2007 SUZUKI LIANA
60,000 MILES
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DOUGWELSH
  • MEMBER
  • 1 POST
heater only blows cold air , thermostat been replaced ?
Nov 9, 2012 at 6:58 PM
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JACOBANDNICKOLAS
  • CERTIFIED EXPERT
  • 110,175 POSTS
Make sure both heater core hoses are getting hot, If they are, check blend air door for operation. If they aren't getting hot, try flushing the heater core.
Nov 9, 2012 at 7:01 PM