Volvo Workshop Manuals
940 L4-2.3L SOHC VIN 88 B230F (1992)
Powertrain Management > Tune-up and Engine Performance Checks > Air Cleaner Housing > Air Filter Element > Component Information > Locations > Page 4991
Air Filter Element: Testing and Inspection
Air Filter Location
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.
Inspect the air filter housing clamps for looseness and breakage.
Inspect the air filter housing for cracks, deformation and other damage.
Repair or replace as needed.
Check air filter visually for contamination of water, oil and element breakage. Replace filter if contaminated or broken.
a. If light shines through, air filter is not seriously contaminated. Filter element therefore may or may not need replacement.
For testing of air shutter and thermostat,
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