Nissan Maxima The flagship luxury sedan from Nissan, combining performance with all of the modern touches you woudl expect in a luxury car.

91 Nissan Maxima Rad Fans?

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  #1  
Old 03-15-2006 | 08:54 PM
trauma85's Avatar
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Joined: Mar 2006
Posts: 1
Default 91 Nissan Maxima Rad Fans?

I was just wondering if i have a problem or not. My fans only come on when i turn on my AC or Heat. Is this normal with this model? or should they come on at a certain temp?
 
  #2  
Old 03-16-2006 | 08:22 AM
reiska's Avatar
Joined: Nov 2005
Posts: 240
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Default RE: 91 Nissan Maxima Rad Fans?

.... fans only come on when ...
Does the engine have cooling problems, boiling?
If so, maybe belt slack, air in system (bleed), pump blades corroded, rad blocked

On moderate weather and no A/C on, the fans will not normally start, maybe on long idle. Fans do have 2 speeds. Check out http://www.cardomain.com/ride/748507/7 & page 8

Test disconnect EGRC temp sensor connector: idle rpm raises, both fans at max speed. Now u know that ECU got the signal, energized all 3 fan relays, fans do their job...

 
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