Buick Regal: Engine Air Cleaner/Filter

When to Inspect the Engine Air Cleaner/Filter

For intervals on changing and inspecting the engine air cleaner/ filter.

How to Inspect the Engine Air Cleaner/Filter

Do not start the engine or have the engine running with the engine air cleaner/filter housing open. Before removing the engine air cleaner/ filter, make sure that the engine air cleaner/filter housing and nearby components are free of dirt and debris. Remove the engine air cleaner/filter. Lightly tap and shake the engine air cleaner/filter (away from the vehicle), to release loose dust and dirt. Inspect the engine air cleaner/filter for damage, and replace if damaged. Do not clean the engine air cleaner/filter or components with water or compressed air.

2.0L L4 Turbo Engine

To inspect or replace the engine air cleaner/filter:

1. Remove the six screws on top of the engine air cleaner/filter housing.

2. Lift the filter cover housing away from the air cleaner/filter housing.

3. Pull out the filter.

4. Inspect or replace the engine air cleaner/filter.

5. Reverse Steps 1-3 to reinstall the filter cover housing.

3.6L V6 Engine

To inspect or replace the engine air cleaner/filter:

1. Remove the seven screws on top of the engine air cleaner/ filter housing.

2. Lift the filter cover housing away from the engine air cleaner/filter housing.

3. Pull out the filter.

4. Inspect or replace the engine air cleaner/filter.

5. Reverse Steps 1-3 to reinstall the filter cover housing.

Warning: Operating the engine with the air cleaner/filter off can cause you or others to be burned. The air cleaner not only cleans the air; it helps to stop flames if the engine backfires. Use caution when working on the engine and do not drive with the air cleaner/filter off.

Caution: If the air cleaner/filter is off, dirt can easily get into the engine, which could damage it. Always have the air cleaner/filter in place when driving.

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