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:
Rear Seat Back Cushion Pivot Support Replacement
Rear Seat Back Cushion Pivot Support Replacement
Callout
Component Name
Preliminary Procedure
Remove the rear seat back cushion. Refer to Rear Seat Back Cushion Removal
and Installation
1
Rear S ...
Park Brake System Description and Operation
System Component Description
The park brake system consists of the following:
Park Brake Lever Assembly
Receives, multiplies, and transfers park brake system apply input force
from driver to park brake cable system.
Releases applied park brake system when lever release ...
Heated Oxygen and Oxygen Sensor Caution
Caution: Do not remove the pigtail from either the heated oxygen sensor
(HO2S) or the oxygen sensor (O2S). Removing the pigtail or the connector will
affect sensor operation.
Handle the oxygen sensor carefully. Do not drop the HO2S. Keep the in-line
electrical connector and the louver ...
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