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Home >> Infiniti >> 2017 >> QX80 Base, RWD >> Repair and Diagnosis >> Engine Mechanical >> Engine Mechanical >> Removal And Installation >> Cylinder Head >> Exploded View

Exploded View

Fig 1: Cylinder Head With Torque Specifications
GNSJPBIA3524GB-524Courtesy of NISSAN NORTH AMERICA, INC.
1. Valve lifter (EXH) 2. Valve collet (EXH) 3. Valve spring retainer (EXH)
4. Valve oil seal (EXH) 5. Valve spring (with valve spring seat) (EXH) 6. Valve guide (EXH)
7. Spark plug 8. Valve lifter (INT) 9. Valve collet (INT)
10. Valve spring retainer (INT) 11. Valve oil seal (INT) 12. Valve spring (with valve spring seat) (INT)
13. Cylinder head bolt 14. Cylinder head (bank 2) 15. Valve seat (EXH)
16. Valve (EXH) 17. Cylinder head gasket (bank 2) 18. Oil filter (for VVEL ladder assembly)
19. Cylinder block 20. Valve (INT) 21. Valve seat (INT)
22. Cylinder head gasket (bank 1) 23. Cylinder head (bank 1) 24. Engine coolant temperature sensor 1
A. Comply with the installation procedure when tightening. Refer to REMOVAL AND INSTALLATION .        
BOLT : N•m (kg - m, ft - lb)        
DISAS : Always replace after every disassembly.
OIL : Should be lubricated with oil.
STARF : Select with proper thickness.
CAUTION:

A high degree of precision is required for a valve on the intake side. Never remove the valve related parts unless necessary.

NOTE:
  • As for replacement of parts on the intake side as shown in the exploded view, replace VVEL ladder assembly & cylinder head assembly. (Only valve oil seals are replaceable as a single part.)
  • VVEL ladder assembly cannot be replaced as a single part, because it is machined together with cylinder head assembly.