Vauxhall Workshop Service and Repair Manuals

Remove charge air pipe – see operation "Charge Air Pipe, Remove and Install".

Remove lower engine compartment cover.

Open coolant drain plugs on radiator and cylinder block and drain coolant. Collect escaping coolant.

Version with AC: Remove visco-fan – see operation "Visco-fan, Remove and Install".

Remove coolant pipe (1) from timing case.

Remove coolant hose from thermostat.

Remove thermostat housing (2) from cylinder head. The thermostat is replaced together with the thermostat housing.

Insert seal (1) into thermostat housing. Insert thermostat into thermostat housing.

Note:   Insert thermostat bleeding valve (2) into the guide.

  Install

Attach thermostat housing to cylinder head – 10 Nm / 7 lbf. ft.

Connect coolant hose to thermostat.

Connect coolant pipe and new seal to timing case – tightening torque 9 Nm / 6.5 lbf. ft.