Chevrolet Sonic Repair Manual: Engine Coolant Thermostat Replacement (LUV)

Chevrolet Sonic Repair Manual / Powertrain / Engine / Engine Cooling / Thermostat / 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:

If No Steam Is Coming from the Engine Compartment
If an engine overheat warning is displayed but no steam can be seen or heard, the problem may not be too serious. Sometimes the engine can get a little too hot when the vehicle: Climbs a long hill on a hot day. Stops after high-speed driving. Idles for long periods in traffic. If the ...

Body Panel Paint Protector Replacement (VGC)
The paint protective film and vehicle surface temperature should be 13?€“32?°C (55?€“90?°F) for best results. Automatic car washes should be avoided for at least 24?€‰hours after the paint protective film application. Wipe the vehicle surface with isopropyl alcohol or fl ...

Front Bumper Fascia Center Support Bracket Replacement
Front Bumper Fascia Center Support Bracket Replacement Callout Component Name Preliminary Procedure Remove the front bumper fascia. Refer to Front Bumper Fascia Replacement. 1 Front Bumper Fascia ...

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