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:
Basecoat/Clearcoat Paint Systems
Warning: Exposure to isocyanates during paint preparation and application
processes can cause severe breathing problems. Read and follow all of the instructions
from the manufacturers of painting materials, equipment, and protective gear.
All paint finish repairs of rigid exterior sur ...
Disc Brake System Description and Operation
System Component Description
The disc brake system consists of the following components:
Disc Brake Pads
Applies mechanical output force from the hydraulic brake calipers to
friction surfaces of brake rotors.
Disc Brake Rotors
Uses mechanical output force ap ...
Manual HVAC Description and Operation
The air temperature and the air delivery description and operation are divided
into five areas:
HVAC Control Components
Air Speed
Air Delivery
Heating and A/C Operation
Recirculation Operation
HVAC Control Components
HVAC Control Assembly
The HVAC control assembly inter ...
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