2001-2005 Century, Grand Prix, Impala, Intrigue, Lumina, Monte Carlo, Regal
3.1L and 3.4L diagram posted below
Using a 15mm box end wrench, rotate the tensioner pulley and slip the belt off.
Before installing the belt, be sure to inspect all the pulleys and make sure that none of them are damaged and all of them are free and clear of any dirt or debris.
Route the belt according to the correct diagram for your vehicles engine size and vin number.
Maintain tension on the belt and rotate the tensioner using the 15mm wrench and slip the belt over the tensioner.
Double check all of the pulleys and make sure the belt is on all of them correctly.
Make sure the mark on the tensioner pulley is within it’s range, according to the tensioner pulley housing.
3.1L and 3.4L Diagrams