Porsche 911 Manual page 246

Tyres and Wheels
Caring for wheel attachment faces
A
B
C
D
E
F
G
H
I
J
K
L
M
Fig. 216: Wheel attachment faces
N
NOTICE
O
P
Risk of damage to the wheel and wheel attachment
face.
Q
e The wheel attachment face B on the brake disc
R
and on the wheel hub itself must not be greased.
e Only the areas A may be greased. Grease these
S
areas very thinly with Optimoly
T
Porsche partner. Do not use any other grease or
paste.
U
V
Caring for wheel bolts
W
e Always clean the wheel bolts before fitting.
e Wheel bolts must not be greased.
X
e Replace damaged wheel bolts. Only use genuine
Y
Porsche wheel bolts assigned especially to this
Z
model, or wheel bolts of similar quality which
244
have been manufactured according to Porsche
specifications and production requirements.
e Tighten wheel bolts to a tightening torque of
160 Nm (118 ftlb.).
e Do not use any force-activated tools such as
impact screwdrivers.
Using security wheel bolts
Fig. 217: Adapter for security wheel bolts
The adapter for the security wheel bolts is located in
the tool kit.
TA: Contact your
®
e To loosen and tighten the wheel bolt with an-
titheft protection, the adapter must be used be-
tween the wheel bolt and the wheel bolt wrench.
e When positioning the adapter ensure that it en-
gages fully in the teeth of the wheel bolt.
Changing a wheel
Preparing the vehicle
1. Activate the transmission parking lock using the
P button.
2. Activate the electric parking brake.
3. Switch off ignition.
4. Secure the vehicle to prevent it from rolling
away, e.g. by placing wheel chocks at the wheels
on the opposite side.
5. Slightly loosen the wheel bolts or wheel nuts on
the wheel to be changed.
6. Lift the vehicle only at the specified jacking
points.
> Please refer to chapter "Jack and Lifting
Platform" on page 128.
7. Raise the vehicle until the wheel lifts off the
ground.