Vehicles using 138B3.028 engine list:
Recommended oil for engine 138B3.028 engine.
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Questions strictly about engine codes (brand/model/engine type/production years).
| Castrol GTX 15W‑40 A3/B3 | |
|---|---|
| ACEA A3/B3 | ✔ |
| API SP (or SN) | ✔ |
| VW 501.01 / 505.00 | ✔ |
| MB‑Approval 229.1 | ✔ |
| Fiat 9.55535‑D2 | ✔ |
| Shell Helix HX5/6 15W‑40 | |
|---|---|
| ACEA A3/B3 | ✔ |
| API SN | ✔ |
| VW 501.01 / 505.00 | ✔ |
| MB‑Approval 229.1 | ✔ |
| Fiat 9.55535‑D2 | ✔ |
| Total Quartz 7000 15W‑40 | |
|---|---|
| ACEA A3/B3 | ✔ |
| API SP | ✔ |
| VW 501.01 / 505.00 | ✔ |
| MB‑Approval 229.1 | ✔ |
| 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 138B3.028 engine
NO INFO -
Most common problems, symptoms & fixes for the 138B3.028 engine.
Engine 138B3.028 in the Fiat Regata 70-70S automatic (1983–1990) commonly faces issues like carburetor clogging, ignition timing drift, and cooling system leaks. For diagnosis, check for rough idling or stalling, inspect spark plugs for fouling, and monitor coolant levels and temperature. Preventive maintenance includes regular carburetor cleaning, timely ignition timing adjustments, and coolant system flushes. Solutions involve cleaning or rebuilding the carburetor, replacing worn ignition components (distributor cap, rotor, spark plugs), and repairing radiator hoses or water pump leaks. Keeping the engine well-tuned and cooling system leak-free ensures reliable performance and longevity.