heater

2004 MERCURY SABLE
6 CYL • 2WD • AUTOMATIC
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AKJONES
  • MEMBER
  • 2 POSTS
my car heater will not blow hot air on the last three notches and luke warm air on the first two notches
Feb 13, 2011 at 8:40 AM
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AKJONES
  • MEMBER
  • 2 POSTS
i think its my heater control valve or vacuum hose causing the problem but not sure
Feb 13, 2011 at 8:42 AM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Check the thermostat, heater core, air blend door/actuator and test the blower motor resistor/fan control module and blower switch
Feb 13, 2011 at 8:50 AM
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