care: Serpentine Belt Tensioner

Posted by AskPatty - Automotive Advice for Women at Oct 16th, 2015 7:45am

The serpentine belt tensioner applies pressure to the serpentine belt, maintaining optimal tension to drive the accessories like the alternator and A/C compressor. The service life of the belt tensioner is the same as the belt itself, so they should always be replaced together. A worn tensioner prohibits the accessories from spinning properly, leading to premature wear and noise. Your auto manufacturer has a recommended ...


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