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 MANUALSCHEVROLET2013SONIC L4-1.8LREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTENGINESERVICE AND REPAIRUNIT REPAIR 2013 SONIC 1.8LENGINE BLOCK DISASSEMBLE
2013 Chevrolet Sonic L4-1.8L
Engine Block Disassemble
2013 Chevrolet Sonic L4-1.8LSECTION Engine Block Disassemble
Engine Block Disassemble
1. Remove the cylinder head locating (1, 2).
2. Remove the oil pressure switch (1).
3. Remove the knock sensor bolt (2) and the knock sensor (1).
4. Clean the thread.
5. Remove the oil flow check valve (1).
6. Remove the oil pressure relief valve closure bolt (1) and the oil pressure relief valve.
7. Remove the piston (1) and spring (2) from the oil pressure relief valve closure bolt (3).
8. Clean and inspect the components. Refer to Engine Block Cleaning and Inspection Service and Repair.
9. Clean the thread.
10. Remove the 4 piston oil nozzles (1).
RENDER: 1.0x
NO RELATED
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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.