Lincoln Repair Questions? Ask a Mechanic for Answers ASAP
Good Morning! I'm Ron Z and I will be assisting you today!
When the air output temp is only correct on one side of the dash, this is most commonly due to a faulty Air Temp Actuator or a problem with the Temp Door internal of the HVAC housing. The passenger's side Actuator is located behind the glove compartment, mounted to the HVAC housing. Carefully inspect the electrical connector and wire harness for any loose, broken or damaged wires. Inspect the linkage for any broken or misaligned parts. If the visual inspection checks ok, disconnect the linkage and move it by hand. The air temp output should now be correct. If not, the problem lies internal of the HVAC housing. It will need to be removed, opened and repaired as needed. If the visual inspections check ok, replace the Actuator. If you found this answer helpful, please help me by leaving a rating using the "stars" at the top of the page or click 'accept'.Rating or accepting my answer does not cost you extra. It allows me to be credited for this Q&A.
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