radiater fan on when ignition switch is on

2004 TOYOTA VAN
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JOHNJOY1234
  • MEMBER
  • 1 POST
when switch on the ignition radiator fan rotating with full speed
Jul 23, 2015 at 11:51 PM
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OHYEA
  • MEMBER
  • 153 POSTS
If your fan speed increases with RPM increase then you have a stuck fan clutch. One test that you can do to see if stuck is with vehicle off, spin the fan by hand it should spin freely, if it doesn't then can conclude it is a stuck fan clutch
Jul 24, 2015 at 4:24 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
check cooling fan relay underhood for being stuck, replace with a like relay to test. then have it scanned as it may be the cooling fan module bad a mechanic will need to do this.
Jul 24, 2015 at 11:34 PM
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