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  #1  
Old 21-09-11, 11:07 PM
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mariusrautenbach mariusrautenbach is offline
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Default V8 viscous fan


Hi guys.

How do you know when the viscous fan is on its way out??
When I stop at home after say 1 minute the electric fan comes on. But temp stays the same, and have never had a problem with the temp since she was super hot last in late Desember..

Can it be the viscous fan? Or is it something else??

Thanks guys
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  #2  
Old 21-09-11, 11:28 PM
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How do you know the temperature stays the same - because the needle on the temp gauge is not moving? The standard temp gauge sits in the middle from about 60 degrees to probably 110 degrees... so it's not really a "good" measurement.
The fan will come on if the coolant temperature is 100 degrees Celcius (and in some other cases - check RAVE, and search in this forum - I have previously had a thread about this). Could be the viscous that is dying, could be the thermostat that is a bit stiff etc. I have a madman and are monitoring the coolant temperature from a probe in the upper radiator hose going to the radiator. My V8's coolant temp is about 90 degrees when driving. If it sits idling it will go to about 95 degrees. The thermostat is only fully open at 96 degrees...
RAVE makes for interesting reading ;-)

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Old 22-09-11, 09:08 AM
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How do you see when the thermostat is fully open??
How do I know if the thermostat is vrot?? Or just buy a new one? She has 193k km on her..

Thanks
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  #4  
Old 22-09-11, 09:30 AM
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Hi Marius

Ek sien jy het so bietjie issues met die old girl?

Hoop jy kom gou reg!

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  #5  
Old 22-09-11, 11:15 AM
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Nee sys fine, ek wil net nie langs die pad gaan staan nie...
'N landie is 'n duur ding, maar wil haar oppas op my beste wat ek kan.
Sys dalk oud, maar ry tog nog nuwe karretjies weg... Soos 'n golfie... Love om hulle te waste van robot tot robot
En wil haar reg kry vir my botswana toer, wil kyk of ek volgende jaar julie kan doen..
Of dalk matroos berg... Maar wil gaan as dit sneeu
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  #6  
Old 22-09-11, 12:16 PM
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Try stop it while its running when warm.

I think mine locks up when hot as it drops in power and sounds like a jet turbine.

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  #7  
Old 22-09-11, 02:40 PM
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There are many differences resposes to this.

I have investigated and what I believe is....When the cold engine is started the fan should start to spin. It then "disconnects" after a minute or 2. When driving at 60km + it should not spin. When you stop and idle (and it's not spinning cos you've been driving fast), it should then engage again.

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  #8  
Old 22-09-11, 02:44 PM
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Some how, I want the fan to sound like a Cresida...
Don't know why, but I love it with a V8
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Old 22-09-11, 03:06 PM
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Has anyone successfully fitted an electric replacement fan instead of the viscous on a V8 Landrover?

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  #10  
Old 22-09-11, 06:05 PM
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Good question...
I hope there is
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