ENGINE MAINTENANCE - Maintenance Procedures elements when the air inlet restriction indicator locks in the extreme Up position. Paper elements require care and proper handling because they are critical to engine service life. The engine air filter is located on the top of the engine just below the hood. There are (4) fasteners that hold the cover to the filter housing. If the vehicle has the under hood air intake option, the air intake solenoid and the airline will need to be removed to access the air filter. WARNING 1. Main enclosure 2. Air filter 3. Housing 4. Screws 2 Do not use air cleaner components as grab handles.
These components may break if you are using them to support your weight. Failure to comply may re- sult in personal injury or damage to ve- hicle components. 1. Park the vehicle. Set the parking brake and turn the ignition OFF. 2. If air intake is located under the hood, open hood. 3. Loosen the (4) screws, with a 10 mm wrench, that hold the housing to the main filter enclosure. (These screws will not come out of the housing.) 4. Pull the air filter housing away from the main enclosure to access the filter. 5. The filter can be removed by gently pulling directly out of the main enclosure.
Be careful not to drop or tap the filter on the housing during removal as this could loosen dirt and dust trapped in the filter. DO NOT clean and reuse the original filter. 6. Inspect the sealing surface and clean out any debris from the air filter housing and enclosure before installing a new filter. Be careful to WARNING Do not push on the under hood air door with hands. This door is held closed with a spring which may shut close unexpectedly. Failure to comply may result in personal injury. Replace Engine Air Filter Maintenance information about servicing the engine air intake filter. If the vehicle has under hood air intake option, remove the air solenoid first.
CAUTION Engine Air Intake Filter Module Failure to replace air filter at proper in- tervals may result in passage of dirt/ debris into the engine or the “dusting” of an engine resulting in significant equipment damage. NO STEP NO STEP 2 3 2 3 1 1 PACCAR Your vehicle is equipped with an air inlet restriction indicator. Service the filter 4 76 Y53-1166-1G1 (08/2018)