Chevrolet Sonic Repair Manual: 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 head
- Straight-edge, feeler gauge
Caution:
Refer to Fastener Caution.
Caution:
Refer to Torque-to-Yield Fastener Caution.
Note:
Note the correct tightening sequence.
- First pass to 25 Y (18 lb ft)
- Second pass to 90°
- Third pass to 90°
- Fourth pass to 90°
- Fifth pass to 45°
Cylinder Head Disassemble
Special Tools
EN-840 Pliers/Remover
EN-8062 Valve Spring Compressor
EN-8062-5 Adapter
EN-50717-2 Compressor Assembly of EN-50717 Kit
For equivalent regional tools, refer to Special Tool ...
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& ...
Other materials:
Radio Antenna Base Replacement
Radio Antenna Base Replacement
Callout
Component Name
Preliminary Procedure
Lower the rear of the headlining trim panel. Refer to
Headlining Trim Panel Replacement.
1
Radio Antenna Base Fastener
...
Parking Brake Indicator Switch Replacement
Removal Procedure
Remove the front floor console. Refer to
Front Floor Console Replacement.
Ensure that the park brake lever is in the fully released
position.
Disconnect the electrical connector from the park
brake warning indicator switch.
Remove the par ...
SIR Seatbelt Pretensioner Handling Warning
Warning: When carrying an undeployed inflatable restraint seat belt
retractor pretensioner:
Do not carry the seat belt pretensioner by the seat belt webbing or
pigtail connector, if equipped.
Carry the seat belt pretensioner by the housing, keeping hands and fingers
away fro ...
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