Vauxhall Workshop Service and Repair Manuals

Coolant Temperature Sensor, Remove and Install  

  Remove, Disconnect   

Remove lower coolant hose from radiator. Collect escaping coolant.   Remove air cleaner housing and air intake hose - see illustration "Air Cleaner Housing, Air Flow Guide (16 LZ2)" or illustration "Air Cleaner Housing, Air Flow Guide (20 NEJ)".   Remove torque support bracket (1).   Disconnect wiring harness plug (2) from coolant temperature sensor. Remove coolant temperature sensor from thermostat housing.     Install, Connect    Install coolant temperature sensor with new gasket in thermostat housing - tightening torque 11 Nm / 9 lbf. ft.   Connect wiring harness plug to coolant temperature sensor.

  Install, Connect   

Install reaction member bracket. Fastening bolts (1) and (2) - tightening torque 60 Nm / 44 lbf. ft.   Notice:  Before assembling components of the intake system (hoses, connections, etc.), they must be cleaned of any possible contamination (grease, oil, etc.). When tightening the hose clamps, be sure to observe exactly the tightening torque of 3.5 Nm / 2.6 lbf. ft.     Important!    It is only ensured that the intake system is free of leaks, thus ensuring operational safety of the engine, if the hose clamps are tightened correctly to the prescribed tightening torque.     Install, Connect    Install air cleaner housing and air intake hose - see illustration "Air Cleaner Housing, Air Flow Guide (16 LZ2)" or "Air Cleaner Housing, Air Flow Guide (20 NEJ)".   Install lower coolant hose on radiator.   Top up cooling system - see operations "Cooling System, Top up and Bleed" and "Cooling System, Check for Leaks".