Remove Serphatine Belt on 2001 Chevrolet Silverado 3500

I can not find a way to release tention on belt there is no tension release which I can use a 3/8 drive on it is a 8.1 litre no tension release just pully below alternator. Ok found the tension release it had no rachet hole you have to use a 5/16 sock on top of tension pully to release tension thanks folks..

by in Manchester, NH on June 26, 2010
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1 answer
ANSWER by , January 28, 2011
There is a 3/8 square hole on the Idler pulley to use to loosen the pulley to remove the belt.The pulley is spring loaded.Put a 3/8 drive 4" extension on a 3/8 drive socket wrench & insert it in the 3/8 hole.Just pull & the pulley will move to pull the belt off.You'll have to hold the pulley with the wrench untill you remove the belt.