Nissan March K13. Manual - part 272

EM-22

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SPARK PLUG

SPARK PLUG

Removal and Installation

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REMOVAL

1.

Remove ignition coil. Refer to 

EM-41, "Exploded View"

.

2.

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

CAUTION:

Never drop or shock spark plug.

INSTALLATION

Install in the reverse order of removal.

Inspection

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INSPECTION AFTER REMOVAL

Use the standard type spark plug for normal condition.

CAUTION:

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

used.

a

: 14 mm (0.55 in)

JPBIA0030ZZ

Spark plug (Standard type)

: Refer to 

EM-93, "Spark Plug"

.

Cleaner air pressure

: Less than 588 kPa (6 kg/cm

2

, 

85 psi)

Cleaning time

: Less than 20 seconds

SMA773C

DRIVE BELT IDLER PULLEY

EM-23

< REMOVAL AND INSTALLATION >

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REMOVAL AND INSTALLATION

DRIVE BELT IDLER PULLEY

Removal and Installation

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REMOVAL

1.

Remove drive belt. Refer to 

EM-19, "Removal and Installation"

.

2.

Remove the lock nut, and then remove the plate (7), idler pulley
(6), and washer (5).

3.

Remove the center shaft (2) together with the spacer (3) with
inserting the adjusting bolt (4).

INSTALLATION

1.

Insert the center shaft (1) into the slide groove of the spacer (2).
Fully screw in the adjusting bolt (3) in the belt loosening direc-
tion (

).

• At that time, place the flange (a) of the adjusting bolt and the

seat (b) of the center shaft on the spacer.

2.

Place each surface (c and d) of the spacer on the alternator
bracket. Install the washer, idler pulley, and plate, and then tem-
porarily tighten the lock nut.

3.

Install removed parts in the reverse order of removal.

1

: Alternator bracket

JPBIA3427GB

: 4.4 N·m (0.45 kg-m, 39 in-lb)

PBIC3885E

EM-24

< REMOVAL AND INSTALLATION >

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AIR CLEANER AND AIR DUCT

AIR CLEANER AND AIR DUCT

Exploded View

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Removal and Installation

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REMOVAL

NOTE:
Mass air flow sensor is removable under the car-mounted condition.

1.

Remove air duct (inlet).

2.

Remove the air cleaner body assembly with air cleaner filter.

3.

Disconnect PCV hose.

4.

Disconnect mass air flow sensor harness connector.

5.

Remove air cleaner cover assembly with air duct (between air cleaner cover assembly and electric throttle
control actuator).
• Add matching marks if necessary for easier installation.

6.

Separate air duct and air cleaner cover assembly.

7.

Remove mass air flow sensor from air cleaner case, if necessary.

CAUTION:

Handle the mass air flow sensor with following cares.
• Never shock the mass air flow sensor.
• Never disassemble the mass air flow sensor.
• Never touch the sensor of the mass air flow sensor.

INSTALLATION

1.

Mounting rubber

2.

Air duct (inlet)

3.

Air cleaner body assembly

4.

Air cleaner filter

5.

Air cleaner cover assembly

6.

Mas air flow sensor

7.

Clamp

8.

Air duct 

9.

Clamp

A.

To electric throttle control actuator

Refer to

GI-4, "Components"

 for symbols in the figure.

JPBIA3386GB

AIR CLEANER AND AIR DUCT

EM-25

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Note the following, and install in the reverse order of removal.
• Align marks. Attach each joint. Screw clamps firmly.

Inspection

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INSPECTION AFTER REMOVAL

Inspect air duct and resonator assembly for crack or tear.
• If anything found, replace air duct and resonator assembly.