1999 Chevy S-10 No Heat - Temp Gauge OK

1999 CHEVROLET S-10
10,600 MILES • 4 CYL • 2WD • MANUAL
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BBSHARB
  • MEMBER
  • 1 POST
Started my S-10 up this morning in -2 deg F weather and turned on the heat/defrost.
Warmed up nicely, however, after 5 miles, no heat only freezing cold air.
All gauges read just fine...temp gauge is 185+/-.

It just had a head gasket repair after leaking all coolant into the crankcase and overheating. Replaced the water pump as well.
Dec 9, 2009 at 11:33 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,246 POSTS
Is the coolant full? With the engine running, hot, and the heater on high, do both heater core hoses get hot?
Dec 11, 2009 at 2:29 AM
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