Cooling system

Tiny
MAN MOBBLYFE BRISCO
  • MEMBER
  • 2003 PONTIAC GRAND AM
  • 3.4L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 1,700,000 MILES
Are the fans supposed to turn on automatically when the car is started? Why does the car run hot when the A/C or heat isn’t on?
Friday, June 7th, 2019 AT 11:04 AM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon,

The fan should come on when the engine reaches a certain temperature.

The fans should also come on when the A/C is turned on as well.

I attached a wiring diagram for you. Check the two fuses I circled for power on both sides.

Roy
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Friday, June 7th, 2019 AT 1:32 PM

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