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Sometimes late at night I can hear the engine fan?

Tiny
JOHNJOS8
  • MEMBER
  • 1989 HONDA PRELUDE
  • 4 CYL
  • 2WD
  • MANUAL
  • 179,000 MILES
Sometimes late at night I can hear the engine fan on my Prelude start to run, it goes half an hour then turns off. The car has been sitting in below freezing temps for 2-3 hours before hand, so it still can't think it's hot. Any ideas?
thanks
John Carlson
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Friday, December 14th, 2007 AT 3:23 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check for a sticking fan relay and the temperature switch for the gauge.
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Friday, December 14th, 2007 AT 4:08 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
Sure the cooling fan timer unit is bad, I would swap it out for a new unit. The timer is integrated into the engine control unit. Check out the images (below). Let us know if you need anything else.
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Monday, October 7th, 2024 AT 6:01 PM

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