Pontiac 25042862 CLEANER

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At the specified intervals, the air filter and PCV filter should be replaced with new ones. A thorough program of preventative maintenance would call for the two filters to be inspected periodically between changes. The air filter is located inside the air cleaner housing on the top of the engine. To reach the filter, first remove the top plate. While the top plate is off, be careful not to drop anything down into the carburetor. Lift the air filter out of the housing. To check the filter, hold it up to strong sunlight, or place a flashlight or droplight on the inside of the ring-shaped filter. If you can see light coming through the paper element, the filter is all right. Check all the way around the filter. Wipe the inside of the air cleaner clean with a rag. Place the old filter (if in good condition) or the new filter (if specified interval has elapsed) back into the air cleaner housing. Make sure it seats properly in the bottom of the housing. Reinstall the top plate. The PCV filter is also located inside the air cleaner housing. Remove the top plate as described previously and locate the filter on the side of the housing. Loosen the hose clamp, if equipped, at the end of the PCV hose leading to the filter. Disconnect the hose from the filter. Remove the metal locking clip which secures the filter holder to the air cleaner housing. Pliers can be used for this. Remove the filter and plastic holder from the inside of the air cleaner. Compare the new filter with the old one to make sure they are the same. Place the new filter assembly into position and install the metal locking clip on the outside of the air cleaner. Connect the PCV hose and tighten the clamp around the end of the hose. Reinstall the air cleaner top plate.

Remove the top plate as previously described.