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:
Evaporative Emission System Hose/Pipe Replacement
Special Tools
CH-807 Closure Plugs
CH-6015 Closure Plugs
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Warning: Refer to Gasoline/Gasoline Vapors Warning.
Disconnect the battery negative cable. Refer to Battery Negative Cable
Disconnec ...
Special Tools
Illustration
Tool Number/ Description
EL?€‰38826
J?€‰38826
KM?€‰799-3
SIR Deployment Harness
EL?€‰39401-B
J?€‰39401-B
SIR Deployment Fixture
...
Electrical Power Management Description and Operation
Electrical Power Management
The electrical power management is used to monitor and control the charging
system and alert the driver of possible problems within the charging system.
The electrical power management system makes the most efficient use of the generator
output, improves ...