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:
Brakes
If the overheat warning no longer displays, the vehicle can be driven. Continue
to drive the vehicle slowly for about 10 minutes. Keep a safe vehicle distance from
the vehicle in front. If the warning does not come back on, continue to drive normally
and have the cooling system checked for pro ...
Brake Assist System Description and Operation
System Component Description
The brake assist system consists of the following:
Brake Pedal
Receives, multiplies and transfers brake system input force from driver.
Brake Pedal Pushrod
Transfers multiplied input force received from the brake pedal to the
v ...
Tire Pressure Indicator Sensor Replacement
Removal Procedure
Raise the vehicle on a suitable support. Refer to Lifting and Jacking
the Vehicle.
Remove the tire/wheel assembly from the vehicle. Refer to Tire and Wheel
Removal and Installation.
Dismount the tire from the rim. Refer to Tire Dismounting and Mounting. ...
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