When to Inspect the Engine AirCleaner/Filter

Inspect the air cleaner/filter at the Maintenance II intervals and replace at the first oil change after each 50,000 mile (83 000 km) interval.

If you are driving in dusty/dirty conditions, inspect the filter at each engine oil change.

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    Service Bulletins
    Service Bulletins give additional technical service information needed to knowledgeably service General Motors cars and trucks. Each bulletin contains instructions to assist in the diagnosis ...