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2002 Saturn SC2 cooling fan

Tiny
TPARDINAS
  • MEMBER
  • 2002 SATURN SC2
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 149,762 MILES
My sc2 over heats unless the ac is on. The cooling fan will only come on with the ac on. I replaces the coolant temp sensor below the water neck and still doesnt work. What else can I do?
Thursday, May 13th, 2010 AT 10:30 PM

1 Reply

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
When u replace the coolant temp sensor did u inspect the connector for corrosion if it's corroded it will have to be replaced that could give the PCM the incorrect temp. Also how do u know it's over heating does it boil over and out of the coolant bottle cap?What does the temp gauge read when it's over heating?
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Friday, May 14th, 2010 AT 11:13 AM

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