Chevrolet Sonic Repair Manual: Engine Coolant Thermostat Replacement (LUW)
- Removal Procedure
-
- Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.
- Drain the coolant. Refer to Cooling System Draining and Filling.
- Disconnect the engine wiring harness connector (1) and retainers (2).
- Remove the wiring harness bracket nut (3) and bracket (4).
- If equipped, disconnect the thermostat heating element sensor (1) and remove the radiator inlet hose (2).
- Remove the thermostat housing retaining bolts (1).
- Remove the thermostat (1) and discard the seal (2).
Warning:
Refer to Battery Disconnect Warning.
- Installation Procedure
-
- Fit the thermostat (1) to the thermostat housing using a NEW seal (2).
- Install the thermostat (2) and tighten the thermostat bolts (1) to
10 Y (89 lb in)
.
- Install the radiator inlet hose (2) and connect the thermostat heating element sensor (1).
- Install the wiring harness bracket (4) and tighten the nut (3) to
10 Y (89 lb in)
.
- Connect the engine harness connector (1) and harness retainers (2) to the bracket.
- Refill the engine cooling system. Refer to Cooling System Draining and Filling.
- Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.
- Start the engine and check for coolant leaks.
Caution:
Refer to Fastener Caution.
Engine Coolant Thermostat Replacement (LUV)
Removal Procedure
Drain the cooling system. Refer to Cooling System Draining and Filling.
Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct
Replacement.
...
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 thermosta ...
Other materials:
Special Tools
Illustration
Tool Number/Description
EL 46079
Tire Pressure Monitor Diagnostic Tool
el50448oec-t5
EL 50448
Tire Pressure Monitor Sensor Activation Tool
...
Exhaust Rear Muffler Heat Shield Replacement
Exhaust Rear Muffler Heat Shield Replacement
Callout
Component Name
Preliminary Procedure
Disconnect the exhaust system hangers in the rear and allow the exhaust
system to rest on the rear axle.
1
...
Automatic Transmission Flex Plate Removal
Special Tools
EN-652 Automatic Transmission Flex Plate Holder
For equivalent regional tools, refer to Special Tools.
Install the EN-652 holder (1) to hold the automatic
transmission flex plate (2).
Loosen the 6 automatic transmission flex plate bolts.
Re ...
0.0094