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Post by Harry on Feb 4, 2009 21:07:49 GMT 11
The thread is 3/8 gas.I've used a Tridon tfs226 switch from Ripco to earth the relay which operates the fan.The fan is a 14" Calibre one from Supercheep.Fits neatly between the top and bottom radiator tanks.The one in the bush truck is on the outside so that the blades will tend to bend away from the radiator.The road truck one is inside because the aircon condensor is still in place.It's offset to the passenger side to avoid the water pump pulley.I've also replaced the pulley studs with countersunk sockets for more clearance.Hope that helps.
Regards, Harry.
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Post by iananita on Feb 5, 2009 15:34:23 GMT 11
Thanks Harry,
You're a legend.
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Post by lornety on Feb 6, 2009 14:48:36 GMT 11
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Post by lornety on Feb 6, 2009 14:53:01 GMT 11
TFS110 Fan switch Thread - 3/8 GAS
Circuit - Normally Open Ground
Temp Range: 87ºC to 82ºC
Spanner - 21mm
i would go with this one because the thermostat opens at 82 84 c
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Post by lornety on Feb 6, 2009 16:19:09 GMT 11
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Post by mighty trooper on Mar 21, 2009 11:23:19 GMT 11
what does the single wire 1 do alsoe isnt there a 3rd sensor under neath are all three necasary could u remove 1 an slide da 1 for the fans into it ??
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Post by holden on Mar 21, 2009 11:30:29 GMT 11
what does the single wire 1 do alsoe isnt there a 3rd sensor under neath are all three necasary could u remove 1 an slide da 1 for the fans into it ?? is that on my one ?? |
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Post by iananita on Mar 24, 2009 14:58:44 GMT 11
The single wire sensor on top is for glow plugs.
The sensor on the side of the housing is for the temp gauge.
The 2 wire sensor is not fitted to a 1992 Aussie Rodeo, I can only assume it is for pollution control or cold start system fitted to imported 4jb1. My motor does not have EGR or cold start.
So I have used this hole to retro fit a Tridon temp sensor TFS111, I could have used the TFS110 but I thought since the thermostat opens fully at 95C it would be better to have an operating temp at 90-95C.
I will post build up soon
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Post by geeves on Mar 24, 2009 15:09:27 GMT 11
Your settup will work ok but its better practice to use the lower temp switch mounted in the bottom of the radiator. The reason is that at speeds over about 50kph there is enough airflow to cool the radiator without the fan in most cases so the fan is not required. In your settup the fan will still run as the engine is in this temp range even though natural airflow is cooling the radiator where as in the bottom tank method the fan will only operate if the water in the radiator reaches the desired temp at the outlet (bottom). In real terms all this means is the fan lasts a little longer.
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Post by iananita on Mar 24, 2009 18:28:12 GMT 11
So far only noticed fan running when vechile sitting idling after hill climb not in traffic. I also have fans running when A/C compressor cycling has made a/c cooler when sitting but my viscous fan was not working. I felt it was easier to retro fit into an existing hole + why do manufacturers on vechiles with thermo fans fit a temp sensor into top of block rather than radiator?
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Post by geeves on Mar 24, 2009 19:16:45 GMT 11
Every vehicle Ive played with that had an electric fan from factory had the sensor for it in the bottom radiator tank. Modern fans are far more reliable than they used to be and the power they use is hardly an issue with modern sized alternators so if it works and is easy why not do it that way.
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