Reassembly

3MZ-FE ENGINE MECHANICAL: CYLINDER HEAD: REASSEMBLY

REASSEMBLY

1. INSTALL RING PIN (for Bank 1)






(a) Using a plastic-faced hammer, tap in a new ring pin to the specified protrusion height.
Protrusion height:
3 mm (0.12 in.)
2. INSTALL RING PIN (for Bank 2)






(a) Using a plastic-faced hammer, tap in a new ring pin to the specified protrusion height.
Protrusion height:
3 mm (0.12 in.)
3. INSTALL STUD BOLTS






(a) Install the stud bolts on the intake side.
Torque: 8.0 Nm (82 kgf-cm, 71 in-lbf)
(b) Install the stud bolts on the exhaust side.
Torque: 20 Nm (204 kgf-cm, 15 ft-lbf)
4. INSTALL VALVE SPRING SEAT
(a) Install the valve spring seat.
5. INSTALL VALVE STEM OIL SEAL OR RING






(a) Apply a light coat of engine oil to the valve stem.
NOTE: Pay much attention when assembling the oil seal for intake and exhaust. Assembling the wrong one may cause an improper installation.
HINT: The intake valve oil seal is light brown and the exhaust valve oil seal is gray.





(b) Using SST, push in new oil seals.
SST: 09201-41020
NOTE: Failure to use SST will cause the seal to be damaged or improperly seated.

6. INSTALL INTAKE VALVE






(a) Install the valve, spring seat, valve spring, and spring retainer.
NOTE: Install the same parts in the same combination to the original locations.





(b) Using SST, compress the valve spring and place the 2 retainer locks around the valve stem.
SST: 09202-70020
09202-00010






(c) Using a plastic-faced hammer and a discarded valve (the tip is wrapped with tape), lightly tap the installed valve to fit into place.
NOTE: Do not damage the installed valve stem tip.

7. INSTALL EXHAUST VALVE






(a) Install the valve, spring seat, valve spring, and spring retainer.
NOTE: Install the same parts in the same combination to the original locations.





(b) Using SST, compress the valve spring and place the 2 retainer locks around the valve stem.
SST: 09202-70020
09202-00010






(c) Using a plastic hammer and a discarded valve (the tip is wrapped with tape), lightly tap the installed valve to fit into place.
NOTE: Do not damage the installed valve stem tip.

8. INSTALL VALVE LIFTER
(a) Apply a light coat of engine oil to the valve lifter.
NOTE: Install the same parts in the same combination to the original locations.

(b) Install the valve lifter.
(c) Check that the valve lifter rotates smoothly by hand.
9. INSTALL SEMICIRCULAR PLUG
(a) Remove any old seal packing (FIPG) material.






(b) Apply seal packing to the semicircular plug grooves.
Seal packing:
Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent






(c) Install the 2 semi-circular plugs to the cylinder heads.

NOTE:
- Install the plugs so that it is flush with the top of the cylinder head.
- Install the semicircular plugs within 3 minutes after applying seal packing.
- Do not expose the seal to engine oil within 2 hours after installing.

10. INSTALL NO. 2 STRAIGHT SCREW PLUG (for Bank 2)
(a) Using a 14 mm hexagon wrench, install 2 new gaskets and the 2 screw plugs.
Torque: 44 Nm (448 kgf-cm, 32 ft-lbf)
11. INSTALL NO. 1 STRAIGHT SCREW PLUG (for Bank 1)
(a) Using a 14 mm hexagon wrench, install 2 new gaskets and the 2 screw plugs.
Torque: 44 Nm (448 kgf-cm, 32 ft-lbf)