Global Machinery Company Sierra 1999 - Manual (Page 315)

yellow blue
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Your air cleaner is located in the passenger’s side front
corner of the engine compartment. 1. To remove the air filter, loosen the screws on the
cover. Lift the cover upward. Lift the filter out of the
air cleaner housing. Care should be taken to dislodge
as little dirt as possible.
2. Clean the filter sealing surface and the filter housing.
3. Install the new filter.
4. Install the cover and tighten the screws on the air
cleaner cover.
Refer to the Maintenance Schedule to determine when to
replace the air filter. See “Owner Checks and Services”
in the Index.