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:
Park Brake and P (Park) Mechanism Check
Warning
When you are doing this check, the vehicle could begin to move. You or others
could be injured and property could be damaged. Make sure there is room in front
of the vehicle in case it begins to roll. Be ready to apply the regular brake at
once should the vehicle begin to move.
Park ...
Driver Information Center (DIC)
The DIC displays information about your vehicle. It also displays warning messages
if a system problem is detected. See Vehicle Messages. All messages appear in the
DIC display in the instrument cluster.
DIC Operation and Displays
The DIC has different displays which can be accessed b ...
Cooling Fan Description and Operation (LUV)
The engine cooling fan system is composed of one cooling fan, a series of 5 relays,
the engine control module (ECM), and the associated wiring. The cooling fan assembly
includes two resistors. This combination of components enables the ECM to operate
the cooling fan at 3 speeds usi ...
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