2003 GMC Envoy - Pt4 Idler + Tensioner pulley repair - diy trailblazer raineer 4.2l 4x4 suv

Next up I replace the idler and tensioner pulleys as their bearings are making noise and on their way out! 2003 GMC Envoy SUV 4x4 4.2L auto, similar to chevy trailblazer and buick raineer of same model year ranges.