Disassembly

1GR-FE ENGINE MECHANICAL: CYLINDER HEAD: DISASSEMBLY

DISASSEMBLY
HINT:
- Thoroughly clean all parts to be assembled.
- Before installing the parts, apply new engine oil to all sliding and rotating surfaces.
- Replace all gaskets, O-rings and oil seals with new parts.





1. REMOVE VALVE LIFTER
HINT: Arrange the valve lifter in the correct order.





2. REMOVE VALVE
HINT: Arrange the valves, inner compression springs, valve spring retainers and valve spring retainer locks in the correct order.

(a) Place the cylinder head on a wooden block.
(b) Using SST, compress the inner compression spring and remove the 2 valve spring retainer locks.
SST: 09202-70020
09202-00010
(c) Remove the valve, inner compression spring and valve spring retainer.





3. REMOVE VALVE SPRING SEAT
(a) Using compressed air and a magnetic finger, remove the valve spring seat by applying compressed air.





4. REMOVE VALVE STEM OIL O SEAL OR RING
(a) Using needle-nose pliers, remove the valve stem oil seal.
5. REMOVE STRAIGHT PIN NO.1
(a) Remove the 10 knock pins from bank 1 and bank 2 cylinder heads.
6. REMOVE EXHAUST MANIFOLD, RH STUD BOLT
(a) Remove the 20 stud bolts from bank 1 and bank 2 cylinder heads.





7. REMOVE UNION
(a) Remove the 2 unions from bank 1 and bank 2 cylinder heads.





8. REMOVE TIGHT PLUG
(a) Remove the 2 tight plugs from bank 1 and bank 2 cylinder heads.