Chevrolet Sonic Repair Manual: Cylinder Head Assemble

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

Special Tools

EN-958 Valve Stem Seal Installer
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 Tools.

Lubricate the valve stem and the valve guide with clean engine oil.

Lubricate the valve stem and the valve guide with clean engine oil.

Note:

Ensure all valve train components will be installed in their original position.

Install the valve (5).
Install the NEW valve stem oil seal (4), using the EN-958 installer (2).
Loosely install the valve spring (3) and the valve spring retainer (1).

Install the EN-50717?E assembly (1) to the EN-8062 compressor (4).
Install the EN-8062?E adapter (3) to the EN-8062 compressor .
Install the compressor assembly to the cylinder head, so that the adapter (5) of the EN-50717?E assembly (1) contacts the valve spring retainer properly and the EN-8062?E adapter (3) contacts the valve disc (2). Prefix the EN-8062 compressor (4).

Caution:

The valve stem keys must correctly seat in the valve spring cap. Engine damage may occur by not installing properly.

Apply pressure to the EN-50717?E assembly to push down the vale spring retainer (1) and compress the valve spring (3) until the valve keys (2) can be inserted. Carefully insert the valve keys then, so that they are proper installed to the valve stem grooves.
Carefully release the tension from the EN-50717?E assembly .
Inspect the valve keys and valve spring retainers for proper seat.
Remove the compressor assembly from the cylinder head.
Repeat the procedure with the remaining valves.

Cylinder Head

...

Cylinder Head Cleaning and Inspection

Valve Cleaning and Inspection Warning: Bodily injury may occur if the cleaning solvent is inhaled or exposed to the skin. Note: Do not scratch the valve ste ...

Other materials:

Liftgate Window Replacement
Special Tools BO-24402-A Glass Sealant Remover (Cold Knife) BO-39032 Stationary Glass Removal Tool Use an adhesive that is approved by GM For equivalent regional tools, refer to Special Tools Removal Procedure Warning: Refer to Cracked Window Warning. Note ...

Engine Component Description
Cylinder Block The cylinder hollow frame structured in–line 4 cylinder. The block has 5 crankshaft bearings with the thrust bearing located on the third bearing from the front of the engine. Crankshaft The crankshaft is a steel crankshaft. It is supported ...

Drive Range, Fifth Gear (Gen 2)
As vehicle speed increases, the transmission control module (TCM) processes input signals from the automatic transmission input and output speed sensors, the throttle position sensor and other vehicle sensors to determine the precise moment to command ON the normally-low 35R pressure control s ...

0.0078