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:
Front Air Deflector Replacement
Front Air Deflector Replacement
Callout
Component Name
Preliminary Procedure
Remove front bumper fascia. Refer to Front Bumper Fascia Replacement
Remove the headlamp. Refer to Headlamp Replacement.
1
...
Generator Replacement (LUV)
Removal Procedure
Disconnect the negative battery cable. Refer to Battery Negative Cable
Disconnection and Connection.
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
Remove the drive belt. Refer to Drive Belt Replacement.
Remove the drive bel ...
Crankshaft Position System Variation Learn
Note: The crankshaft position sensor system variation learn procedure
is required when the following service procedures have been performed, regardless
of whether DTC P0315 is set:
Engine replacement
Engine control module (ECM) replacement
Crankshaft damper replacement
...
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