2006 Jeep Wrangler Unlimited 4.0L TJ/LJ: Belt tensioner and Idler Pulley Install

I am trying to chance a coolant issue. The jeep raises in temperature at once on the hightway. I have already replaced the radiator, termostat, temp sensor, and hoses.Torque Specs and detailed Information in video. Schematics Music: Upkeep and a Jeep Mopar Idler Pulley https://www.amazon.com/dp/B0055HNBMC?... Mopar Belt Tensioner https://www.amazon.com/gp/product/B00...