Infiniti QX56 (Z62). Manual — part 915

LU-4

< PREPARATION >

PREPARATION

Tool name

Description

Tube presser

Pressing the tube of liquid gasket

Power tool

Loosening bolts and nuts

Deep socket

Removing and installing oil pressure switch
Deep socket 26 mm

S-NT052

PBIC0190E

NT818

LUBRICATION SYSTEM

LU-5

< SYSTEM DESCRIPTION >

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SYSTEM DESCRIPTION

LUBRICATION SYSTEM

Engine Lubrication System

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LU-6

< SYSTEM DESCRIPTION >

LUBRICATION SYSTEM

Engine Lubrication System Schematic

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ENGINE OIL

LU-7

< PERIODIC MAINTENANCE >

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PERIODIC MAINTENANCE

ENGINE OIL

Inspection

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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.

4.

Remove the oil pressure switch.

CAUTION:

Do not drop or shock oil pressure switch.

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:Vehicle front

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