Have replaced thermostat with new one, still.

Tiny
ANONYMOUS
  • 1997 CHEVROLET S-10
  • 170,000 MILES

Have replaced thermostat with new one, still just blowing cold air. It is not overheating and I don't smell antifreeze. Any ideas what the problem could be?

Tuesday, January 8th, 2013 AT 4:01 PM

1 Reply

Tiny
HMAC300
  • EXPERT
  • 46,998 POSTS

Check to see if both heater hoses are hot when engine warm. If they are check actuators in heater for low power. Try puling hvac fuse for 60 seconds they try heater.

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Tuesday, January 8th, 2013 AT 4:08 PM

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