Carefully remove the blower motor assembly if possible. Use a brush and vacuum cleaner with a crevice tool to thoroughly clean the fan blades, motor housing, and surrounding area. This is often the dirtiest part of the system.
Step 3 · Clean Blower Motor and Housing
Carefully remove the blower motor assembly if possible. Use a brush and vacuum cleaner with a crevice tool to thoroughly clean the fan blades, motor housing, and surrounding area. This is often the dirtiest part of the system.