RAM 3500 Truck 2WD L6-5.9L DSL Turbo VIN C (2003)
Air Filter Element: Testing and Inspection
TESTING AIR CLEANER ELEMENT USING FILTER MINDER
Do not attempt to unnecessarily remove top of air cleaner housing for air cleaner element inspection on diesel engines.
The air cleaner (filter) housing is equipped with an air Filter Minder gauge (Fig. 6). This air flow restriction gauge will determine when air cleaner
element is restricted and should be replaced.
The Filter Minder consists of a diaphragm and calibrated spring sealed inside of a plastic housing (Fig. 7). A yellow colored disc attached to
diaphragm moves along a graduated scale on side of Filter Minder. After engine has been shut off, a ratcheting device located within Filter Minder
will hold yellow disc at highest restriction that air cleaner element has experienced. A drop in air pressure due to an air cleaner element restriction
