Oil Return Tube Sealing Ring - Modified

89porsche04

Technical Bulletin


Subject: Modified Oil Return Tube

Sealing Ring

Model Group

911 Carrera 4
1
911 /Turbo

Part Identifier Number

1545 8908


The material of the oil return tube seal has been changed.
From production date: November 17, 1988

Engine Number:
64 K 03054 - Carrera 68 K 00659 - Turbo 62 K 00204 - Carrera 4

New seal ring: PN 999 707 112 40

New oil tube service kit: PN 930 107 040 01

Only the new seal, green color, should be installed when repairing engines. When using oil tube service kits or engine gasket kits containing red colored seals, obtain and use green seals.

Page 1 of 1 April 7, 1989