This guide provides a clear overview of the 6.7 Cummins belt system and tensioner, explaining their roles, common issues, and maintenance tips. Learn how the serpentine belt functions, how the tensioner ensures proper performance, and when replacement is necessary. Essential for diesel owners and mechanics, this resource helps maintain engine efficiency, prevent breakdowns, and extend the life of your 6.7 Cummins components through proper care and timely inspections.