The squeaking squealing and grinding noises can certainly get on your nerves but the potential problems caused by a bad tensioner are far more than just casual annoyances.
Fan belt tensioner pulley.
The product type is blower fan tensioner pulley kit bobcat 873 873 s300 751 751 t190 s175 s250 773 773 863 863 t180 s220 s205 753 753 s150 763 763 s185 s130 s160.
Automatic serpentine belt tensioner pulley assembly replaces 38158 88929140 compatible with chevy gmc other gm vehicles avalanche silverado tahoe trailblazer sierra yukon escalade.
A failing belt tensioner can cause a lot of problems in your vehicle.
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This mandates the use of a belt tension pulley in order to keep the belt tight as well as to react to belt stretch and aging.
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Modern vehicles use a single flat serpentine style fan belt with no adjustable engine components.
Furthermore a functioning pulley certifies all accessories turn at the proper rpm.
By placing the pulley on a spring loaded bracket the belt can continually be adjusted as it might become stretched and loose.
09 get it tue sep 29 fri oct 2.