I have a 2004 Pontiac Montana V6.

2004 PONTIAC MONTANA
199,352 MILES
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DAVIDALAN
  • MEMBER
  • 1 POST
The cooling fans only come on when i turn on the AC or disconnect the temp. sensor. When i hook up the sensor again, thay run for about 15 seconds then stop. The relays and fuses in the fuse block under the hood are ok. Can you tell me the problem? Thank You: Dave W.
Mar 23, 2012 at 8:26 PM
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SATURNTECH9
  • ✓ASE Certified Mechanic
  • 30,869 POSTS
  • ASE Certified Mechanic
Sounds like a bad temp sensor if the fan comes on when unplugging the sensor.Do you have a multimeter to do some testing?
Mar 23, 2012 at 8:37 PM
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