2NZ-FE ENGINE MECHANICAL CYLINDER HEAD DISASSEMBLY

PROCEDURE

Hide Display 11117A 1.REMOVE NO. 1 WITH HEAD TAPER SCREW PLUG

Using a 10 mm socket hexagon wrench, remove the No. 1 with head taper screw plug and gasket from the cylinder head sub-assembly.

Hide Display 13751 2.REMOVE VALVE LIFTER

Remove the 16 valve lifters from the cylinder head sub-assembly.

HINT:: Keep the valve lifters in the correct order so that they can be returned to their original locations when reassembled.

Hide Display 15678A 3.REMOVE OIL CONTROL VALVE FILTER

Using an 8 mm socket hexagon wrench, remove the No. 2 with head taper screw plug and gasket from the cylinder head sub-assembly.

Remove the oil control valve filter from the cylinder head sub-assembly.

Hide Display 13711 4.REMOVE INTAKE VALVE

Place the cylinder head sub-assembly on wooden blocks.

1.958,0.771 2.208,0.354 2.208,0.354 2.375,0.354 false 2.438,0.26 2.896,0.458 0.458,0.198 10 false SST

Using SST, compress the valve spring and remove the valve spring retainer lock.

Remove the valve spring retainer, valve spring and intake valve from the cylinder head sub-assembly.

Hide Display 13715 5.REMOVE EXHAUST VALVE

Place the cylinder head sub-assembly on wooden blocks.

0.51,0.552 0.896,0.552 false 0.198,0.469 0.656,0.667 0.458,0.198 10 false SST

Using SST, compress the valve spring and remove the valve spring retainer lock.

Remove the valve spring retainer, valve spring and exhaust valve from the cylinder head sub-assembly.

Hide Display 13711A 6.REMOVE VALVE STEM OIL SEAL

Using needle-nose pliers, remove the 16 valve stem oil seals.

Hide Display 13734 7.REMOVE VALVE SPRING SEAT

Using compressed air and a Magnet Hand, remove the 16 valve spring seats from the cylinder head sub-assembly by blowing air onto them.