Chevrolet Sonic Repair Manual: Cylinder Head Installation

Chevrolet Sonic Repair Manual / Powertrain / Engine / Engine Block / Cylinder Head / 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

Install the cylinder head gasket.

Install the cylinder head.

Caution:

Refer to Fastener Caution.

Caution:

Refer to Torque-to-Yield Fastener Caution.

Note:

Note the correct tightening sequence.

Install NEW cylinder head bolts.

Tighten the bolts (1) in 5 passes. Use the EN-45059 sensor kit :

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:

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Backup Lamp Bulb Replacement Callout Component Name Preliminary Procedure Remove the tail lamp assembly. Refer to Tail Lamp Replacement. 1 Back Up Lamp Bulb Socket Procedure Rotate the back u ...

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Body Lock Pillar Upper Trim Panel Replacement Callout Component Name Preliminary Procedure Disable the SIR system. Refer to SIR Disabling and Enabling. 1 Inflatable Restraint Airbag Cover ...

Brake Pedal Travel Measurement and Inspection
Special Tools CH-28662 Brake Pedal Effort Gauge For equivalent regional tools, refer to Special Tools. With the ignition OFF and the brakes cool, apply the brakes 3–5 times, or until the brake pedal becomes firm, in order to deplete the brake booster power reserve. In ...

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