For the Isuzu Bighorn 4JG2 engine, the torque sequence for the cylinder head nuts typically follows a specific pattern to ensure even distribution of pressure. Generally, you should start from the center and work your way outwards in a crisscross pattern. The initial tightening is done to a lower torque specification, followed by a final tightening to the specified torque value, usually around 85-95 Nm (62-70 lb-ft). Always refer to the service manual for the exact specifications and sequence as variations may exist.
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