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:
Rear Window Wiper Motor Grommet Replacement
Rear Window Wiper Motor Grommet Replacement
Callout
Component Name
Preliminary Procedure
Remove the rear window wiper motor. Refer to Rear Window Wiper Motor
Replacement.
1
Rear Window Wiper Mot ...
Exhaust Manifold Heat Shield Installation
Install the exhaust manifold heat shield (2).
Caution: Refer to Fastener Caution.
Install the 3 exhaust manifold heat shield bolts (1) and the washers and
tighten to 8 Y (71 lb in).
...
Heated Oxygen and Oxygen Sensor Caution
Caution: Do not remove the pigtail from either the heated oxygen sensor
(HO2S) or the oxygen sensor (O2S). Removing the pigtail or the connector will
affect sensor operation.
Handle the oxygen sensor carefully. Do not drop the HO2S. Keep the in-line
electrical connector and the louver ...
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