CHART 24-ENGINE NOISE
| System & Component(s) | Reference |
|---|---|
| SQUEAL, CLICK, CHIRP Oil Level Low Valve Train Drive Belts (loose, worn) Drive Belt Components EEC Solenoids | Perform a visual and audible inspection. Check engine mechanical condition. |
| RUMBLE, GRIND Belt Driven Components | Perform a visual and audible Inspection |
| RATTLE Loose Components | Perform a visual and audible inspection. |
| HISS Thermactor System Leaks Vacuum Distribution System Leaks Air Induction System Leaks Spark Plugs Loose Cooling System Leaks EVAP System Leaks | Perform a visual and audible inspection. |
| SNAP Secondary Ignition | Perform a visual and audible inspection. |
| RAP, ROAR Exhaust System Leaks Thermactor System | Perform a visual and audible inspection. Inspect exhaust system. |
| KNOCK Connecting Rod Bearings Worn Main Bearings Worn Piston Pins Loose Piston to Bore Clearance Detonation (Spark Knock), See CHART 14 | Check engine mechanical condition. |
DIAGNOSTIC CHART 24-ENGINE NOISE