Cylinder Head Disassemble
WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
Special Tools
- EN-840 Pliers/Remover
- EN-8062 Valve Spring Compressor
- EN-8062-5 Adapter
- EN-50717-2 Compressor Assembly of EN-50717 Kit
Equivalent regional tools:Special Tools
Install the EN-50717-2 assembly (1) to the EN-8062 compressor (4).
- Install the EN-8062-5 adapter (3) to the EN-8062 compressor.
- Install the compressor assembly to the cylinder head, so that the adapter (5) of the EN-50717-2 assembly (1) contacts the valve spring retainer properly and the EN-8062-5 adapter (3) contacts the valve disc (2). Prefix the EN-8062 compressor (4).
- WARNING:
Valve springs can be tightly compressed. Use care when removing the retainers and plugs. Personal injury could result.
Apply pressure to the EN-50717-2 assembly to push down the vale spring retainer (1) and compress the valve spring (3) until the valve keys (2) are free from tension. Carefully remove the valve keys.
Slowly and carefully loosen the EN-50717-2 assembly until the valve spring is entirely expanded.
- Remove the compressor assembly from the cylinder head.
- Remove the valve spring retainer (1) and the valve spring (3).
- Remove and DISCARD the valve stem oil seal (4), using the EN-840 pliers (2).
- Remove the valve (5).
- Repeat the procedure with the remaining valves.
- In case of re-using the cylinder head, refer to Cylinder Head Cleaning and Inspection .
NOTE:
Ensure that the valve train components are kept together and identified in order for proper installation in their original position.