Engine won’t start
Engine cranks but won’t fire
Ticking or clicking noise from the engine
Rough idling
Misfiring
Loss of power
Engine stalls
Check engine light is on
Visible cracks on the belt
Frayed or missing teeth on the belt
Glazing or shiny belt surface
Oil contamination on the belt
Belt looks loose or worn
Engine has high mileage and belt history is unknown
Belt replacement interval has been exceeded
Unusual engine noise after startup
Camshaft and crankshaft timing marks do not align
Engine runs poorly after recent belt service