If the A/C system in your 2006, 2007, 2008, 2009, 2010 and 2011 GM Chevrolet HHR hasn’t been working well recently, you probably need to clean or change the cabin air filter element located in the HVAC blower motor housing. Check out the DIY tutorial for the procedure (with the compatible replacement part numbers) by clicking on the text link or thumbnail image below.
2006-2011 GM Chevrolet HHR Cabin Air Filter Replacement Guide
