Tapping or ticking from the top end of the engine
→ Loose valves or other valvetrain issues
Tapping or ticking from the bottom end of engine
→ Main or rod bearing issues
Rushing air sound that increases with engine speed
→ A loose component in the intake tract
Screeching that changes with engine speed
→ Worn or loose drive belts
Pinging under acceleration
→ Ignition timing off and/or not enough high-octane fuel
Engin roaring sound (in a bad way)
→ Exhaust leak
Screaming from the front of engine
→ Worn coolant pump
Ticking from the rear of car
→ Electric fuel pump issues
Bad bearing/rattling sound that goes away when the transmission is in neutral and the clutch pedal is depressed
→ Worn input shaft bearing
Whirring that changes with car speed as well as side-to-side suspension loading
→ Bad wheel bearing
Whirring that changes with car speed
→ Tire issue
Squeaking or groaning over bumps
→ Dry or worn anti-roll bar bushings or suspension bushings
Clanking from underneath over bumps
→ Loose suspension components or worn suspensions bushings
Clanking, hollow sound from underneath over bumps
→ Loose exhaust system
Scraping or ticking sound that changes with car speed
→ Worn brake pads
Screaming from the passenger seat
→ Driving too fast or erratically