Changing The Selector Barrel - Porsche 911 GT3 Cup 2008 Technical Handbook

Changing the selector barrel:

To remove the locking pawl neutral latch and alignment pawl,
unscrew the selector barrel and lock.
Raise the selector barrel.
Attention: When removing the barrel, make sure that the
locking pawls, springs etc do not fall out.
Attention: When replacing the selector barrel, the position
of the barrel track must be fitted in exactly same position.
Place the old selector barrel, with spacer washers, on the special
base plate. The barrel must sit correctly on the bearing spacer
ring.
Determine the dimension of the old selector barrel between the
rd th
3 /4 track.
Set the new selector barrel in position and determine the
dimension as above.
Calculate the spacers required, place in the new selector barrel
and check the dimension.
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