radiater fan on when ignition switch is on

2004 TOYOTA VAN
Avatar
JOHNJOY1234
  • MEMBER
  • 1 POST
when switch on the ignition radiator fan rotating with full speed
Jul 24, 2015 at 6:51 AM
Advertisement
Avatar
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 11:24 AM
Avatar
HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
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 25, 2015 at 6:34 AM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.