Lubrication System On-Vehicle Inspection

Engine. Lexus Gs430, Gs300. Uzs190 Grs190
3Gr-Fse Lubrication. Lexus Gs430, Gs300. Uzs190 Grs190

  1. CHECK ENGINE OIL LEVEL

  2. CHECK ENGINE OIL QUALITY

  3. REMOVE ENGINE UNDER COVER

  4. REMOVE ENGINE OIL PRESSURE SWITCH ASSEMBLY

  5. CHECK OIL PRESSURE

  6. INSTALL ENGINE OIL PRESSURE SWITCH ASSEMBLY

  7. CHECK FOR ENGINE OIL LEAKS

  8. INSTALL ENGINE UNDER COVER

Lubrication System -- On-Vehicle Inspection



1. CHECK ENGINE OIL LEVEL
  1. 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 level mark.

    NOTICE:
    Do not fill with engine oil above the full level mark.


2. CHECK ENGINE OIL QUALITY



Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Lubrication System  On-Vehicle Inspection

  1. Check the oil for deterioration, water contamination, discoloring or thinning.
    If the quality is visibly poor, replace the oil.

    Oil grade:
    API grade SL, Enargy-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


Lexus Gs430, Gs300. Uzs190 Grs190
  1. Using a clip remover, remove the 3 clips.

  1. Remove the 10 screws and under cover.



4. REMOVE ENGINE OIL PRESSURE SWITCH ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190
  1. Disconnect the oil pressure switch connector.

  1. Using a 24 mm deep socket wrench, remove the oil pressure switch.



5. CHECK OIL PRESSURE


Lexus Gs430, Gs300. Uzs190 Grs190
  1. Install the oil pressure gauge with adapter.

  1. Check the oil pressure.

    Oil pressure:
    Condition
    Specified Condition
    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 the pressure is not as specified, check the oil pump (Click here).


6. INSTALL ENGINE OIL PRESSURE SWITCH ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Lubrication.Lubrication System.Lubrication System  On-Vehicle Inspection
  1. Remove the oil pressure gauge.

  1. Apply adhesive to 2 or 3 threads of the oil pressure switch.

    Adhesive:
    Part No. 08833-00080, THREE BOND 1344, LOCTITE 242 or equivalent


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. 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.
  1. Connect the oil pressure switch connector.



7. CHECK FOR ENGINE OIL LEAKS
  1. Start the engine. Make sure that no oil leaks from the connection point of the oil pressure switch.



8. INSTALL ENGINE UNDER COVER


Lexus Gs430, Gs300. Uzs190 Grs190
  1. Install the under cover with the 3 clips and 10 screws.