Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2003 Chevrolet Impala LSFACTORY OEM SERVICE PROCEDURE
Maintenance And Lubrication
- Specifications
- Maintenance
- Maintenance Schedule
- Normal Vehicle Use
- Maintenance Schedule Intervals
- Engine Oil Scheduled Maintenance
- Footnotes
- Scheduled Maintenance
- 12 500 km (7,500 mi)
- 25 000 km (15,000 mi)
- 37 500 km (22,500 mi)
- 50 000 km (30,000 mi)
- 62 500 km (37,500 mi)
- 75 000 km (45,000 mi)
- 83 000 km (50,000 mi)
- 87 500 km (52,500 mi)
- 100 000 km (60,000 mi)
- 112 500 km (67,500 mi)
- 125 000 km (75,000 mi)
- 137 500 km (82,500 mi)
- 150 000 km (90,000 mi)
- 162 500 km (97,500 mi)
- 166 000 km (100,000 mi)
- 240 000 km (150,000 mi)
- Explanation of Scheduled Services
- GM Oil Life System - Resetting
- Owner Checks and Services
- Periodic Maintenance Inspection
- Maintenance Schedule
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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