Vauxhall Astra GTC Owner's Manual page 187

186 Vehicle care
2. Install the wheel wrench ensuring
that it locates securely and loosen
each wheel nut by half a turn.
3. Ensure the jack is correctly
positioned under the relevant
vehicle jacking point. On versions
with sill panelling: firstly pull out
the cover on the sill panelling at
the respective jacking point.
4. Set the jack to the necessary
height. Position it directly below
the jacking point in a manner that
prevents it from slipping.
Attach jack handle and with the
jack correctly aligned rotate
handle until wheel is clear of the
ground.
5. Unscrew the wheel nuts.
6. Change the wheel. Spare wheel
3 187.
7. Screw on the wheel nuts.
8. Lower vehicle. On versions with
sill panelling install the cover at
the jacking point.
9. Install the wheel wrench ensuring
that it locates securely and tighten
each nut in a crosswise
sequence. Tightening torque is
140 Nm.