911 Turbo Coupe F6-3299cc 3.3L SOHC Turbo (1988)
Reverse Idler Gear: Technical Service Bulletins
Reverse Idler Shaft - Modified
Group
3
Number
8901
Model
911 Turbo
Part Identifier
3557
January 20, 1989
Subject:
Reverse Idler Shaft Update
Model Year 1989 with G50/50 Transmission
A modified reverse gear idler shaft was installed from transmission numbers:
G50/50 1K 0575
G50/50 2K 1113 (limited slip differential)
When repairing reverse gears before the above mentioned transmission numbers the following parts should be installed:
Reverse idler shaft:
PN 950 302 228 03 (arrow 1)
1 thrust washer:
PN 950 302 297 10 (arrow 2)
2 thrust washers:
PN 950 302 297 12 (arrows 3)
The early version idler shaft PN 950 302 228 02 must no longer be used.