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My car overheats when I am idling and the fans do not come on unless I tap on them. What could be the problem?

Tiny
MICKIMCMILLEN
  • MEMBER
  • 2000 INFINITI I30
  • 150,000 MILES
My car is a 2000 Infiniti I30 that overheats when I am idling and the fans do not come on unless I tap on them. I just put a front motor mount on the radiator side and then the problem began. Also, is there a way to make the motors run continuously so then the car wouldn't overheat?

Thanks Micki
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Sunday, May 6th, 2012 AT 11:21 PM

5 Replies

Tiny
DJCL
  • MECHANIC
  • 767 POSTS
If you tap them and thay start to run your looking @ either a bad connection or bad fan motor. Un likely 2 fans went bad. Check all your connectors well.
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Monday, May 7th, 2012 AT 12:14 AM
Tiny
CJ MEDEVAC
  • MECHANIC
  • 11,004 POSTS
TAPPING EITHER "DISTURBS" THE ELECTRIC MOTOR--MAYBE THE BRUSHES ARE BAD. OR. THE TAPPING IS "DISTURBING" THE FAN RELAY, AND YOU'RE MAKING IT "MAKE". IF THIS IS THE CASE, A NEW RELAY WOULD BE THE CORRECT THING TO REPLACE

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Monday, May 7th, 2012 AT 12:18 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Since you just installed a motor mount, check grounds and check to make sure there is no damage to the wiring.
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Monday, May 7th, 2012 AT 12:20 AM
Tiny
CADIEMAN
  • MECHANIC
  • 3,544 POSTS
Check the fan relays. Hot wire the fans and see they work. Tapping and it works sounds like a bad fan motor
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Monday, May 7th, 2012 AT 12:30 AM
Tiny
MICKIMCMILLEN
  • MEMBER
  • 2 POSTS
Thanks to everyone that answered. I will try these things and let you know. Micki
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Monday, May 7th, 2012 AT 1:25 AM

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