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.
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HOMESERVICE MANUALSCHEVROLET2002CAVALIER BASE, 4D SEDAN, 2.4 TREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 51 (SUPPLEMENTAL INFLATABLE RESTRAINT SYSTEM)DIAGNOSTICSDIAGNOSTIC PROCEDURESREPEAT SIR DIAGNOSTIC SYSTEM CHECK
2002 Chevrolet Cavalier Base, 4D Sedan, 2.4 T
Repeat SIR Diagnostic System Check
2002 Chevrolet Cavalier Base, 4D Sedan, 2.4 TSECTION Repeat SIR Diagnostic System Check
WARNING: This page is about a different car, the 2001 Pontiac Sunfire and 2001 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
Performing SIR diagnostic system check after all repair or diagnostic procedures ensures that repair has been made correctly and that no other conditions exist.
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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.