How to Inspect the Engine Air Cleaner/Filter

GMC Sierra / GMC Sierra Owners Manuals / Vehicle Care / Vehicle Checks / Engine Air Cleaner/Filter / How to Inspect the Engine Air Cleaner/Filter

To inspect the air cleaner/filter, remove the engine air cleaner/filter from the vehicle by following Steps 1 through 6. When the engine air cleaner/filter is removed, lightly shake it to release loose dust and dirt. If the engine air cleaner/filter remains covered with dirt, a new filter is required. Never use compressed air to clean the filter.

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