Dissemble
DISASSEMBLY OF CYLINDER HEAD
1. REMOVE NO.1 AIR INJECTION MANIFOLD
Remove the bolt, four nuts, No.1 air injection manifold and two gaskets.
2. REMOVE INTAKE MANIFOLD WITH DELIVERY PIPE AND INJECTION NOZZLE
(a) Remove the two nuts and read valve.
(b) Remove the bolt the heater inlet pipe from the cylinder head.
(c) Remove the seven bolts, one hexagon bolt, two nuts and No.1 air pipe.
(d) Remove the intake manifold together with the delivery pipe, injection nozzles and heater water inlet pipe.
3. REMOVE EGR VALVE
4. REMOVE EXHAUST MANIFOLD WITH NO.2 AIR INJECTION MANIFOLD
5. REMOVE TWO ENGINE HANGERS AND GROUND STRAP
6. REMOVE CYLINDER HEAD REAR COVER
7. MEASURE CAMSHAFT THRUST CLEARANCE
Using a dial gauge, measure the camshaft thrust clearance.
Standard clearance: 0.08 - 0.18 mm (0.0031 - 0.0071 in.)
Maximum clearance: 0.25 mm (0.0098 in.)
If clearance is greater than maximum, replace the head.
8. REMOVE CAM BEARING CAPS AND SHAFT
9. REMOVE VALVES
(a) Using SST, compress the valve retainer until the two keepers can be removed. SST 09202-43013
(b) Remove the valve keepers, retainers, springs and valves.
(c) Remove the valve seals.
(d) Using a small screwdriver or magnet, remove the valve spring seats.
HINT: Keep the valves arranged so they can be installed in the same order as removed.