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.
Engine Oil Replacement (K20C1) (2017 2018 2019 2020 2021): Replacement
2020 Honda Civic Si, 4D SedanSECTION Replacement
NOTE: How to read the torque specifications .
- Engine - Warm Up
1. Allow the engine to reach operating temperature (fan comes on at least twice). - Vehicle - Lift
- Engine Undercover Plate - Remove
- Engine Oil - Drain
1. Remove the drain bolt (A), and drain the engine oil. 2. Reinstall the drain bolt with a new washer (B) and torque to specification.
NOTE: Do not overtighten.
- Engine Oil - Refill
1. Refill the engine with the recommended engine oil . Capacity At Oil Change: 5.0 L (5.3 US qt) At Oil Change including Filter: 5.4 L (5.7 US qt) After Engine Overhaul: 6.6 L (7.0 US qt) - Engine Oil Level - Check
1. Run the engine for a minimum of 3 minutes, then check the oil level and for any leaks. - Engine Undercover Plate - Install
- Maintenance Minder - Reset (With Maintenance Minder System)
1. If the Maintenance Minder required to replace the engine oil, reset the Maintenance Minder with the gauge (see "Resetting the Maintenance Minder"). If the Maintenance Minder did not require to replace the engine oil, reset the Maintenance Minder with the HDS (see "Resetting the Individual Maintenance Items"). - Engine Oil Monitor - Reset (With Engine Oil Monitor System)
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.