Head bolt torque settings vauxhall 1998 cc frontera?

For a 1998 Vauxhall Frontera with a 2.0-liter (1998 cc) engine, the head bolt torque settings typically are around 30 Nm (22 lb-ft) for the initial stage and then 90 degrees for the final stage. It's essential to follow the manufacturer's specifications closely, as variations may exist based on engine type or modifications. Always ensure to use a calibrated torque wrench and follow a proper tightening sequence. For the most accurate information, consult the vehicle's service manual.