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Routine 212 - Engine Noise

ROUTINE 212 - ENGINE NOISE

SYSTEM & Component(s) GO TO:
SQUEAL, CLICK OR CHIRP: Oil Levels (Low), Valve Train, Drive Belts (Loose), Belt Driven Components, EEC Solenoids Perform a visual & audible inspection, Check engine mechanical conditions
RUMBLE, GRIND: Belt Driven Components Perform a visual & audible inspection, Check engine mechanical conditions
RATTLE: Component (Loose) Perform a visual & audible inspection, Check engine mechanical conditions
HISS: Thermactor, Vacuum Distribution & Induction Systems Leak, Spark Plug (Loose), Cooling System (Leak), EVAP System (Leak) See BASIC TESTING , Perform a visual & audible inspection, Perform a visual inspection
RAP, ROAR: Exhaust System (Leak), Pulse Air System (Air Cleaner) Check Exhaust System, Perform a visual & audible inspection
KNOCK: Connecting Rod Bearing & Main Bearing (Worn), Piston Pin (Loose), Piston to Bore Clearance (Cold Engine), Mechanical Fuel Pump Detonation Check Engine mechanical conditions, Go to ROUTINE 215