Vehicles using B20 engine list:
- HONDA - Prelude 2.0i 16V DOHC (101kW) 1986–1990
- HONDA - Accord, -Aerodeck 2.0i-16V (101kW) 1987–1989
Recommended oil for engine B20 engine.
| Castrol GTX 10W‑40 A3/B4 | |
|---|---|
| SAE 10W‑40 | ✔ |
| ACEA A3/B4 | ✔ |
| API SP | ✔ |
| MB‑Approval 226.5 / 229.3 | ✔ |
| Renault RN0700 / RN0710 | ✔ |
| VW 501 01 / 505 00 | ✔ |
| Fiat 9.55535‑D2 | ✔ |
Oil specification key
✔ – Meets the required specification
❓ – Not explicitly stated (use caution; check your vehicle manual)
❌ – Does not meet required specification. Use may cause engine issues.
✔ – Meets the required specification
❓ – Not explicitly stated (use caution; check your vehicle manual)
❌ – Does not meet required specification. Use may cause engine issues.
Answer generated by AI.
Oil specifications for B20 engine
API SJ
SAE 10W-30
Most common problems, symptoms & fixes for the B20 engine.
Engine B20 in these Honda models commonly faces valve cover gasket leaks and timing belt wear. Diagnose gasket leaks by checking for oil seepage around the valve cover. Prevent leaks by replacing gaskets every 60,000 miles or if oil is visible. Timing belt failure risks engine damage; inspect for cracks or wear every 60,000 miles and replace proactively. Overheating can occur due to radiator or thermostat issues; monitor coolant levels and temperature gauge regularly. Use quality oil and change it every 5,000 miles to maintain engine health. Address any unusual noises promptly to avoid valve or camshaft damage. Regular maintenance ensures longevity and reliability.