Nissan Murano. Manual - part 620

EM-54

< REMOVAL AND INSTALLATION >

IGNITION COIL, SPARK PLUG AND ROCKER COVER

IGNITION COIL, SPARK PLUG AND ROCKER COVER

Exploded View

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Removal and Installation

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REMOVAL

1.

Remove the following parts:

1.

Ignition coil

2.

Spark plug

3.

PCV hose

4.

Clamp

5.

PCV valve

6.

O-ring

7.

Rocker cover (bank 1)

8.

PCV hose

9.

Rocker cover gasket (bank 1)

10.

O-ring

11.

Camshaft position sensor (PHASE) 
(bank 1)

12. Oil filler cap

13.

Rocker cover (bank 2)

14.

Rocker cover gasket (bank 2)

15.

Camshaft position sensor (PHASE) 
(bank 2)

16.

PCV hose

17.

Clamp

A.

To intake manifold collector

B.

Comply with the installation proce-
dure when tightening.Refer to 

EM-54

C.

Camshaft bracket side

D.

To air duct assembly

: Always replace after every disassembly.

: N·m (kg-m, ft-lb)

: N·m (kg-m, in-lb)

: Should be lubricated with oil.

: Sealing point

JPBIA1637GB

IGNITION COIL, SPARK PLUG AND ROCKER COVER

EM-55

< REMOVAL AND INSTALLATION >

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• Engine cover: Refer to 

EM-29, "Exploded View"

.

• Air cleaner cases (upper and lower) and air duct assembly: Refer to 

EM-31, "Exploded View"

.

• Intake manifold collector: Refer to 

EM-33, "Exploded View"

.

2.

Disconnect PCV hose from rocker cover.

3.

Remove camshaft position sensor (PHASE) (bank 1 and bank
2).

CAUTION:

• Handle carefully to avoid dropping and shocks.
• Never disassemble
• Never allow metal powder to adhere to magnetic part at

sensor tip. 

• Never place sensors in a location where they are exposed

to magnetism.

4.

Remove PCV valve and O-ring from rocker cover, if necessary.

5.

Remove oil filler cap from rocker cover, if necessary. 

6.

Remove ignition coil.

CAUTION:

Never shock ignition coil.

7.

Remove harness clips on the rocker cover.

8.

Loosen bolts in the reverse order shown in the figure.

9.

Remove rocker cover gasket from rocker cover.

10. Use scraper to remove all traces of liquid gasket from cylinder head and camshaft bracket (No. 1).

CAUTION:

Never scratch or damage the mating surface when cleaning off old liquid gasket.

INSTALLATION

CAUTION:

Do not reuse O-rings.

A

: Keep off any magnetic materials

: Engine front

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EM-56

< REMOVAL AND INSTALLATION >

IGNITION COIL, SPARK PLUG AND ROCKER COVER

1.

Apply liquid gasket to the position shown in the figure with the
following procedure:

Use Genuine RTV silicone sealant or equivalent. Refer to

GI-

22, "Recommended Chemical Products and Sealants"

.

a.

Refer to figure (E) to apply liquid gasket to joint part of camshaft
bracket (No. 1) (1) and cylinder head.

b.

Refer to figure (H) to apply liquid gasket in 90 degrees to figure.

2.

Install rocker cover gasket to rocker cover.

3.

Install rocker cover.
• Check if rocker cover gasket is not dropped from the installation groove of rocker cover. 

4.

Tighten bolts in two steps separately in numerical order as
shown in the figure.

5.

Install in the reverse order of removal after this step. 

A

: Liquid gasket application point

F

:  View  F

I

: End surface of camshaft bracket (No. 1)

b

: 4 mm (0.16 in)

c

: 

φ

2.5 - 3.5 mm (0.098 - 0.138 in)

d

: 5 mm (0.20 in)

g

: 10 mm (0.39 in)

: Engine front

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: Engine front

 1st step

: 1.96 N·m (0.20 kg-m, 17 in-lb)

 2nd step

: 8.33 N·m (0.85 kg-m, 74 in-lb)

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TIMING CHAIN

EM-57

< REMOVAL AND INSTALLATION >

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TIMING CHAIN

Exploded View

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1.

Timing chain tensioner (secondary)
(bank 2)

2.

Internal chain guide

3.

Timing chain tensioner (secondary)
(bank 1)

4.

Oil temperature sensor

5.

Camshaft sprocket (EXH)

6.

O-ring

7.

Timing chain (secondary)

8.

Timing chain (primary)

9.

Camshaft sprocket (INT)

10. Slack guide

11. Timing chain tensioner (primary)

12.

Crankshaft sprocket

13. Rear timing chain case

14. Tension guide

15.

O-ring

16. O-ring

17. O-ring

18.

Front timing chain case

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