Harmonic Dampeners: Why They Fail, What to Look For
Every time a cylinder fires, the crankshaft speeds up a very small amount for a short period of time. It is then slowed down as the next cylinder in the firing order compresses air and fuel for the next combustion event. The speeding up and slowing down of the crankshaft produces torsional vibration or twisting
Automatic Belt Tensioners Are More Than Just Springs
A worn automatic belt tensioner has consequences beyond a loose belt. When an automatic belt tensioner wears down, the belt and attached accessories will start to take an extra pounding because the tensioner can no longer dampen the power pulses of the crankshaft. The effect on these components is similar to when a car has
Everything You Need To Know About Stretch Belts
Stretching the belt may seem counter intuitive after everything you have been told about serpentine belts. But stretching the belt with the right tools is often the only way stretch belts can be installed. Stretch belts can take loads off of the main accessory belt drive, allow for better packaging and solve NVH problems that
10 Tips For Serpentine Belt System Inspection And Service
1. Where is the wear? Like a tire, the friction between the belt and pulleys wears away at the belt, usually on the tops and walls of the ribs. Eventually the grooves of the pulleys will bottom out on the grooves of the belt, and then the belt will start to slip. According to one
