GlenQ
Active Member
Just checked my air filters. The filter box was full of dead flies. The filters themselves did not seem too bad just a little discoloured. How do you really know when it's time to change them
Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
A unit like this is used to monitor air filter efficiency on commercial vehicles;
ebay item 200622486388
Mercedes trucks used to have an indicator on the dashboard where a sensitive differentiual pressure gauge would reveal a red flag as the filter blocked. It probably wouldn't be too difficult to obtain one and use it - you could argue it would be a better use of dashboard space than the gimmicks usually found there.
Some Land Rover Defender diesels had a visual gauge in the engine bay (on the air filter canister) in the 1990's Tdi 200 models.
We use essential cookies to make this site work, and optional cookies to enhance your experience.