Lumina L4-151 2.5L (1991)
Drive Belt: Testing and Inspection
Serpentine Drive Belt Removal & Installation
Inspect
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Routine inspection of the belt may reveal cracks in the belt ribs. These cracks will not impair belt performance and therefore should not be
considered a problem requiring belt replacement.
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The belt should be replaced if sections of the belt ribs are missing or if the belt is outside of the tensioner's operating range.
Important
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Belt tension is maintained by the tensioner and is not adjustable.
