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

...

Other materials:

Air Conditioning Evaporator Thermal Expansion Valve Replacement
Air Conditioning Evaporator Thermal Expansion Valve Replacement Callout Component Name Preliminary Procedure Recover the refrigerant. Refer to Refrigerant Recovery and Recharging. Remove the air conditioning evaporator hos ...

Engine Oil Cooler Outlet Pipe Replacement (LUW)
Engine Oil Cooler Outlet Pipe Replacement Callout Component Name Preliminary Procedure Remove the engine oil cooler pipe. Refer to Engine Oil Cooler Pipe Replacement. 1 Engine Oil Cooler Outlet P ...

Special Tools
Illustration Tool Number/Description 3-0207944 Main Shaft Tapered Bearing Insert Tool 39506289 Universal Adapter, 2.5L HST Engine 69604356 Gear Pullers ...

0.0083