Heater/AC only blows cold air

1998 CADILLAC CATERA
135 MILES • 3.0L • 6 CYL • 2WD • AUTOMATIC
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WM WLLIAMS
  • MEMBER
  • 1 POST
Only blows cold air.
Feb 19, 2018 at 9:23 AM
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STRAILER
  • ✓ASE Certified Mechanic
  • 54,832 POSTS
  • ASE Certified Mechanic
Hello,

This sounds like you have a problem with the blend door actuator but to be sure lets check the coolant level when the engine is cold to make sure it is full because if it is low the heater will not work.

Please let us know what you find. We are interested to see what it is.

Cheers, Ken
Feb 20, 2018 at 12:32 PM
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