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:
Drivetrain and Front Suspension Frame Skid Plate Replacement
Removal Procedure
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
Remove the mounting bolts?€‰(1) for the front suspension frame skid
plate.
Remove the front suspension frame skid plate?€‰(2).
Installation Procedur ...
Body Side Trim Panel Replacement (Sedan)
Body Side Trim Panel Replacement
Callout
Component Name
Preliminary Procedures
Remove rear side door opening floor carpet retainer. Refer to Rear
Side Door Opening Floor Carpet Retainer Replacement.
Remove body rear seat ...
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 rel ...
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