Useful information for anyone with a 2003-2013 GMC Sierra or Chevrolet Silverado related to cabin air filters. I watched other videos on this process but didn’t check the details before starting. I was told when I bought the truck new in 2003 that it had cabin air filters, but GM made a change the previous year that even the dealership wasn’t aware of. Be sure and watch before trying to change your GM truck cabin air filters!
There is a retrofit kit available on Amazon – you have to cut an access hatch where the filter should be and install the included filter and new hatch cover for the created hole. Several people have reported that it works, is not complex but is difficult to cut in the awkward position. Good luck if you try it!
Link to Dorman retrofit kit: https://amzn.to/3gletTd
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