Chevrolet Sonic Repair Manual: Cylinder Head Installation
EN-45059Torque 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
- Install the cylinder head gasket.
- Install the cylinder head.
Refer to Fastener Caution.
Refer to Torque-to-Yield Fastener Caution.
Note the correct tightening sequence.
- Install NEW cylinder head bolts.
- Tighten the bolts (1) in 5 passes. Use theEN-45059sensor kit :
- First pass to25 Y (18 lb ft)
- Second pass to90°
- Third pass to90°
- Fourth pass to90°
- Fifth pass to45°
Cylinder Head DisassembleSpecial 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 RemovalLoosen 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& ...
Exhaust Camshaft Removal
Remove the camshaft bearing cap bolts in a spiral sequence as shown one turn at a time until there is no spring tension pushing on the camshaft. Note: Mind the markings on the camshaft bearing caps to ensure they will be installed in the same position. Remove the ...
What to Do with Used Oil
Used engine oil contains certain elements that can be unhealthy for your skin and could even cause cancer. Do not let used oil stay on your skin for very long. Clean your skin and nails with soap and water, or a good hand cleaner. Wash or properly dispose of clothing or rags containing used en ...
Front Hinge Pillar Body Sectioning
Removal Procedure Warning: Refer to Approved Equipment for Collision Repair Warning. Warning: Refer to Collision Sectioning Warning. Warning: Refer to Glass and Sheet Metal Handling Warning. Disable the SIR system.