Toyota Avalon Service & Repair Manual: Lubrication System

On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. CHECK ENGINE OIL LEVEL

(a) Warm up and stop the engine, then wait for 5 minutes.

(b) Check that the engine oil level is between the low level and full level marks on the engine oil level dipstick.

If the level is low, check for engine oil leaks and add engine oil to the full level mark.

NOTICE:

Do not fill to above the full level mark.

HINT:

A certain amount of engine oil will be consumed while driving. In the following situations, engine oil consumption may increase, and engine oil may need to be refilled in between oil maintenance intervals.

  • When the engine is new, for example directly after purchasing the vehicle or after replacing the engine.
  • If low quality engine oil or oil of an inappropriate viscosity is used.
  • When driving at high engine speeds or with a heavy load (when towing, etc.), or when accelerating or decelerating frequently while driving.
  • When idling for a long time, or when driving frequently through heavy traffic.

When judging the amount of oil consumption, keep in mind that the oil may have become diluted, making it difficult to judge the true level accurately.

2. CHECK ENGINE OIL QUALITY

(a) Check the engine oil for deterioration, water intrusion, discoloration or thinning.

If the quality is visibly poor, replace the engine oil and oil filter element.

3. INSPECT OIL PRESSURE

CAUTION:

  • To prevent injury due to contact with an operating V-ribbed belt or cooling fan, keep your hands and clothing away from the V-ribbed belt and cooling fan when working in the engine compartment with the engine running or the engine switch on (IG).
  • To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.
  • To prevent burns, do not remove the engine oil pressure switch assembly while the engine is hot.

(a) Remove the front fender apron seal RH.

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(b) Remove the engine oil pressure switch assembly.

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(c) Install an oil pressure gauge with the adapter.

(d) Warm up the engine.

HINT:

After warming up the engine, the engine coolant temperature is 75 to 100°C (167 to 212°F).

(e) Check the oil pressure.

Standard Oil Pressure:

Condition

Specified Condition

Idling

30 kPa (0.3 kgf/cm2, 4.4 psi) or higher

3000 rpm

200 kPa (2.0 kgf/cm2, 29 psi) or higher

If the result is not as specified, check the quality of the engine oil and check the oil paths for clogging. Repair or replace if necessary. If the engine oil pressure is still not as specified, check the timing chain cover assembly.

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(f) Remove the oil pressure gauge with the adapter.

(g) Install the engine oil pressure switch assembly.

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(h) Inspect for engine oil leaks.

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(i) Install the front fender apron seal RH.

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    2gr-fks Lubrication

    Oil And Oil Filter

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