911 Carrera Coupe F6-3164cc 3.2L (1984)
Control Arm: Technical Service Bulletins
Light Alloy Control Arms - Modified
Subject
Light Alloy Control Arms
Part Identifier 42 11/12
Applies To
911
Group
42
Key Points
Mounting hardware modified
C
Number
84-01
July 17, 1984
Light alloy control arms, used since SOP 1974, are now secured to spring plates with modified mounting hardware as follows:
-
hex nuts (item 1) for toe-in eccentric (item 4) and retaining bolts (item 3) have been replaced with self-locking type
-
lock washers (item 2) for toe-in eccentric and retaining bolt nuts are deleted
-
new retaining bolts (item 3) are 5 mm longer. Original washers (item 6) are used on both sides of control arm
-
torque of retaining bolts is increased to 120 N-m (86 ft lb)
-
torque of toe-in and camber eccentrics is increased to 85 N-m (61 ft lb)
CAUTION
Always replace self-locking nuts and lockwashers during repairs.
New mounting parts and specifications may be used for all vehicles with light alloy control arms.
Production installation of modified mounting took place Dec. 13, 1983: VIN - 91 ES 120833 Coupe 91 ES 160879 Targa 91 ES 170462 Cabrio 93 ES 050063 Turbo
Part identification and changes for modified mounting
Item No.
Description
Part No.
Quantity Usage/comments
1
self-locking nut
N 022 141 4
6
used for toe-in eccentrics and retaining bolts
2
lockwashers
-------
6
deleted at toe-in eccentrics and retaining bolts
3
retaining bolts
900 083 025 08
4
40 mm - 5 mm longer than previous bolts
4
toe-in eccentric
901 333 133 05
2
same
5
camber eccentric
901 333 133 04 2
same
washer
901 333 143 01
2
same
lockwasher
999 523 109 02
2
same
nut
900 078 017 02
2
same
6
washer
901 333 143 01
8
same
