Blowing-out the air filter element with compressed air is not
recommended as the compressed air may damage the filter paper.
Note: It is not possible to determine the level of filter clogging by visual
appearance alone. A filter which appears to be dirty may actually have
several thousand kilometers (miles) of life remaining.
Always use the underhood air filter restriction gauge or engine
air filter warning light on the instrument cluster to determine
when the air filter element needs to be changed.
After servicing the air filter element,
reset the restriction gauge by
pressing the button on the end of
the gauge.
Note: If the vehicle is operated in a heavy snow storm, in blowing snow
or the vehicle is equipped with a snowplow, the engine air filter element
may become partially clogged with snow and/or ice. If this occurs, the air
filter restriction gauge will move to the CHANGE FILTER mark and the
engine may experience a significant reduction in power output. The
vehicle may be driven under these conditions for up to 160 km (100
miles) without damage to the engine or related components.
At the earliest opportunity, clear all snow and ice from the air induction
system and replace the air filter element, or remove the element and dry
it out. Reset the restriction gauge by pressing the button on the end of
the gauge.
The air filter warning light on the instrument cluster may be used, in
addition to the underhood restriction gauge, to monitor the condition of
the air filter element. Refer to the Warning Lights chapter.
Diesel information
7
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