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Interior heat problem

Tiny
BRIAN SHANNON
  • MEMBER
  • 1999 SATURN SL2
  • 1.9L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 172,000 MILES
Blows cool to slightly warm at low rpm's then warm to hot at higher rpm's. Coolant level seems good.
Wednesday, January 3rd, 2018 AT 12:36 AM

3 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning.

I would start by replacing the thermostat. Verify the coolant level is correct. If the issue is still present you may have a clogged heater core. It will need to be flushed out of all debris.

Roy
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Wednesday, January 3rd, 2018 AT 3:16 AM
Tiny
BRIAN SHANNON
  • MEMBER
  • 2 POSTS
Thanks Roy. I kind of thought, but wanted some corroboration from an expert. Appreciate it. Brian
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Wednesday, January 3rd, 2018 AT 6:45 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
You are welcome Brian. Keep us updated with the result.

Roy
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Wednesday, January 3rd, 2018 AT 6:46 AM

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