2000 Other Saturn Models HEATER WON'T PROVIDE HEAT

Tiny
PATTERTJ
  • MEMBER
  • 2000 SATURN
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 75,000 MILES
My 2000 SL1 Saturn heater will not work. I live in Chicago with winter temperatures in the teens. I start the car and run the fan motor on max and no heat comes out. Things I am thinking of checking -
1. Engine thermostat

Is there also a diaphragm control valve for the heater somewhere?

Any advice would be appreciated and I am mechanically inclined.

Sincerely,
Terry Patterson
Wednesday, January 16th, 2008 AT 9:35 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
1st step find the engine temperature controller also called the Thermostat and replace it then report back to me. That don't fix it-I hope you got a good back. Its gonna be tedious.
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Wednesday, January 16th, 2008 AT 9:53 PM

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