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 12:40 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 12:42 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
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 12:50 AM
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