Chevrolet Sonic Repair Manual: Cylinder Head Removal
- Loosen the 12 cylinder head bolts in the sequence as shown. Use the following procedure:
- Loosen the cylinder head bolts 90 degrees.
- Loosen the cylinder head bolts 180 degrees.
- Remove the 12 cylinder head bolts (1).
- Remove the cylinder head (2).
- Remove the cylinder head gasket (3).
Note:
Do not damage the guide sleeves (4) and (5).
Cylinder Head Installation
Special Tools
EN-45059 Torque Angle Sensor Kit
For equivalent regional tools, refer to Special Tools.
Clean the sealing surfaces.
Inspect for plane surface.
Cylinder block, cylinder h ...
Cylinder Head Replacement
Special Tools
BO-38185 Hose Clamp Pliers
EN-45059 Angle Meter
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Disconnect the negative battery cable. Re ...
Other materials:
Front Fog Lamp Replacement
Front Fog Lamp Replacement
Callout
Component Name
Preliminary Procedure
Remove either the right front or left front wheelhouse liner. Refer
to Front Wheelhouse Liner Replacement.
Disconnect the electrical connector from t ...
Fuel and Evaporative Emission Pipe Warning
Warning: In order to reduce the risk of fire and personal injury observe
the following items:
Replace all nylon fuel pipes that are nicked, scratched or damaged during
installation, do not attempt to repair the sections of the nylon fuel pipes
Do not hammer directly on the fu ...
Oil Pressure Relief Valve Replacement
Removal Procedure
Remove the oil pan. Refer to Oil Pan Replacement.
Remove the oil pressure relief valve closure bolt (1).
Remove the oil pressure relief valve assembly (2).
Separate the piston (3) and the spring (4).
Warning: Bod ...
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