Infiniti F50. Manual - part 535

OIL PAN AND OIL STRAINER

EM-27

C

D

E

F

G

H

I

J

K

L

M

A

EM

c.

Tighten bolts in numerical order as shown.

●

No.11 and 17 indicate double tightening of bolts 1 and 2.

NOTE:
Refer to the below for locating bolts.

d.

M6 

×

 30 mm (1.18 in): No.18, 19

M8 

×

 100 mm (3.97 in): No.5, 9

M8 

×

 45 mm (1.77 in): Except the above

e.

Tighten transmission joint bolts. Refer to 

AT-296, "TRANSMIS-

SION ASSEMBLY"

 .

f.

Install rear plate cover.

3.

Install oil pan drain plug. Refer to illustration of components of
former page for installation direction of washer.

4.

Install in the reverse order of removal after this step.

●

Pour engine oil at least 30 minutes after oil pan is installed.

INSPECTION AFTER INSTALLATION

●

Check engine oil level. Refer to 

LU-6, "ENGINE OIL LEVEL"

 .

●

Check for leakage of engine oil when engine is warmed.

PBIC0194E

EM-28

IGNITION COIL

IGNITION COIL

PFP:22448

Removal and Installation

EBS001LD

REMOVAL

1.

Remove engine cover (with power tool), air cleaner cover and battery cover. Refer to 

EM-11, "Removal

and Installation"

 .

2.

Move heater hose and its peripheral parts aside. (No.7 cylinder)

3.

Disconnect harness connector from ignition coil.

4.

Remove ignition coil.

CAUTION:

Do not shock it.

INSTALLATION

Install in the reverse order of removal.

SBIA0384E

1.

Ignition coil

2.

Spark plug

SPARK PLUG (PLATINUM-TIPPED TYPE)

EM-29

C

D

E

F

G

H

I

J

K

L

M

A

EM

SPARK PLUG (PLATINUM-TIPPED TYPE)

PFP:22401

Removal and Installation

EBS001LE

REMOVAL

1.

Remove engine cover with power tool. Refer to 

EM-11, "ENGINE ROOM COVER"

 .

2.

Remove ignition coil. Refer to 

EM-28, "IGNITION COIL"

 .

3.

Remove spark plug with spark plug wrench (commercial service
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

Spark plug (Platinum-tipped type):

SBIA0384E

1.

Ignition coil

2.

Spark plug

SEM294A

Make

NGK

Standard type

PLFR5A-11

Hot type

PLFR4A-11

Cold type

PLFR6A-11

Gap (Nominal)

: 1.1 mm (0.043 in)

EM-30

SPARK PLUG (PLATINUM-TIPPED TYPE)

CAUTION:

●

Do not use a wire brush for cleaning.

●

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

●

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

INSTALLATION

Install in the reverse order of removal.

Cleaner air pressure:

Less than 588 kPa (6 kg/cm

2

  , 85 psi)

Cleaning time:

Less than 20 seconds

SMA773C

SMA806CA

Spark plug:

 : 19.6 - 29.4 N·m (2.0 - 2.9 kg-m, 15 - 21 ft-lb)