If you’ve been having difficulty seeing out of the back windshield of your 1st generation (2001, 2002, 2003, 2004, 2005 and 2006) Acura MDX during a rain or snow storm, you probably need to change the rubber insert in the rear wiper blade arm assembly. Check out my DIY tutorial for the procedure (with the compatible replacement rubber wiper blade refill part numbers) by clicking on the text link or the thumbnail image below.