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:

Wireless Communication Interface Antenna Replacement
Wireless Communication Interface Antenna Replacement Callout Component Name Preliminary Procedure Remove the communication interface module. Refer to Communication Interface Module Replacement 1 ...

Windshield Washer Nozzle Hose Replacement
Windshield Washer Nozzle Hose Replacement Callout Component Name Preliminary Procedure Remove the hood insulator. Refer to Hood Insulator Replacement. 1 Windshield Washer Nozzle Hose Procedure ...

Radiator Surge Tank Replacement
Radiator Surge Tank Replacement Callout Component Name Preliminary Procedure Drain the coolant. Refer to Cooling System Draining and Filling Remove the engine coolant air bleed hose. Refer to Engine Coolant Air Bleed ...

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