Engine Oil Pressure: Testing and Inspection

ENGINE OIL


Inspection


OIL LEVEL

NOTE:
Before starting engine, put vehicle horizontally and check the engine oil level. If engine is already started, stop it and allow 10 minutes before checking.
1. Pull out oil level gauge and wipe it clean.





2. Insert oil level gauge and check the engine oil level is within the range (A) shown in the figure.
3. If it is out of range, adjust it.

CAUTION:
Do not overfill the engine with oil.

OIL APPEARANCE
- Check the engine oil for a white milky appearance or excessive contamination.
- If the engine oil is milky, it is highly probable that it is contaminated with engine coolant. Repair or replace damaged parts.

OIL LEAKAGE
Check for oil leakage around the following areas:
- Oil pan
- Oil pan drain plug
- Oil pressure switch
- Oil filter
- Oil cooler
- Intake valve timing control cover
- Intake valve timing control solenoid valve
- Front cover
- Mating surface between cylinder block and cylinder head
- Mating surface between cylinder head and rocker cover
- Crankshaft oil seal (front and rear)

OIL PRESSURE CHECK

WARNING:
- Be careful not to burn yourself, as the engine and engine oil may be hot.
- Put the A/T shift selector in the Park "P" position.
1. Check the engine oil level.
2. Remove front under cover.





3. Disconnect the oil pressure switch (1) harness connector.

Arrow : Vehicle front

4. Remove the oil pressure switch.

CAUTION:
Do not drop or shock oil pressure switch.





5. Install the oil pressure gauge [SST: ST25051001 (J25695-1)] (A) and hose [SST: ST25052000 (J25695-2)] (B).
6. Start the engine and warm it up to normal operating temperature.
7. Check the engine oil pressure with engine running under no-load. [1][2]Engine Oil Pressure.

CAUTION:
If the difference is extreme, check the oil passages and oil pump for leaks and blockages.
8. After the inspections, install oil pressure switch as follows:
a. Remove old liquid gasket adhering to oil pressure switch and engine.
b. Apply liquid gasket and tighten oil pressure switch to the specification.
Use Genuine RTV Silicone Sealant or equivalent. Recommended Chemical Products And Sealants.

Oil pressure switch torque : Refer to "Exploded View". Exploded View

c. After warming up engine, make sure there is no leakage of engine oil with engine running.