Porsche 911 GT3 Cup 2008 Technical Handbook page 34

Set the new selector barrel in position and determine the
dimension as above.
Calculate the spacers required, place in the new selector
and check the dimension.
Replacing the selector barrel alignment pawl.
When replacing the selector barrel alignment pawl bolt it
be secured with Loctite 243.
Locking pawl neutral latch replacement
When replacing the locking pawl neutral latch bolt it must be
secured with Loctite 243.
Adjustment of the gear recognition potentiometer
Connect the laptop to the vehicle, switch on the ignition and
the MODAS programme. Select the "Warm up mode".
th
Select 6 gear. Turn the wheels to make sure that 6
correctly engaged.
The value in the display must read 3.85 Volt.
To adjust the value, rotate the potentiometer till the correct
appears in the window.
The display must show 6
th
th
gear.
gear
29
barrel
must
start
is
figure