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:

Parking Brake Cable Replacement (Disc Brake)
Removal Procedure Remove the front floor console. Refer to Front Floor Console Replacement. Ensure that the parking brake lever is in the fully released position. Using ONLY HAND TOOLS, remove the adjusting nut (1) from the end of the front park brake c ...

Intake Air Pressure and Temperature Sensor Replacement
Intake Air Pressure and Temperature Sensor Replacement Callout Component Name Preliminary Procedure Remove the left front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement. 1 Intake ...

Intake Manifold Installation
Clean the sealing surfaces. Install the intake manifold (1) along with a NEW intake manifold gasket. Caution: Refer to Fastener Caution. Install the 6 intake manifold bolts (1) and tighten to  20 Y (15 lb ft). ...

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