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:

Roof Rail Rear Assist Handle Replacement
Roof Rail Rear Assist Handle Replacement Callout Component Name 1 Roof Rail Rear Assist Handle Fastener (Qty:?€‰2) Caution: Refer to Fastener Caution. Procedure Fold the assist handle downward an ...

Battery Tray Replacement
Battery Tray Replacement Callout Component Name Preliminary Procedures Remove the battery. Refer to Battery Replacement. Unclip the engine control module (ECM) bracket from the battery tray and set aside. Unclip the ...

Evaporative Emission System Hose/Pipe Replacement
Removal Procedure Disconnect the evaporative emission pipe (1). Refer to Plastic Collar Quick Connect Fitting Service. Remove the plastic retainer (1) and disconnect the evaporative emission pipe (2). Lift and support t ...

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