Infiniti M45 (Y34). Manual - part 523

 

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Infiniti M45 (Y34). Manual - part 523

 

 

SPARK PLUG (PLATINUM-TIPPED TYPE)

EM-29

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SPARK  PLUG (PLATINUM-TIPPED TYPE)

PFP:22401

Removal and Installation

ABS004RS

REMOVAL

1.

Remove ignition coil. Refer to 

EM-28, "Removal and Installation"

 .

2.

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

INSPECTION AFTER REMOVAL

Use standard type spark plug for normal condition.

The hot type spark plug is suitable when fouling occurs with the standard type spark plug under conditions
such as:

Frequent engine starts

Low ambient temperatures

The cold type spark plug is suitable when spark knock occurs with the standard type spark plug under condi-
tions such as:

Extended highway driving

Frequent high engine revolution

CAUTION:

Do not drop or shock spark plug.

Do not use a wire brush for cleaning.

If plug tip is covered with carbon, spark plug cleaner may
be used.

SEM294A

Make

                   NGK

Standard type

              PLFR5A-11

Hot type

              PLFR4A-11

Cold type

              PLFR6A-11

Gap (Nominal)

: 1.1 mm (0.043 in)

Cleaner air pressure:

Less than 588 kPa (5.9 bar, 6 kg/cm

2

 , 85 psi)

Cleaning time:

Less than 20 seconds

SMA773C

EM-30

SPARK PLUG (PLATINUM-TIPPED TYPE)

Checking and adjusting plug gap is not required between
change intervals.

INSTALLATION

Install in the reverse order of removal.

SMA806CA

Spark plug:

: 24.6 N·m (2.5 kg-m, 18 ft-lb)

FUEL INJECTOR AND FUEL TUBE

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FUEL INJECTOR AND FUEL TUBE

PFP:16600

Removal and Installation

ABS000LR

CAUTION:

Do not remove or disassemble parts unless instructed as shown in the figure.

REMOVAL

1.

Remove engine cover with power tool. Refer to 

EM-12, "ENGINE ROOM COVER"

 .

2.

Release fuel pressure. Refer to 

EC-46, "FUEL PRESSURE RELEASE"

 .

1.

Fuel injector sub harness (right)

2.

Centralized underfloor piping

3.

Fuel feed hose

4.

Quick connector cap

5.

O-ring

6.

Fuel damper (right)

7.

Fuel tube (right)

8.

Spacer

9.

Fuel feed damper

10.

Fuel damper and fuel hose assem-
bly

11.

Clip

12. O-ring (Green)

13.

Fuel injector

14.

O-ring (Black)

15. Fuel tube (left)

16.

Fuel injector sub harness (left)

PBIC3088E

EM-32

FUEL INJECTOR AND FUEL TUBE

3.

Disconnect fuel feed hose on engine side as the following:
(Excepting to confirm whether or not there is quick connector
cap, perform same procedure for the side of centralized under-
floor piping as well.)

a.

Remove quick connector cap from quick connector connection.
(engine side only)

b.

Disconnect quick connector from fuel tube (fuel feed damper) as the following:

CAUTION:

Disconnect quick connector by using the quick connector release (SST: J-45488), not by picking
out retainer tabs (centralized under-floor piping side).

i.

With the sleeve side of the quick connector release facing quick connector, install the quick connector
release onto fuel tube.

ii.

Insert the quick connector release into quick connector until
sleeve contacts and goes no further. Hold the quick connector
release on that position.

CAUTION:

Inserting the quick connector release hard will not discon-
nect quick connector. Hold the quick connector release
where it contacts and goes no further.

iii.

Draw and pull out quick connector straight from fuel tube.

CAUTION:

Pull quick connector holding “A” position as shown in
the figure.

Do not pull with lateral force applied. O-ring inside quick connector may be damaged.

Prepare container and cloth beforehand as fuel will leak out.

Avoid fire and sparks.

Keep parts away from heat source. Especially, be careful when welding is performed around
them.

Do not expose parts to battery electrolyte or other acids.

Do not bend or twist connection between quick connector and fuel feed hose during installa-
tion/removal.

SBIA0353E

SBIA0354E

KBIA0702E

 

 

 

 

 

 

 

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