Infiniti QX56 (Z62). Manual - part 923

 

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Infiniti QX56 (Z62). Manual - part 923

 

 

ENGINE MAINTENANCE

MA-19

< PERIODIC MAINTENANCE >

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SPARK PLUG : Removal and Installation

INFOID:0000000006394839

REMOVAL

1.

Remove engine cover. Refer to 

EM-25, "Exploded View"

.

2.

Remove ignition coil. Refer to 

EM-29, "Exploded View"

.

3.

Remove spark plug with a spark plug wrench (commercial ser-
vice tool).

INSTALLATION

Note the following item, installa is the reverse order of removal.

CAUTION:

Install ignition coil marked with an identification mark (A) on
cylinder No. 5, 6, 7 and 8.

SPARK PLUG : Inspection

INFOID:0000000006394840

INSPECTION AFTER REMOVAL

Use the standard type spark plug for normal condition.

CAUTION:

• Never drop or impact spark plug.
• Never use a wire brush for cleaning.
• If plug tip is covered with carbon, use spark plug cleaner to

clean.

• Measure spark plug gap. When it exceeds the limit, replace spark plug even if it is within the speci-

fied replacement mileage. Refer to 

EM-132, "Spark Plug"

.

a

: 14 mm (0.55 in)

JPBIA0030ZZ

: Engine front

JPBIA3471ZZ

Spark plug (Standard type)

: Refer to 

EM-132, "Spark Plug"

.

Cleaner air pressure

: Less than 588 kPa (5.9 bar, 6 kg/cm

2

, 85 psi)

Cleaning time

: Less than 20 seconds

SMA773C

MA-20

< PERIODIC MAINTENANCE >

ENGINE MAINTENANCE

• Spark plug gap adjustment is not required between replace-

ment intervals.

EVAP VAPOR LINES

EVAP VAPOR LINES : Inspection

INFOID:0000000006220923

1.

Visually inspect EVAP vapor lines for improper attachment and for cracks, damage, loose connections,
chafing and deterioration.

2.

Inspect fuel tank filler cap vacuum relief valve for clogging, sticking, etc.
Refer to 

EC-532, "Inspection"

.

JPBIA0031ZZ

CHASSIS MAINTENANCE

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CHASSIS MAINTENANCE

EXHAUST SYSTEM

EXHAUST SYSTEM : Inspection

INFOID:0000000006220926

Check exhaust pipes, muffler and mounting for improper attachment,
leakage, cracks, damage or deterioration.
• If damage is found, repair or replace damaged parts.

A/T FLUID

A/T FLUID : Inspection

INFOID:0000000006376364

FLUID LEAKAGE

• Check transaxle surrounding area (oil seal and plug etc.) for fluid

leakage.

• If anything is found, repair or replace damaged parts and adjust A/

T fluid level. Refer to 

TM-95, "Adjustment"

.

TRANSFER FLUID

TRANSFER FLUID : Inspection

INFOID:0000000006394468

FLUID LEAKAGE

Check transfer surrounding area (oil seal, drain plug, and filler plug etc.) for fluid leakage.

FLUID LEVEL

1.

Remove filler plug (1) and gasket. Then check that fluid is filled
up from mounting hole for the filler plug. 

CAUTION:

Never start engine while checking fluid level. 

2.

Set a new gasket onto filler plug (1), and install it on transfer and
then tighten to the specified torque. 

CAUTION:

Never reuse gasket.

TRANSFER FLUID : Draining

INFOID:0000000006394469

1.

Run the vehicle to warm up the transfer unit sufficiently.

2.

Stop the engine.

SMA211A

JSDIA1912ZZ

Specified torque

: 33 N·m (3.4 kg-m, 24 ft-lb)

JPDIE0295ZZ

MA-22

< PERIODIC MAINTENANCE >

CHASSIS MAINTENANCE

3.

Remove the drain plug (1) and drain transfer fluid. 

4.

Set a new gasket onto drain plug (1), and install it to transfer and
tighten to the specified torque. 

CAUTION:

Never reuse gasket.

TRANSFER FLUID : Refilling

INFOID:0000000006394470

1.

Remove filler plug (1). Fill up with new transfer fluid up to mount-
ing hole for the filler plug. 

CAUTION:

Carefully fill the fluid. (Fill up for approximately 3 minutes.)

2.

Leave the vehicle for 3 minutes, and check the fluid level again.

3.

Set a new gasket onto filler plug, and install it on transfer and
tighten to the specified torque.

CAUTION:

Never reuse gasket.

4.

Perform learning of transfer fluid viscosity. Refer to 

DLN-47, "Work Procedure"

.

FRONT PROPELLER SHAFT: 2F P15

FRONT PROPELLER SHAFT: 2F P15 : Inspection

INFOID:0000000006220930

NOISE

Check the propeller shaft tube surface for dents or cracks. If damaged, replace propeller shaft assembly.

VIBRATION

If vibration is present at high speed, inspect propeller shaft runout
first.
1.

With a dial indicator, measure propeller shaft runout at runout
measuring points by rotating final drive companion flange with
hands.

2.

If runout still exceeds specifications, separate propeller shaft at
final drive companion flange; then rotate companion flange 90, 180, 270 degrees and install propeller
shaft.

3.

Check runout again. If runout still exceeds specifications, replace propeller shaft assembly. 

4.

Check the vibration by driving vehicle.

RUNOUT MEASURING POINT

Specified torque

: 33 N-m (3.4 kg-m, 24 ft-lb)

JPDIE0245ZZ

Fluid grade and Viscosity

: Refer to 

MA-10, "Fluids 

and Lubricants"

Fluid capacity

: Refer to 

DLN-124, "Gen-

eral Specifications"

Specified torque

: 33 N-m (3.4 kg-m, 24 ft-lb)

JPDIE0295ZZ

: Vehicle front

Propeller shaft runout

: Refer to 

DLN-133, "Pro-

peller Shaft Runout"

.

LDIA0160E

 

 

 

 

 

 

 

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