1998 Dodge Ram Cannot Get Sufficient Heat Thought Thermostat Stuck Open Changed

1998 DODGE RAM
161,000 MILES
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Cannot get sufficient heat. Thought thermostat was stuck open but changed it today with no difference. Old one seems fine. Temp gauge reads about 170 degrees average running temp. What can I check next?
Feb 10, 2013 at 3:59 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Check the air blend door actuator if its opening to the heat position and also if the heater core partially clogged
Feb 10, 2013 at 4:21 PM
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