WHAT IS THAT NOISE!!??!!

SOUND

POSSIBLE PROBLEM

SOLUTION

BACKFIRING

Incorrect ignition timing, faulty ignition or leaking valves

Have ignition and/or valves checked.

CLATTER FROM ENGINE

Insufficient engine oil. 
Worn or badly adjusted valves.

Add oil.
Refer to a mechanic

WHINING OR CHATTERING FROM ENGINE

Incorrectly tensioned camshaft drive belt.

Refer to a mechanic as soon as possible

RATTLE WHEN ACCELERATING

Wrong grade of fuel;
engine overheating;
engine needs decoke
incorrect ignition timing;
ignition system fault.

Use higher grade of fuel;

Refer to a mechanic.

KNOCKING FROM ENGINE WHICH INCREASES WITH ENGINE SPEED

Worn camshaft or cam followers.

Refer to a mechanic as soon as possible.

SCREECH UNDER ACCELERATION

Slipping auxiliary drive belt/fan belt.

Check/adjust belt or have a replacement fitted.

SCREECH WHEN STEERING

Power steering belt slipping.

Check/adjust belt.

MOAN FROM ENGINE WHEN STEERING

Power steering fluid level too low.

Top up power steering fluid level.

ROAR OR RASP UNDER ACCELERATION

Blown exhaust.

Have exhaust checked.

SQUEAL OR GROAN WHEN BRAKING

Worn or defective brake components.

Refer to a mechanic.

HISS FROM ENGINE

Leak from coolant or air/vacuum hoses.

Refer to a mechanic.

CLICKING FROM WHEELS

Loose hubcap;
stone in hubcap, or stone lodged in tyre tread.

Tighten hubcap;
remove stone.