Porsche 924 Workshop Manual page 92

924
E n g i n e
I
C y I i n d e r H e a d, V a I v e s
15
Pull off valve stem seals.
Install valve stem seals.
Place plastic sleeve (A) on valve stem. Lubricate
valve stem seal (B). Push seal carefully onto valve
guide with a mandrel.
Caution
Valve stem seals must always be replaced.
Do not install seal without using plastic sleeve as
valve stem seals will be damaged and cause excessive
engine oil consumption.
Plastic sleeve A is included in valve stem seal
replacement kit.
Printed in Germany · X, 1982
Pull off valve stem seals with Special tool 3047.
Replacing Valve Stem Seals
15. 15