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:
Brake Pipe Replacement
Special Tools
CH-45405 Brake Pipe Flaring Kit
For equivalent regional tools, refer to Special Tools.
Warning: Refer to Brake Fluid Irritant Warning.
Warning: Always use double walled steel brake pipe when replacing
brake pipes. The use of any other pipe is not recomm ...
Throttle Body Heater Outlet Pipe Replacement (LUW)
Throttle Body Heater Outlet Pipe Replacement
Callout
Component Name
Preliminary Procedure
Drain the cooling system. Refer to Cooling System Draining and Filling.
1
Engine Coolant Air Bleed Hose
...
Crankshaft Rear Oil Seal Replacement
Special Tools
EN-658 Rear Main Seal Installer
For equivalent regional tools, refer to Special Tools.
Removal Procedure
If equipped with automatic transmission, remove the flex plate. Refer
to Automatic Transmission Flex Plate Replacement.
If equipped with a manual transmis ...
0.0071