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 Items
Maintenance Items
| Item | Type/Part Number |
|---|---|
| Automatic Transmission Filter | 24206433 |
| Engine Air Cleaner/Filter | A1614C |
| Engine Oil Filter | |
|
AC Type PF47 |
| Passenger Compartment Air Filter | GM P/N 10406026 |
|
AC Type PF47 |
| Spark Plugs and Gap | |
|
AC Type 41-101, 1.52 mm (0.060 in) Gap |
|
AC Type 41-101, 1.52 mm (0.060 in) Gap |
| Windshield Wiper Blades | GM P/N 10418004 - Hook Type, 56.0 cm (22 in) |
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
