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Drive Belt Tensioner Diagnosis

WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.

Diagnosis consists of a function check on the automatic belt tensioner and a visual check on the belt and the components linked to the belt.

  1. Apply the tension to the belt tensioner via the cast projection (1) in the direction of the arrow, counterclockwise and allow to slide back slowly.
    Fig 1: Applying Tension To Belt Tensioner
    GM3655938Courtesy of GENERAL MOTORS COMPANY
  2. The tensioner must slide back to the initial position.
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