Vehicles using EW10D/RLZ engine list:
Recommended oil for engine EW10D/RLZ engine.
Ask AI about any Engine code
Questions strictly about engine codes (brand/model/engine type/production years).
| Castrol MAGNATEC 5W‑30 C3 | |
|---|---|
| SAE 5W‑30 | ✔ |
| ACEA C3 | ✔ |
| API SN/CF | ✔ |
| BMW Longlife‑04 | ✔ |
| MB‑Approval 226.5 / 229.31 / 229.51 / 229.52 | ✔ |
| Opel OV 0401547‑D30 / G30 | ✔ |
| Fiat 9.55535‑S3 | ✔ |
| Renault RN0700 / RN0710 | ✔ |
| VW 505.00 / 505.01 | ✔ |
| dexos2 | ✔ |
| Liqui‑Moly Chrome C3 5W‑30 | |
|---|---|
| SAE 5W‑30 | ✔ |
| ACEA C3 | ✔ |
| API SN/CF | ✔ |
| BMW Longlife‑04 | ❌ |
| MB‑Approval 226.5 / 229.31 / 229.51 / 229.52 | ✔ |
| Opel OV 0401547‑D30 / G30 | ✔ |
| Fiat 9.55535‑S3 | ✔ |
| Renault RN0700 / RN0710 | ✔ |
| VW 505.00 / 505.01 | ✔ |
| dexos2 | ✔ |
| Ridex Plus Active Energy C2/C3 5W‑30 | |
|---|---|
| SAE 5W‑30 | ✔ |
| ACEA C3 | ✔ |
| API SN/CF | ✔ |
| BMW Longlife‑04 | ✔ |
| MB‑Approval 226.5 / 229.31 / 229.51 / 229.52 | ✔ |
| Opel OV 0401547‑D30 / G30 | ✔ |
| Fiat 9.55535‑S3 | ❌ |
| Renault RN0700 / RN0710 | ✔ |
| VW 505.00 / 505.01 | ✔ |
| dexos2 | ✔ |
| Shell Helix Ultra ECT C3 5W‑30 | |
|---|---|
| SAE 5W‑30 | ✔ |
| ACEA C3 | ✔ |
| API SN/CF | ✔ |
| BMW Longlife‑04 | ✔ |
| MB‑Approval 226.5 / 229.31 / 229.51 / 229.52 | ✔ |
| Opel OV 0401547‑D30 / G30 | ✔ |
| Fiat 9.55535‑S3 | ✔ |
| Renault RN0700 / RN0710 | ✔ |
| VW 505.00 / 505.01 | ✔ |
| dexos2 | ❓ |
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 EW10D/RLZ engine
ACEA A3/B4
API SL
SAE 5W-40
Most common problems, symptoms & fixes for the EW10D/RLZ engine.
Engine EW10D/RLZ commonly faces issues like timing belt wear, coolant leaks, and EGR valve clogging. For diagnosis, regularly inspect the timing belt for cracks or slack to prevent catastrophic failure. Monitor coolant levels and check for leaks around the thermostat housing and water pump. EGR valve problems manifest as rough idling or reduced power; cleaning or replacing the valve can restore performance. Preventive maintenance includes timely timing belt replacement (typically every 60,000-100,000 km), using quality coolant, and periodic EGR cleaning. Addressing these issues early ensures engine longevity and reliable operation in the Citroen C5 2.0 HPi (2001–2002).