944 S L4-2479cc 2.5L DOHC (1987)
Note: Always remember to place an 1 mm thick washer on the cylinder-head face before installing the valve stem seal.
1.
Lubricate valve stem and install shaft. Place an 1 mm thick washer on cylinder-head face. Push drift over valve stem. Lubricate sealing lip of valve
stem seal and position on drift. Using Special Tool 9225/1, carefully and gently push seal as far as it will go onto valve guide.
2.
The valve stem seal is correctly seated when Special Tool 9225/1 and washer make contact.
Note: The assembly drifts are available as spare parts.