Nissan X-Trail 32. Manual - part 1081

 

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Nissan X-Trail 32. Manual - part 1081

 

 

CAMSHAFT

EM-221

< UNIT DISASSEMBLY AND ASSEMBLY >

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CAMSHAFT

Exploded View

INFOID:0000000010783812

JSBIA3384GB

Exhaust valve timing control position 
sensor

O-ring

Camshaft position sensor (PHASE)

O-ring

Camshaft position sensor bracket

Camshaft bracket (No. 2 to 5)

Camshaft bracket (No. 1)

Camshaft sprocket (INT)

Camshaft sprocket (EXH)

Valve lifter

Camshaft (EXH)

Signal plate (EXH)

Signal plate (INT)

Camshaft (INT)

Comply with the installation procedure 
when tightening. Refer to 

EM-222

Comply with the installation procedure 
when tightening. Refer to 

EM-222

 

 : N·m (kg-m, ft-lb)

 : N·m (kg-m, in-lb)

 : Always replace after every disassembly.

 : Should be lubricated with oil.

 : Sealing point

 : Select with proper thickness.

EM-222

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CAMSHAFT

Removal and Installation

INFOID:0000000010783813

REMOVAL

NOTE:
This section describes removal/installation procedure of camshaft without removing front cover. If front cover
is removed or installed, removal of camshaft bracket (No. 1) is easier before step 9 and installation is easier
after step 4. Regarding removal and installation of front cover, refer to 

EM-210, "Exploded View"

.

1.

Release fuel pressure. Refer to 

EC-558, "Work Procedure"

.

2.

Remove rocker cover. Refer to 

EM-190, "Removal and Installation"

.

3.

Remove camshaft position sensor bracket.
• Loosen mounting bolts in reverse order as shown in the figure.

4.

Remove intake valve timing control cover with the following pro-
cedure:

a.

Disconnect intake valve timing control solenoid valve harness
connector.

b.

Remove intake valve timing control solenoid valve, if necessary.

c.

Loosen bolts in reverse order as shown in the figure.

NOTE:
Do not loosen screws 

 on the back of the valve timing control

cover.

5.

Pull chain guide between camshaft sprockets out through front cover.

6.

Set No. 1 cylinder at TDC on its compression stroke with the following procedure:

a.

Open front splash guard on RH undercover.

: Engine front

JSBIA3385ZZ

ALBIA0839GB

AWBIA1361ZZ

CAMSHAFT

EM-223

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b.

Rotate crankshaft pulley 

 clockwise and align TDC mark (no

paint) 

 to timing indicator 

 on front cover. 

c.

At the same time, check that the mating marks 

 on camshaft

sprockets are located as shown in the figure.

• If not, rotate crankshaft pulley one more turn to align mating

marks to the positions in the figure.

7.

Remove camshaft sprockets with the following procedure:

a.

Line up the mating marks on camshaft sprockets, and paint
indelible mating marks on timing chain link plate.

b.

Push in chain tensioner plunger. Insert a stopper pin (A) into
hole on chain tensioner body to secure chain tensioner plunger
and remove chain tensioner 

.

NOTE:
Use approx. 0.5 mm (0.02 in) dia. hard metal pin as a stopper
pin.

c.

Secure hexagonal part of camshaft with a wrench. Loosen cam-
shaft sprocket mounting bolts and remove camshaft sprockets.

CAUTION:

Never rotate crankshaft or camshaft while timing chain is
removed. It causes interference between valve and piston.
NOTE:
Chain tension holding work is not necessary. Crankshaft
sprocket and timing chain do not disconnect structurally while
front cover is attached.

8.

Loosen mounting bolts in reverse order as shown in the figure,
and remove camshaft brackets and camshafts.

• Remove camshaft bracket (No. 1) by slightly tapping it with a

plastic hammer. 

: Paint mark (Not use for service)

JSBIA3308ZZ

: Camshaft sprocket (INT)

: Camshaft sprocket (EXH)

JSBIA3357ZZ

JSBIA3376ZZ

ALBIA0844GB

: Intake side

: Exhaust side

: Engene front

ALBIA0846GB

EM-224

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CAMSHAFT

9.

Remove valve lifters. 
• Identify installation positions, and store them without mixing them up.

INSTALLATION

CAUTION:

Do not reuse O-rings.
1.

Install valve lifters.
• Install them in the original positions.

2.

Install camshafts.
• Distinction between intake and exhaust camshafts is per-

formed with the different shapes of rear end.

• Install camshafts so that camshaft dowel pins 

 on the front

side are positioned (

) as shown in the figure.

3.

Install camshaft brackets with the following procedure:

a.

Remove foreign material completely from camshaft bracket backside and from cylinder head installation
face.

b.

Install camshaft brackets aligning the identification marks on
upper surface as shown in the figure.

NOTE:
Install so that identification mark can be correctly read when
viewed from the exhaust side.

c.

Install camshaft bracket (No. 1) with the following procedure:

i.

Apply liquid gasket to camshaft bracket (No. 1) as shown in the
figure.

Use Genuine Liquid Gasket or equivalent. 

CAUTION:

: Camshaft (EXH)

: Camshaft (INT)

JSBIA3386ZZ

: Camshaft (INT)

: Camshaft (EXH)

JSBIA2439ZZ

: Intake side

: Exhaust side

: Engine front

JSBIA2440ZZ

: Engine front

A : 

φ

2.0 - 3.0 mm

B : 10.5 mm

JSBIA2441ZZ

 

 

 

 

 

 

 

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