2005 Nissan Pulsar

Engine Cooling problem
2005 Nissan Pulsar 4 cyl Two Wheel Drive Automatic 89000 miles

Vehicle will idle ok. When driven it overheats. Radiator flushed, water pump and thermostat have been repleaced. Mechanic convinced it is an airlock. Pressure testing shows all ok, no leaks or cracks.

Issue seems to be refilling the cooling system without causing an airlock.

Does this sound correct? Any suggestions on how this should be done?
March 11, 2009.

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