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Thermo Fan Temp Sensor

skidmark

By skidmark,
in General Maintenance

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D.I.Y. Mik Veteran

D.I.Y. Mik

Posted
Posted

From what i have seen on my 32 gtst... no.

The big sensor is for the ecu, the small one is for the dash temp gauge.

Your fan sensor would have a different signal voltage for a given temp. You could test this with cold water, hot water, an accurate thermometer and a multimeter.

The sensor in the bottom of the radiator is something to do with aircon i think not 100% sure, its not a good location for engine temp control as its after the water is cooled by the radiator.

Its a pain to take off the manifold and either tap one of the existing holes or drill and tap a new one. So i just got one of those bits that goes inline with the top rad hose and you can put a sensor into it. They are usually 1/8 npt. Thermo control sensor may be bigger so you might have to drill and tap, you just have to decide where.

My thermo control is still not set up, i just have a good temp gauge and a switch in the cabin.

post-89755-0-91313700-1356395177_thumb.jpg

blind_elk Grand Master

blind_elk

Posted
Posted

As above, you can't use either thermo sensor from the RB20. And the Z radiator doesn't have the sensor in the bottom of the radiator.

The thermo fan should come with a sensor and rheostat. The sensor normally fits in the top radiator hose where it connects to the radiator.

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