Chevrolet Sonic Repair Manual: Engine Coolant Thermostat Housing Installation

Chevrolet Sonic Repair Manual / Powertrain / Engine / Engine Cooling / Thermostat / 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 thermostat housing (2).

Caution:

Refer to Fastener Caution.

Note:

Screw in the 4 bolts until the engine coolant thermostat housing is in contact with the cylinder head.

Install the 4 engine coolant thermostat housing bolts (3) and tighten to 2 Y (18 lb in)
.

Caution:

Following the proper fastener tightening sequence and torque is essential. Failure to do so may fracture the thermostat housing.

Tighten the 4 engine coolant thermostat housing bolts to 8 Y (71 lb in)
in sequence (1?E?E?E).

Install the engine coolant thermostat housing retainer (1).
Install the engine coolant thermostat housing retainer nut (4) and tighten to 6 Y (53 lb in)
.

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 ...

Radiator

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Other materials:

Hood
To open the hood: 1. Pull the hood release handle inside the vehicle. It is located on the lower left side of the instrument panel. 2. Go to the front of the vehicle and move the secondary hood release lever toward the right side of the vehicle. 3. Lift the hood and release the hood pro ...

Positive Crankcase Ventilation Pipe Removal
Open the 2 positive crankcase ventilation pipe retainer clips (2) and (3). Note: Move retainer clamp (1) in direction of the arrow. Remove the positive crankcase ventilation pipe from the intake manifold. Loosen the charger air bypass val ...

Transmission Rear Mount Bracket Replacement
Removal Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the front suspension skid plate, if equipped. Refer to Drivetrain and Front Suspension Frame Skid Plate Replacement. Using a suitable jack stand, support the rear of the ...

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