Reassembly
1GR-FE ENGINE MECHANICAL: CYLINDER HEAD: REASSEMBLY
REASSEMBLY
1. INSTALL RING PIN
(a) Using a plastic-faced hammer, tap in new ring pins to the specified protrusion height.
Specified protrusion height:
2.7 to 3.3 mm (0.106 to 0.130 in.)
2. INSTALL STRAIGHT PIN
(a) Using a plastic-faced hammer, tap in new straight pins to the specified protrusion height.
Specified protrusion height:
3. INSTALL STUD BOLT
(a) Using "Torx" socket wrench E5 and E7, install the stud bolts.
Stud bolt A - Torque: 4.0 Nm (41 kgf-cm, 35 in-lbf)
Stud bolt B - Torque: 9.0 Nm (92 kgf-cm, 80 in-lbf)
Stud bolt C - Torque: 4.0 Nm (41 kgf-cm, 35 in-lbf)
4. INSTALL UNION
(a) Apply adhesive to 2 or 3 threads of the bolt end.
Adhesive:
Toyota Genuine Adhesive 1324, Three Bond 1324 or the equivalent
(b) Using a deep socket wrench 12, install the unions.
Torque: 15 Nm (150 kgf-cm, 11 ft-lbf)
5. INSTALL TIGHT PLUG
(a) Apply adhesive around the new tight plugs.
(b) Using SST, tap in the tight plugs to the specified depth.
SST: 09950-60010
09951-00250
SST: 09950-70010
09951-07150
Specified depth:
1.5 mm (0.059 in.)
6. INSTALL WITH HEAD STRAIGHT SCREW PLUG
(a) Using a straight hexagon wrench 14, install a new gasket and straight screw plug.
Torque: 80 Nm (816 kgf-cm, 59 ft-lbf)
7. INSTALL VALVE STEM OIL O SEAL OR RING
HINT: The intake valve stem oil seal is light brown and the exhaust valve stem oil seal is gray.
(a) Apply a light coat of engine oil to the valve guide bush.
(b) Using SST, push in a new valve stem oil seal.
SST: 09201-41020
8. INSTALL VALVE SPRING SEAT
9. INSTALL VALVE
(a) Apply engine oil to the valve as shown in the illustration.
(b) Place the cylinder head on a wooden block.
(c) Install the valve, inner compression spring and valve spring retainer.
(d) Using SST, compress the inner compression spring and place the 2 valve spring retainer locks around the valve stem.
SST: 09202-70020
09202-00010
(e) Using a pin punch 5, lightly tap the valve stem tip to ensure a proper fit.
NOTE: Be careful not to damage the valve stem tip.
10. INSTALL VALVE LIFTER
(a) Apply engine oil to the valve stem end and valve lifter, and install the valve lifter onto the valve stem.
(b) Check that the valve lifter rotates smoothly by hand.