Lexus 17801-20040 Air Cleaner Filter Element Sub-Assembly

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The air filter is located inside a housing at the left (driver's) side of the engine compartment. To remove the air filter, release the clamps retaining the two halves of the air filter housing. Lift the cover up and remove the air filter element. Inspect the outer surface of the filter element. If it is dirty, replace it. If it is only moderately dusty, it can be reused by blowing it clean from the back to the front surface with compressed air. Always wear eye protection when using compressed air! Because it is a pleated paper type filter, it cannot be washed or oiled. If it cannot be cleaned satisfactorily with compressed air, discard and replace it. Never drive the vehicle with the air cleaner removed. Excessive engine wear could result and backfiring could even cause a fire under the hood. Installation is the reverse of removal. The hinge tabs on the housing cover must engage properly with the lower part of the housing.

During the installation of the air filter, you must ensure that the hinge tabs on the housing cover engage properly with the lower part of the housing.