If the air conditioning system in your fourth generation (2013, 2014, 2015, 2016, 2017 and maybe also the 2018 model year) Toyota Avalon hasn’t been working as well recently or the air coming out of the vents smells a bit musty or moldy, you probably need to clean or change the cabin air filter element in the HVAC blower motor housing. Check out my DIY instructions for the procedure (with the compatible replacement part numbers) by clicking on the text link or thumbnail image below.
2013-2017 Toyota Avalon Cabin Air Filter Replacement Guide
