Nissan Qashqai J11. Manual - part 33

 

  Index      Nissan     Nissan Qashqai J11 - Service and Repair Manual

 

Search            

 

 

 

 

 

 

 

  

 

Content   ..  31  32  33  34   ..

 

 

Nissan Qashqai J11. Manual - part 33

 

 

CYLINDER HEAD

EM-71

< UNIT DISASSEMBLY AND ASSEMBLY >

[HRA2DDT]

C

D

E

F

G

H

I

J

K

L

M

A

EM

N

P

O

4.

Remove cylinder head loosening bolts in reverse order as
shown in the figure with cylinder head wrench (commercial ser-
vice tool). 

5.

Remove cylinder head gasket.

INSTALLATION

1.

Install new cylinder head gasket.

2.

Tighten cylinder head bolts in numerical order as shown in the
figure with the following procedure to install cylinder head.

CAUTION:

Cylinder head bolts can not be reuse.

a.

Apply new engine oil to threads and seating surfaces of mount-
ing bolts.

b.

Tighten all bolts.

c.

Turn all bolts 270 degrees clockwise (angle tightening).

CAUTION:

Check and confirm the tightening angle by using the angle
wrench [SST: KV10112100] (A) or protractor. Avoid judg-
ment by visual inspection without the tool.

3.

Install in the reverse order of removal after this step. 

Disassembly and Assembly

INFOID:0000000010282239

DISASSEMBLY

1.

Remove spark plug with a spark plug wrench (commercial service tool).

2.

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

3.

Remove valve collet. 

A

: INT side

B

: EXH side

: Engine front

E1BIA1042ZZ

A

: INT side

B

: EXH side

: Engine front

: 25.0 N·m (2.6 kg-m, 18 ft-lb)

E1BIA1042ZZ

PBIC3733E

EM-72

< UNIT DISASSEMBLY AND ASSEMBLY >

[HRA2DDT]

CYLINDER HEAD

• Compress valve spring with the valve spring compressor

(commercial service tool). 

• Remove valve collet with a magnet hand.

CAUTION:

When working, be careful not to damage valve lifter holes.

4.

Remove valve spring retainer and valve spring.

5.

Measure position "H" of one of the valve oil seal with the follow-
ing procedure.

CAUTION:

Before removing the valves and the valve oil seals, it is vital
to measure position "H" of one of the valve oil seal in rela-
tion with the cylinder head using [SST: KV113B0330 (Mot.
1511)] or equivalent tool.

a.

Install the push rod (A) of [SST: KV113B0330 (Mot. 1511)] or
equivalent tool on the valve oil seal.
NOTE:
The inner diameter of the push rod must be identical to that of
the valve. In addition, the bottom of the push rod must come into
contact with the metal upper section of the valve oil seal.  

b.

Install the guide tube (B) over the push rod until the guide tube
comes into contact with the cylinder head, locking the push rod
with the knurled wheel. 

c.

Remove the guide tube assembly and push rod, being careful
not to loosen the knurled wheel.

d.

Push valve stem to combustion chamber side, and remove
valve. 
• Identify installation positions, and store them without mixing

them up.

e.

Remove using [SST: KV113B0090 (Mot. 1335)] or equivalent
valve oil seals.

6.

7.

Remove valve spring seat.

ASSEMBLY

1.

Check valve seat contact. Refer to 

EM-74, "Inspection"

2.

Install valve.

E1BIA1100ZZ

MBIB0417E

MBIB0418E

MBIB0419E

CYLINDER HEAD

EM-73

< UNIT DISASSEMBLY AND ASSEMBLY >

[HRA2DDT]

C

D

E

F

G

H

I

J

K

L

M

A

EM

N

P

O

• Lubricate the inside of the valve guide.

3.

Instal valve oil seal with the following procedure. 

a.

Install the barrel of [SST: KV113B0330 (Mot. 1511)] or equiva-
lent tool on the valve stem.
NOTE:
The inner diameter of the barrel must be identical to the diame-
ter of the valve stem.

b.

Keep the valve pressed in contact with the valve seat

c.

Install the valve oil seal on the barel of [SST: KV113B0330 (Mot.
1511)] or equivalent.
NOTE:
Never lubricate the valve oil seal before install them.

d.

Push the valve oi seal until it past the barrel of [SST:
KV113B0330 (Mot. 1511)] or equivalent then remove the barrel
of [SST: KV113B0330 (Mot. 1511)] or equivalent.

MBIB0421E

MBIB0422E

MBIB0423E

MBIB0424E

EM-74

< UNIT DISASSEMBLY AND ASSEMBLY >

[HRA2DDT]

CYLINDER HEAD

e.

Install guide tube and push rod of [SST: KV113B0330 (Mot.
1511)] or equivalent on the valve oil seal.

f.

Push the valve oil seal by tapping by hand on the sleeve of [SST:
KV113B0330 (Mot. 1511)] or equivalent until guide tube reaches
the cylinder head. 

4.

Repeat the operations for all the valves.

5.

Install valve spring seat.

6.

Install valve spring and valve spring retainer.

7.

Install valve collet. 
• Compress valve spring with the valve spring compressor.

valve (commercial service tool).

• Install valve collet with a magnet hand.

CAUTION:

When working, be careful not to damage valve lifter holes.

• Tap valve stem edge lightly with a plastic hammer after instal-

lation to check its installed condition.

8.

Install valve lifter.

9.

Install spark plug with a spark plug wrench (commercial service
tool).

Inspection

INFOID:0000000010365193

INSPECTION AFTER REMOVAL

Cylinder Head Distortion

NOTE:
When performing this inspection, cylinder block distortion should be also checking. Refer to 

EM-102, "Inspec-

tion"

.

1.

Wipe off engine oil and remove water scale (like deposit), gasket, sealant, carbon, etc. with a scraper.

CAUTION:

Use utmost care not to allow gasket debris to enter passages for engine oil or engine coolant.

MBIB0425E

E1BIA1100ZZ

 

 

 

 

 

 

 

Content   ..  31  32  33  34   ..