Can a Blower Motor Get Weak

Weak airflow is a sign of blower motor failure. This part wears out eventually, meaning its fans can no longer push adequate amount of air out the vents or through window defrosters. In other situations, air may not blow out on some speed settings at all.

How do I know if my blower motor is weak?

1. Weak Airflow from the Vents. This is usually the first indication that you may have a faulty blower motor. …
2. No Airflow at All. …
3. Unusually High Energy Bills. …
4. Strange Sounds. …
5. Overheating.

What happens when blower motor goes bad?

Overheating is One of the Symptoms of a Bad Blower Motor in HVAC. If the HVAC system starts to overheat, you will smell something burning. Some systems will shut down right away when this happens.