Volt

Cylinder Head Disassemble

Special Tools

For equivalent regional tools, refer to Special Tools .

1. Install the cylinder head (1) to EN-6215-1 mounting table (2) in compound with EN-6215-5 sidewise support (3). Fix the cylinder head with the appropriate short bolts.



2. Install EN-6215-4 handle (1) to EN-6215-1 mounting table.
3. Turn the cylinder head 180°.
4. Rework the spark plug threads.



5. Install 4 EN-6167-1 brace (1) and fix with EN-6167-5 bolts (2) in order to support the valves.



6. Solve the valve spring retainers with an easy hammer hit. Use a rubber mallet (1) and EN-6171 release tool (2).



7. Install EN-6086-7 lever arm (2) to the handle (1).
8. Install EN-6086-11 demounting piece (4) in compound with EN-6086-1 adapter (3) to the lever.

Note: The demounting piece must be applied parallel to the valve spring retainers in order to prevent damage to the tools or the valve train components.

9. Press down the valve springs and the upper valve spring retainers until the valve keys are discharged from spring load. Remove the valve keys.

Note: Mind the installation position of valve springs, valve spring retainers and valve keys

10. Remove valve springs and valve spring retainers and place to EN-849 assembly tray to ensure they will be installed in their original position.



11. Remove the valve stem oil seals (2). Use EN-840 pliers (1).
12. Remove EN-6167-5 bolts and EN-6167-1 brace.




Note: Mind the installation position of the valves.

13. Remove the valves and place to EN-849 assembly tray (1) to ensure they will be installed in their original position.