S 600 Sedan (140.057) V12-6.0L (120.982) (1996)
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Coolant hoses (1) and (2):
Detach from thermostat housing cover (3), fit on.
Electrical connector at thermostat housing (4):
Unplug, plug in.
Screws (6) and (7) in thermostat housing cover (3):
Unscrew, screw on.
M8 x 80 screws (5) in thermostat housing (4):
Unscrew, screw on (21 Nm).
Thermostat housing (4) together with housing cover (3):
Remove, install.
O-rings (8), (9) and (10):
Replace.
Coolant:
Pour in.
Cooling system:
Check for leaks.
