Quote:
Originally Posted by Oldcarguy
. . . in my case anyway. In 2018 I cleaned the radiators & ac condensers and fabricated grill guards for all three front openings for my 2004 Boxster. The grill guards were fabricated from power coated aluminum grill stock with a 77% open surface area. Mounted from behind the bumper cover, the cooling openings were 100% covered. There’s an old thread about my fabrication and installation here somewhere.
After installation of my 3.8L engine I decided to remove the bumper just to do a preventive maintenance of check the radiators & condensers. What I found surprised me. While not as bad as in 2018, I did find significant pulverized buildup between the radiators and condensers.
Because it’s obvious that I’ll still need to clean these areas every two or three years I removed the grills to restore 100% flow. Pics below of the grill material used and the pulverized material found between the radiators and condensers during my inspection in July 2021.
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Are you driving on 20th century highways... or dusty backroads and chicken ranches?
I used the metal mesh from HD... mounted from behind the cover... check the rads/conds every year (with cover off), and zero debris sans a few things that get caught up from underneath. Have you considered a smaller mesh?