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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General Inspection – Thermo fan switching on

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THE EFFECT
The cooling system will maintain normal operating temperature under all driveable conditions. 

THINGS TO LOOK FOR
It’s always a good idea to look at the thermostatic fan to understand how it operates.  Because thermostatic fans are thermostatically controlled, they should switch on and off.  A good thermostatic fan in a very good cooling system will switch on for between 20-40 seconds.  If the fan switches on for longer than 60 seconds this might be a cooling system that is ...

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FAQ 4,

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Question Australia-3-1 Overheating and trouble with Toyota dealership
username=Elizabeth H
VehicleType=Toyota Camry
VehicleAge=9
DistanceTravelled=approx. 60000
Trans=Auto
Driveline=FWD
Country=USA
State=Texas

IsThereRoadSafetyEducationInYourTown=Yes
Subject=Camry overheating
comment=My 1993 Toyota Camry overheated a couple of weeks ago.  I had it
towed to the dealership where the radiator and thermostat were replaced.
Now I cannot drive more than 1/2 mile without its starting to overheat
again.  If I’m driving, the needle stays at about the middle of the gauge.
If I am stopped at a light or ...

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FAQ 3,

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username=Jim Mayhan
VehicleType=blazer
VehicleAge=11.5
DistanceTravelled=150,000
Trans=Auto
Driveline=RWD
Country=USA
State=Georgia
Subject=Vibration
comment=I have a 1991 S10 4DR 4WD Blazer.  I purchased the Blazer in
September 1990.  Over the past year I have had vibration problems at highway
speeds and on accellaration and decellaration.  I have had new tires and
shocks and had the tires balanced a few times.  Finally, I took it to
the dealer and explained the situation.  On Tuesday, 4/16/02, I took it to
the dealer.  He was intent ...

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Virtualmechanic.com.au 20 years online

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Yes that’s right Virtualmechanic.com.au has been online since 1999. Helping millions of readers worldwide, looking back it all started with a dream to help people understand the basics of motor vehicle safety.
I see cars have changed in technology over the past 20 years and must say I’m not sure if we are heading in the right direction.
As so called technology is applied to the modern motor vehicle more things seem to go wrong. Take the airbag for example I would ...

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Accidents, how to get a rejected insurance claim

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If having an automotive accident is bad enough, the next step is to establish the cause of the accident.
When driving any vehicle its your responsibility to maintain a standard of roadworthiness.
In most cases you know when your car is unsafe, as it will tell you by making a noise or performing at of character.
Any driver can check their tyres for wear or damage, any driver can see if their car is leaking oil.
We have no excuse when it comes to ...

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Parking Fines, how to avoid them.

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The local councils have just got very clever these days, as they deploy as much technology as possible, form fixed cameras to moving cameras.
The local councils are banking on one thing.
Your time and money vs their time and money.
Many years ago local councils employed parking officers to be honest with courtesy.
Now quite the opposite where these wonderful strategies are used to catch you even if your not doing anything wrong.
I will speak from experience where we decided to deliver a ...

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Timing Belt Mitsu 4G63

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When Mitsubishi made the 4G63 SOHC engine 1992 a free rotating design it was an engine suitable for many applications. The timing belt with a free rotating component is the perfect solution to increase economy and performance. Free rotating engine simply means if the timing belt should break it any time no internal mechanical damage is evident to the engine. Not all engines designed with cam belts are free, in my opinion all engines designed with timing belts should be I say well ...

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