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:

Special Tools
Illustration Tool Number/Description EL–50334–20 Multi-Media Interface Tester (MIT) EL–50334–50 USB Cable and Adapter Kit EL-48028 Digital Radio Test ...

Headlining Trim Panel Replacement (Hatchback without Sunroof)
Headlining Trim Panel Replacement Callout Component Name Warning: Do not attempt to repair or alter the head impact energy-absorbing material glued to the headliner or to the garnish trims. If the material is damaged ...

Air Conditioning (A/C) Refrigerant Pressure Sensor Replacement (LDE/LUW/LWE)
l. Air Conditioning (A/C) Refrigerant Pressure Sensor Replacement Callout Component Name 1 Air Conditioning Refrigerant Pressure Sensor Caution: Refer to Fastener Caution. Procedure Disconnect the air ...

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