hintsandthings.co.uk »Garage

What’s that noise? Diagnosis of unusual car noises, symptoms and possible solutions.


logo.jpg (10651 bytes)

GARAGE

HOME
Garage
  Workshop –  Office –  Library
–  Living –  Nursery
–  Spare
Utility –  Kitchen –  Gamesroom
–  MusicGarden
–  Kennel

SEARCH

 

broken down car

WHAT IS THAT NOISE!!??!!

 I am sure this
is familiar to many of us – you are motoring along and you hear a noise.  

Where
is it coming from?  

What
can it be?

Is
it dangerous?

Should
I get out and take a look, or keep my head down and hope it goes away?

Here
is a rough guide showing some of the sounds you may experience, the possible
problem
and the solution.

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.

  

Motor
parts and their uses.


Information on car batteries, spark plugs, oil and tyres (tires)

How to clean and
protect bodywork.


 

 

 

 

Copyright © 2000-2020
Hints and Things
All Rights Reserved.

No portion of this site may be reproduced or redistributed without
prior written permission from Hints and Things. All trademarks &
copyrights throughout Hints and Things remain the property of their
respective owners.

Hints and Things
cannot be held responsible for any information given on this site
nor do they necessarily agree with, or endorse, the views given by
third parties.