Chevrolet Sonic Repair Manual: Engine Coolant Thermostat Replacement (LUV)
- Removal Procedure
-
- Drain the cooling system. Refer to Cooling System Draining and Filling.
- Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.
- Remove the engine coolant temperature sensor connector (1).
- Disconnect the radiator outlet hose connector (2) from the engine coolant thermostat and reposition. Refer to Radiator Outlet Hose Connector Replacement- Engine Side.
- Remove the water inlet pipe mounting fasteners (1).
- Remove the water inlet seal (3) and discard.
- Remove the thermostat (4).
- Installation Procedure
-
- Clean the sealing surface.
- Install the engine thermostat (4) into the water inlet pipe (2) with a NEW seal (3).
- Tighten the water inlet pipe mounting fasteners (1) to 9 Y (80 lb in)
.
- Install the radiator outlet hose connector (2) to the engine coolant thermostat. Refer to Radiator Outlet Hose Connector Replacement- Engine Side.
- Connect the engine coolant temperature sensor connector (1).
- Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.
- Fill the cooling system. Refer to Cooling System Draining and Filling.
- After repairs, inspect cooling system for leaks.
Engine Coolant Thermostat Removal
Caution: Refer to Engine Coolant Thermostat Housing Caution.
Remove the 4 engine coolant thermostat bolts (3).
Remove the engine coolant thermostat assembly ...
Engine Coolant Thermostat Replacement (LUW)
Removal Procedure
Warning: Refer to Battery Disconnect Warning.
Disconnect the battery negative cable. Refer to Battery Negative Cable
Disconnection and Connection.
D ...
Other materials:
Rear Side Door Weatherstrip Replacement - Body Side
Rear Side Door Weatherstrip Replacement - Body Side
Callout
Component Name
Preliminary Procedures
Remove the upper center pillar trim. Refer to Center Pillar Upper
Trim Panel Replacement.
Remove the lower center pillar tr ...
Cooling System Draining and Filling
Draining Procedure
Warning: To avoid being burned, do not remove the radiator
cap or surge tank cap while the engine is hot. The cooling system will
release scalding fluid and steam under pressure if radiator cap or surge
tank cap is removed while the engine and radi ...
Fuel Feed Pipe Replacement
Removal Procedure
.-
Remove the fuel feed pressure sensor. Refer to Fuel Pressure Sensor
Replacement - Fuel Feed Pipe.
Disconnect the fuel feed pipe (1). Refer to Plastic Collar Quick Connect
Fitting Service.
Remove the plastic retainer (1) ...
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