Visual inspection is critical. Any sign of movement laterally is grounds for replacement.
A vehicle’s ignition system must provide sufficient spark to the right cylinder, at the right time, thousands of times every minute. Making accurate ignition repairs an absolute must. With our best practice guide to servicing ignition coils, you’ll know how they work, why and how they fail, and how to replace them for a high
Smaller vehicles can actually create more torsional vibration. This video is sponsored by LuK, a Schaeffler brand.
This type of failure is the result of severe vibrations in the accessory belt drive system. While a broken tensioner may be the result, the root cause often lies elsewhere in the system.