Engine System

General Inspection – Tappet noise

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THE EFFECT
A tappet noise can be an irritating noise but it is better than a quiet tappet.  Tappet noise may be the result of hydraulic tappets requiring replacement.  It also may be the effect of a low oil level or the result of the tappets requiring adjusting.

THINGS TO LOOK FOR
Check the oil.  If it’s been a long time since the oil has been changed, eg. 10,000kms, change the oil.   Consult your local spare parts dealer and tell them ...

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General Inspection – Ring gear slipping

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THE EFFECT
The whole neighborhood gets to hear it!  It’s a high pitched metallic noise that when cranking the pinion gear from the starter motor is trying to turn the ring gear that has no teeth left. 

THINGS TO LOOK FOR
Basically what you will find is that with every second crank, every fifth, fifteenth or hundredth crank, you will hear this noise..  If the noises become more common, eg. every second or third or tenth crank, it’s time to get ...

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General Inspection – Loose timing belt

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THE EFFECT
A loose timing belt will rub up against the plastic housing surrounding the belt.  It also can cause a distributor drive to chatter at idle.  A loose fan belt may slip causing the timing to go out which can give poor performance or  cause a potential misfire.

THINGS TO LOOK FOR
If you feel you have a suspect timing belt you may have to remove some of the housing to get to it to feel the belt  to see ...

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General Inspection – Loose fan belt

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THE EFFECT
A loose fan belt is a fan belt screaming out for help.  Also a loose fan belt may perish or deteriorate rapidly depending on whether it’s a polyrib belt or a ‘V’ belt.  A loose fan belt will also affect the charge rate and the cooling system if the water pump pulley is connected to that fan belt.  Any fan belt that is loose will affect what it’s driving.

THINGS TO LOOK FOR
Check the belts for tension.  If ...

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General Inspection – Thermo fan not switching on

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THE EFFECT
The car will overheat mainly when it’s idling.

THINGS TO LOOK FOR
A thermo fan should switch on periodically when idling.  If it does not, make sure the connection to the thermostatic fan switch is okay. A fan fuse might also have gone.  Check all the fuses. Find the thermo fan relay, wiggle the relay or swap that relay with an air conditioning relay, provided that the amperage on the relays are all the same.

COST
Depending on why it’s ...

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