Chevrolet Sonic manuals

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

Chevrolet Sonic Repair Manual / Powertrain / Engine / Engine Cooling / Thermostat / Engine Coolant Thermostat Replacement (LUW)

Removal Procedure

    Warning:

    Refer to Battery Disconnect Warning.

  1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Drain the coolant. Refer to Cooling System Draining and Filling.


  3. Disconnect the engine wiring harness connector (1) and retainers (2).

  4. Remove the wiring harness bracket nut (3) and bracket (4).

  5. If equipped, disconnect the thermostat heating element sensor (1) and remove the radiator inlet hose (2).

  6. Remove the thermostat housing retaining bolts (1).

  7. Remove the thermostat (1) and discard the seal (2).
Installation Procedure

    Fit the thermostat (1) to the thermostat housing using a NEW seal (2).
  1. Fit the thermostat (1) to the thermostat housing using a NEW seal (2).

  2. Caution:

    Refer to Fastener Caution.

  3. Install the thermostat (2) and tighten the thermostat bolts (1) to 10 Y (89 lb in)

    .



  4. Install the radiator inlet hose (2) and connect the thermostat heating element sensor (1).

  5. Install the wiring harness bracket (4) and tighten the nut (3) to 10 Y (89 lb in)

    .



  6. Connect the engine harness connector (1) and harness retainers (2) to the bracket.
  7. Refill the engine cooling system. Refer to Cooling System Draining and Filling.
  8. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.
  9. Start the engine and check for coolant leaks.
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. ...

Engine Coolant Thermostat Housing Installation
Caution: Refer to Engine Coolant Thermostat Housing Caution. Clean sealing surface. Install a NEW engine coolant thermostat housing seal. Install the engine coolant thermosta ...

Other materials:

Steering Wheel Controls
Some audio steering wheel controls could differ depending on the vehicle's options. Some audio controls can be adjusted at the steering wheel. / (Push to Talk): For vehicles with Bluetooth or OnStar, press to interact with those systems. See Bluetooth (Voice Recognition)  or Bluet ...

Airbag Steering Wheel Module Coil Centering
Note: If a double wire harness strap is installed onto the wire harness assembly and steering column, the original holder for the wire strap(s) MUST be reused during installation. Remove the wire harness strap(s) where necessary. Caution: The new SIR coil assembly will ...

Steering Angle Sensor Replacement
Steering Angle Sensor Replacement Callout Component Name Preliminary Procedure Remove the steering wheel airbag coil. Refer to Steering Wheel Airbag Coil Replacement. 1 Steering Angle Sensor ...

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