Volvo Workshop Manuals
940 L4-2.3L SOHC VIN 88 B230F (1992)
Maintenance > Tune-up and Engine Performance Checks > Air Cleaner Housing > Air Filter Element > Component Information > Locations > Page 2747
Air Filter Element: Description and Operation
Air Filter Location
The air filter assembly removes abrasive particles from incoming air to protect the air mass meter, cylinder walls and other engine components from
NOTE: The air filter element is part of the "emission control system warranty". Failure to replace it at the manufacturer recommended intervals can
effect Volvo's warranty obligations.
Schematic Air Filter Operation
The air filter and housing consist of a cover housing, air filter element and the shutter housing that incorporates the air control thermostat.
The cover housing provides an air tight seal (from the outside air) between the two housings. The housing also incorporates the air outlet to the throttle
AIR FILTER ELEMENT
The air filter element cleans the outside air as it flows from the shutter housing through the filter element to the cover housing. It is air flow sensitive and
The shutter housing incorporates the thermostat, shutter and the air intake ports.
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