Lexus IS250 IS220d GSE20 ALE20 4GR-FSE LUBRICATION
LUBRICATION SYSTEM - ON-VEHICLE INSPECTION
1. CHECK ENGINE OIL LEVEL |
Warm up the engine, stop the engine and wait 5 minutes. The oil level should be between the dipstick's low level mark and full level mark.
If low, check for leakage and add oil up to the full level mark.
- NOTICE:
- Do not fill with engine oil above the full level mark.
2. CHECK ENGINE OIL QUALITY |
Check the oil for deterioration, water contamination, discoloring or thinning.
If the quality is visibly poor, replace the oil.
- Oil grade:
- API grade SM, Energy-Conserving or ILSAC, multi-grade engine oil is recommended. SAE 5W-30 is the best choice for your vehicle for good fuel economy and good starting in cold weather.
3. REMOVE ENGINE UNDER COVER |
4. REMOVE ENGINE OIL PRESSURE SWITCH ASSEMBLY |

Disconnect the oil pressure switch connector.
Using a 24 mm deep socket wrench, remove the oil pressure switch.
5. INSTALL OIL PRESSURE GAUGE |

Install the oil pressure gauge with adapter.
6. CHECK OIL PRESSURE |
- Specification oil pressure:
Item Oil Pressure Idle 80 kPa (0.8 kgf*cm2 , 11.6 psi) or more 6,000 rpm 380 kPa (3.9 kgf*cm2 , 55.5 psi) or more
If pressure is not as specified, check the oil pump.
7. INSTALL ENGINE OIL PRESSURE SWITCH ASSEMBLY |

Remove the oil pressure gauge.
Apply adhesive to 2 or 3 threads of the oil pressure switch.
- Adhesive:
- Part No. 08833-00080, THREE BOND 1344, LOCTITE 242 or equivalent

Using a 24 mm deep socket wrench, install the oil pressure switch.
- Torque:
- 15 N*m{ 153 kgf*cm, 11 ft.*lbf}
- NOTICE:
- Do not start the engine within 1 hour after installation.
Connect the oil pressure switch connector.
8. CHECK FOR ENGINE OIL LEAKS |
Start the engine. Make sure that no oil leaks from the connection point of the oil filter cap.
9. INSTALL ENGINE UNDER COVER |