1992 Nissan Sentra radiator

1992 NISSAN SENTRA
250,000 MILES • 4 CYL • 2WD • MANUAL
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ALMON
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  • 1 POST
my radiator fan does not come on and car over heats
Sep 4, 2008 at 11:44 AM
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ZACKMAN
  • CERTIFIED EXPERT
  • 4,202 POSTS
Three things to check.

Check the fan motor. Use jumper wires, feed 12V directly to the motor. If it works, then check the relay. Try swapping it with another similar looking relay. Then check coolant temp sensor (sometimes it is called radiator fan switch).
Sep 4, 2008 at 8:10 PM