Checking Tire Pressure With A Pressure Gage - Porsche 911 Turbo Owner's Manual

Screw in two assembly aids for vehicles with Porsche
Ceramic Composite Brake
10.Take the wheel off and put a new wheel on.
Please see the chapter "WHEEL BOLTS" on
Page 245.
11.Insert wheel bolts and tighten by hand.
12.Remove assembly aids, screw in remaining
wheel bolts.
Initially tighten bolts only slightly in diagonally
opposite sequence so that the wheel is
centred.
13.Inflate the tire if necessary.
Please see the chapter "TIRE PRESSURES FOR
COLD TIRES (68 °F / 20 °C)" on Page 292.
14.Lower the car fully and remove the jack.
15.Tighten wheel bolts in diagonally opposite
sequence.
f Immediately after changing a wheel, use
a torque wrench to check the prescribed
tightening torque (96 ftlb./130 Nm).
Note on operation for vehicles with
Tire Pressure Monitoring
f On vehicles with Tire Pressure Monitoring, the
settings on the on-board computer must be
updated after the wheel change.
f Please see the chapter "TPM TIRE PRESSURE
MONITORING" on Page 145.
Checking tire pressure with a
pressure gage
1. Remove the valve stem cap from the tire.
2. Press the pressure gage onto the valve stem.
Note on operation
f Do not press too hard or force the valve stem
sideways, or air will escape.
If the sound of air escaping from the tire is
heard, reposition the pressure gage.
3. Read the tire pressure on the gage stem and
compare it to the permissble tire pressure.
This information can be found on the tire pres-
sure plate or in the chapter Technical Data.
Please see the chapter "TIRE PRESSURES FOR
COLD TIRES (68 °F / 20 °C)" on Page 292.
4. Remove the pressure gage.
f Please see the chapter "TPM TIRE PRESSURE
MONITORING" on Page 145.
Practical Tips, Emergency Service
247