Isuzu AA-6HK1T, Workshop Manual

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6A–46 ENGINE MECHANICAL
1. Remove the bridge cap and bridge.
NOTE: Keep the bridges and caps in order for
reassembly to their original positions.
2. Remove the intake cover and gasket.
Discard the gasket.
3. Remove the exhaust manifold and gasket.
Discard the gasket.
4. Remove the overheat warning switch.
5. Remove the water outlet pipe.
6. Remove the thermostat and gasket.
Discard the gasket.
7. Remove the idle gear cover.
•
Tap the outside of the cover with a screwdriver (1)
to deform one end of it and pull it free with pliers.
NOTE : Do not scratch the sealing surfaces of the
cylinder head.
8. Remove the idler gear C.
9. Remove the split collar.
1. Place the cylinder head on a flat wooden surface.
2. Use the valve spring compressor 5-8840-2621-0
to remove the split collar.
Do not allow the valves to fall from the cylinder
head.
10. Remove the spring seat, spring, valve stem seal, and
lower spring seat.
1
011EY00063
011MX017
011MX027