Porsche 911 Manual page 247

Changing a wheel
Fig. 218: Screw in one assembly aid on vehicles without
PCCB
Fig. 219: Screw in two assembly aids on vehicles with PCCB
1. For vehicles without PCCB: Remove one wheel
bolt and screw in one assembly aid.
– or –
1. For vehicles with PCCB: Remove two wheel bolts
and screw in two assembly aids A and B.
NOTICE
The brake discs can become damaged in the case of
improper wheel change, especially in vehicles with
PCCB.
e Screw in assembly aids when changing a wheel.
2. Remove the remaining wheel bolts.
> Please refer to chapter "Caring for wheel
bolts" on page 244.
3. Remove the wheel.
> Please refer to chapter "Caring for wheel at-
tachment faces" on page 244.
4. Fit a new wheel.
5. Insert wheel bolts and tighten slightly in diago-
nally opposite sequence.
6. Remove assembly aids and screw in remaining
wheel bolts. Initially tighten wheel bolts only
slightly in diagonally opposite sequence so that
the wheel is centred.
7. Inflate the tyre if necessary.
8. Lower the vehicle fully and remove the jack.
9. Tighten the wheel bolts in diagonally opposite
sequence. Do not use any force-activated tools
such as impact screwdrivers.
10.Immediately after changing a wheel, use a tor-
que wrench to check the prescribed tightening
torque of the wheel bolts (160 Nm/118 ftlb.).
11.The settings for Tyre Pressure Monitoring (TPM)
are updated.
Tyres and Wheels
> Please refer to chapter "Configuring Tyre
Pressure Monitoring (TPM) in the PCM" on
page 239.
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
245