GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Opel
🢒
2009
🢒
GT
🢒
Diagnostic Navigation
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Vehicle Diagnostic Information
🢒 Engine Coolant Thermostat Replacement
Removal Procedure
Drain the cooling system. Refer to
Cooling System Draining and Filling
.
Remove the air inlet grille panel. Refer to
Air Inlet Grille Panel Replacement
.
Reposition the radiator outlet hose clamp (1) at the thermostat housing.
Remove the radiator outlet hose from the thermostat housing.
Remove the thermostat housing cover bolts and cover.
Remove the thermostat.
Remove and discard the thermostat housing O-ring seal.
Installation Procedure
Install a NEW thermostat housing cover O-ring seal onto the housing.
Install the thermostat.
Caution:
Refer to
Fastener Caution
in the Preface section.
Install the thermostat housing cover and bolts and tighten to
10 N·m (89 lb in)
.
Install the radiator outlet hose to the thermostat housing.
Reposition the radiator outlet hose clamp (1) at the thermostat housing.
Install the air inlet grille panel. Refer to
Air Inlet Grille Panel Replacement
.
Fill the cooling system. Refer to
Cooling System Draining and Filling
.