Remove, Disconnect
Disconnect wiring harness plugs for temperature switches I (1) and II (2). To be able to remove temperature switch II, temperature switch I must first be removed.
Unscrew temperature switch I from radiator. Collect escaping coolant. Unscrew temperature switch II (3) from radiator.
Install, Connect
Screw temperature switch II with new seal ring into radiator - 20 Nm / 15 lbf. ft. Screw temperature switch I with new seal ring into radiator - 20 Nm / 15 lbf. ft.
Connect wiring harness plugs for both temperature switches.
Top up and bleed cooling system - see corresponding operation. Ensure that anti-freeze is adequate down to -30 ° C / -22 ° F.