Answers.com > Wiki Answers > Categories > Cars & Vehicles > Auto Parts and Repairs > What is a belt tension pulley?
Answer:

Most cars now have a serpentine belt that drive the alternator, water pump, power steering unit, etc. The belt tension pulley is a spring loaded pulley that keeps the proper tension on all these units. It can be moved to release the tension in order to remove the belt.

First answer by LANOWAK. Last edit by LANOWAK. Contributor trust: 17 [recommend contributor recommended]. Question popularity: 2 [recommend question].

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