2004 GMC Savana Van Owner's Manual - Page 264

Engine Air Cleaner/Filter See Engine Compartment Overview on page 5-12 for the location of the engine air cleaner/filter and change indicator (if equipped). How to Inspect the Engine Air Cleaner/Filter To inspect the air cleaner/filter, remove the filter from the vehicle and lightly shake filter to release loose dust and dirt. If the filter remains caked with dirt, a new filter is required. To remove and reinstall the filter and reset the indicator (if equipped), do the following: When to Inspect the Engine Air Cleaner/Filter If your vehicle is equipped with a filter change indicator it will let you know when the filter needs to be replaced. Inspect the air cleaner/filter restriction indicator at every oil change and replace the filter when the indicator tells you to. When the change indicator turns black or is in the red/orange change zone, change the filter and reset the indicator. Vehicles without a change indicator, inspect the air cleaner/filter at every oil change and replace at the first oil change after 25,000 miles (40,000 km). The engine air cleaner/filter is located near the center of the engine compartment. 1. Unhook the retainer clips and remove the cover. 5-18