Disassembly

1NZ-FXE ENGINE MECHANICAL: CYLINDER HEAD: DISASSEMBLY

DISASSEMBLY

1. REMOVE NO. 1 TAPER SCREW PLUG





(a) Using a 10 mm hexagon wrench, remove the taper screw plug and gasket.
2. REMOVE OIL CONTROL VALVE FILTER





(a) Using an 8 mm hexagon wrench, remove the screw plug.
(b) Remove the filter and gasket.





3. REMOVE VALVE LIFTER
HINT: Keep the valve lifters in the correct order so that they can be returned to their original locations when reassembling.

4. REMOVE INTAKE VALVE





(a) Using SST, compress the valve spring and remove the 2 retainer locks, valve, retainer and valve spring.
SST: 09202-70020
09202-00010
09202-01010
09202-01020
HINT: Keep the valves, valve springs and spring retainers in the correct order so that they can be returned to their original locations when reassembling.

5. REMOVE EXHAUST VALVE
(a) Using SST, compress the valve spring and remove the 2 retainer locks, valve, retainer and valve spring.
SST: 09202-70020
09202-00010
09202-01010
09202-01020
HINT: Keep the valves, valve springs and spring retainers in the correct order so that they can be returned to their original locations when reassembling.

6. REMOVE VALVE STEM OIL SEAL





(a) Using needle-nose pliers, remove the oil seal.
7. REMOVE VALVE SPRING SEAT





(a) Using compressed air and a magnetic finger, remove the valve spring seat.
HINT: Keep the valve seats in the correct order so that they can be returned to their original locations when reassembling.

8. REMOVE STUD BOLT
(a) Using E5 and E7 "TORX" sockets, remove the 7 stud bolts.





9. REMOVE CAMSHAFT BEARING CAP SETTING RING PIN





(a) Remove the 2 ring pins indicated in the illustration.