Chevrolet Sonic Repair Manual: Engine Block Disassemble
- Remove the cylinder head locating (1, 2).
- Remove the oil pressure switch (1).
- Remove the knock sensor bolt (2) and the knock sensor (1).
- Clean the thread.
- Remove the oil flow check valve (1).
- Remove the oil pressure relief valve closure bolt (1) and the oil pressure relief valve.
- Remove the piston (1) and spring (2) from the oil pressure relief valve closure bolt (3).
- Clean and inspect the components. Refer to Engine Block Cleaning and Inspection.
- Clean the thread.
- Remove the 4 piston oil nozzles (1).
Engine Block Assemble
Install the 4 piston oil nozzles (1).
Caution: Refer to Fastener Caution.
Install the 4 piston oil nozzle bolts (2) and tighten to 25 Y ...
Engine Block Cleaning and Inspection
Special Tools
EN-8087 Cylinder Gauge
For equivalent regional tools, refer to Special Tools.
Clean the sealing material from the gasket mating surfaces (2).
Clean the engine blo ...
Other materials:
Parking Brake Indicator Switch Replacement
Removal Procedure
Remove the front floor console. Refer to Front Floor Console Replacement.
Ensure that the park brake lever is in the fully released position.
Disconnect the electrical connector from the park brake warning indicator
switch.
Remove the park ...
Heater Core Outlet Tube Replacement
Heater Core Outlet Tube Replacement
Callout
Component Name
Preliminary Procedures
Remove the Heater and Air Conditioning Evaporator and Blower Module.
Refer to Heater and Air Conditioning Evaporator and Blower Module Removal
...
Oil Pan Cleaning and Inspection
Warning: Wear safety glasses when using compressed air in order
to prevent eye injury.
Caution: To ensure proper engine lubrication, clean clogged or
contaminated oil galleries in an approved solvent and with compressed air.
Failure to clean oil galleries may cause ...
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