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2003 Chevy S-10 The heat has quit

Tiny
C_SPERAT
  • MEMBER
  • 2003 CHEVROLET S-10
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 85,000 MILES
We have a 2003 chevy S-10 that the heat has quit working. It just blows cold air. The temp gauge get up to about 190 degrees but it just blows cold air. I put in a new thermostat but that did not help. Any ideas?
Monday, November 10th, 2008 AT 6:11 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,645 POSTS
Hi
Under the hood, there are two heater core hoses. One is an inlet and one an outlet. With the engine running at normal operating temp and the heater on, check both hoses to see it they are hot. If one is hot and the other isn't, there is a problem with the coolant flowing through the heater core.

Let me know what you find.

Joe
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Monday, November 10th, 2008 AT 8:49 PM

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