Porsche 911 CARRERA - 2003 Manual page 210

Jacking point for front wheel change
1. Slightly loosen the wheel bolts of the wheel
to be changed.
2. Set up jack only at the points provided.
The jack foot must be in contact over its
whole area.
Use a suitable support if necessary.
3. Hold jack still and wind it up until its head
enters the jacking point on the car.
Only jack car up until the wheel to be
changed is completely off the ground.
210
Practical Tips, Emergency Service
Jacking point for rear wheel change
4. Remove top wheel bolt and screw in assem-
bly aid from the tool kit.
Remove the remaining wheel bolts.
5. Change wheel.
6. Please note chapter "Wheel bolts".
Insert four wheel bolts and tighten by hand.
Remove assembly aid, screw in remaining
bolt.
Initially tighten screws in diagonally opposite
sequence so that the wheel is centered.
Refer to "Spacer rings" and "Collapsible spare
wheel" if necessary.
Screwing in assembly aid
7. Lower car and remove jack.
8. Tighten wheel bolts in diagonally opposite
sequence.
Important note
Immediately after changing a wheel, adjust the
tire filling pressure (refer to Page 5) and use a
torque wrench to check the prescribed tighte-
ning torque of the wheel bolts (130 Nm).