Chevrolet Sonic Repair Manual: 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.
- 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).
- 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.
Note:
Ensure all valve train components will be installed in their original position.
Caution:
The valve stem keys must correctly seat in the valve spring cap. Engine damage may occur by not installing properly.
Cylinder Head
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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:
Steering Linkage Outer Tie Rod Inspection
Special Tools
GE-8001 Dial Indicator Set
For equivalent regional tools, refer to Special Tools.
Note: This inspection procedure does not supersede local government
required inspections that have more stringent requirements.
Inspect the outer tie rod seal. If the outer tie rod ...
Front Wheel Bearing and Hub Replacement
Special Tools
CH-50559 Wheel Hub/Bearing Remover Kit
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
Remove the steering knuckle assembly from the vehicle. Refer to Steering
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