LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 1983 >> Forward Control 6.2 J, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Air Injection System >> Maintenance >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Air Injection System: Maintenance: Notes

Approximately every 15,000 miles, air injection system components should be checked for proper operation and condition. No regular parts replacement schedule is required. Service is limited to replacement of air pump filter, if it becomes clogged.