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:
Safety System Check
Now and then, check that the safety belt reminder light, safety belts, buckles,
latch plates, retractors, and anchorages are all working properly. Look for any
other loose or damaged safety belt system parts that might keep a safety belt system
from doing its job. See your dealer to have it re ...
Front Seat Belt Anchor Plate Tensioner Cover Replacement (4 Way)
Front Seat Belt Anchor Plate Tensioner Cover Replacement
Callout
Component Name
1
Driver or Passenger Seat Belt Tensioner Cover
Procedure
Remove the tensioner cover by pushing downward on the rear and center
o ...
Automatic Transmission Flex Plate Replacement
Automatic Transmission Flex Plate Replacement
Callout
Component Name
Preliminary Procedure
Remove the transmission. Refer to Transmission
Replacement.
Special Tools
EN-470-B Angular Torque Wrench
EN-49979 Crank ...
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