Nissan Rogue. Manual — part 574
CYLINDER HEAD
EM-61
< REMOVAL AND INSTALLATION >
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Disassembly and Assembly
INFOID:0000000011279964
CAUTION:
• When installing camshafts, chain tensioners, oil seals or other sliding parts, lubricate contacting
surfaces with new engine oil.
• Apply new engine oil to threads and seat surfaces when installing the cylinder head, camshaft
sprocket, crankshaft pulley and camshaft bracket.
• Attach tags to valve lifters so all parts are assembled in their original position.
CAUTION:
Read PRECAUTION carefully.
The exhaust valve contains metallic sodium. Therefore, extreme caution must be taken when handling
and disposing of the exhaust valve. Refer to
EM-4, "Special Cautions to Ensure the Safe Disposal of
DISASSEMBLY
1. Remove the valve lifter.
NOTE:
Confirm installation point to return valve lifter to original location during assembly.
1.
Valve lifter
2.
Valve collet
3.
Valve spring retainer
4.
Valve spring (INT)
5.
Valve spring (EXH)
6.
Valve oil seal
7.
Valve guide
8.
Cylinder head
9.
Valve seat (INT)
10. Valve seat (EXH)
11. Valve (INT)
12. Valve (EXH)
13. Spark plug tube
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Apply thread locking sealant
AWBIA1924ZZ
EM-62
< REMOVAL AND INSTALLATION >
CYLINDER HEAD
2. Remove valve collet, valve spring retainer, and valve spring
using suitable tool (A). Remove valve collet with magnetic hand.
CAUTION:
• Be careful not to damage valve lifter holes.
• Install suitable tool (A) in the center of valve spring
retainer (1) to install it.
3. Remove valve spring retainer and valve spring (with valve spring seat).
CAUTION:
Do not remove valve spring seat from valve spring.
4. Push valve stem to combustion chamber side, and remove valve.
• Inspect valve guide clearance before removal. Refer to
EM-66, "Inspection After Disassembly"
• Confirm installation point to return valve to original location during assembly.
5. Remove valve oil seal using suitable tool (A).
6. Remove valve seat, if necessary.
• Bore out old seat until it collapses. Boring should not continue beyond the bottom face of the seat
recess in cylinder head. Set the machine depth stop to ensure this. Refer to
CAUTION:
Do not bore excessively to prevent damage to cylinder head.
7. Remove valve guide, if necessary.
AWBIA1760ZZ
JPBIA4477ZZ
ALBIA0863GB
CYLINDER HEAD
EM-63
< REMOVAL AND INSTALLATION >
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a. To remove valve guide, heat cylinder head to 110
°C to 130°C
(230
°F to 266°F) by soaking in heated engine oil (A).
WARNING:
Cylinder head contains heat. When working, wear protec-
tive equipment to avoid getting burned.
b. Drive out valve guide using suitable tool.
8. Remove spark plugs. Refer to
EM-19, "Removal and Installation"
9. Remove spark plug tubes, if necessary, using suitable tool.
CAUTION:
• Be careful not to damage cylinder head.
• Do not remove spark plug tube if not necessary. Once removed, the spark plug tube cannot be
reused because of deformation during removal.
ASSEMBLY
1. Install valve guide, if removed.
a. Ream cylinder head valve guide hole using suitable tool (A).
b. Heat cylinder head to 110
°C to 130°C (230°F to 266°F) by soak-
ing in heated engine oil (A).
WARNING:
Cylinder head contains heat. When working, wear protec-
tive equipment to avoid getting burned.
PBIC3214J
SEM931C
AWBIA1449ZZ
PBIC3214J
EM-64
< REMOVAL AND INSTALLATION >
CYLINDER HEAD
c.
Press valve guide (1) into cylinder head (2) from camshaft side
to dimension as shown.
d. Apply reamer finish to valve guide using suitable tool (A).
2. Install valve seat, if removed.
a. Ream cylinder head (1) recess diameter for service valve seat
(2).
b. Heat cylinder head to 110
°C to 130°C (230°F to 266°F) by soak-
ing in heated engine oil (A).
WARNING:
Cylinder head contains heat. When working, wear protec-
tive equipment to avoid getting burned.
c.
Allow valve seats to cool with dry ice. Press-fit valve seat into cylinder head.
CAUTION:
Do not touch cold valve seats directly.
Projection (H)
: Refer to
PBIC3217J
Standard
: Refer to
AWBIA1449ZZ
PBIC3218J
PBIC3214J
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