Mechanics

RADIATOR FAN

1996 Nissan Van

Engine Cooling problem
1996 Nissan Van 4 cyl Two Wheel Drive Manual 200000 miles

Hi, Just a question on the radiator fan operation and testing. On the pickup 2.7L Diesel I have a thermal couple fan ( my own name) when the engine is cold the fan is suppose turns free, as soon as the engine heats up the fan connects with a thermal device and then turns according to engine speed. I have noticed that this fan still turns free on normal engine operating temp. At what temp should this fan engage? The fan on the pickup turns when the enige is cold and that extends the time of getting to normal operating temp. Is therte a service that can be performed on this device and how would test it to see that it is working properly
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Karet
March 16, 2010.




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