Disassemble
Preliminary work for disassembling cylinder head1. Remove engine.
2. Remove transmission.
3. Remove cylinder head.
Disassembling cylinder head
ATTENTION: Damage due to ingress of dirt
^ Oil bores/oil ducts can become blocked up.
^ When working on the engine, absolute cleanliness is essential.
^ Lay removed engine parts on a clean base and cover them without fail.
^ Use the cover for dust protection when fitting the engine NR.165 on the engine assembly support.
The following tool is used and recommended for the described work: commercially available tool Valve keys assembly/disassembly tool for Boxster + Carrera NR.54 (Sauer Co., Art. No. for standard case 600 50 00).
Component overview of cylinder head
Note: Reusable inner parts of the cylinder head must always be cleaned thoroughly and assigned to their original installation location.
1. Remove spark plugs, if not already done.
2. Screw in the three valve locating screws -arrows- in the spark plug threads.
Note: Put the screw clamps for fixing the cylinder head only on the aluminum supports, under no circumstances on the sealing surface.
3. Align aluminum supports on the cylinder head with fastening screws. Fix cylinder head to the workbench with screw clamps . Slide on assembly shaft with the joint to the aluminum supports and fasten them.
4. Screw lever arm on joint and the disassembly head on the lever arm.
5. Place disassembly head on upper valve-spring plate and press together the valve springs with the lever arm. The valve keys and the concave washer stick due to the magnetic insert on the disassembly head. Repeat this process by moving the joint at the required valves.
6. Using the VW special tool puller 3364 pull off the valve-stem seal.
7. Check valve springs, valves, valve guides, and valve seats for damage.
8. Thoroughly clean cylinder head and all parts before assembling. Carry out repairs approved by PAG, if necessary.