Chevrolet Sonic Repair Manual: Engine Coolant Thermostat Housing Installation
- Clean sealing surface.
- Install a NEW engine coolant thermostat housing seal.
- Install the engine coolant thermostat housing (2).
- Install the 4 engine coolant thermostat housing bolts (3) and tighten to
2 Y (18 lb in)
.
- 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)
.
Caution:
Refer to Engine Coolant Thermostat Housing Caution.
Caution:
Refer to Fastener Caution.
Note:
Screw in the 4 bolts until the engine coolant thermostat housing is in contact with the cylinder head.
Caution:
Following the proper fastener tightening sequence and torque is essential. Failure to do so may fracture the thermostat housing.
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:
Protecting Exterior Bright Metal Moldings
Caution
Failure to clean and protect the bright metal moldings can result in a hazy
white finish or pitting. This damage would not be covered by the vehicle warranty.
The bright metal moldings on the vehicle are aluminum. To prevent damage always
follow these cleaning instructions:
Be sure ...
Tire Pressure Indicator Sensor Replacement
Removal Procedure
Raise the vehicle on a suitable support. Refer to Lifting and Jacking
the Vehicle.
Remove the tire/wheel assembly from the vehicle. Refer to Tire and Wheel
Removal and Installation.
Dismount the tire from the rim. Refer to Tire Dismounting and Mounting. ...
Water Pump Pulley Removal
Loosen the 3 water pump pulley bolts (2) while holding up the water pump
pulley hub with a wrench.
Remove the 3 water pump pulley bolts (2).
Remove the water pump pulley (1).
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