Porsche 911 GT3 R 2012 Technical Manual page 80

6.3.1.2. Toe
The toe-rod length can be set using the clamping screw.
Clamp screw
Porsche Motorsport provides a special tool to remove the trunnion pin:
997.450.349.9B
2 mm spacer
2x 4 mm spacer
The steering gear is shimmed on the two mounting points by a 3 mm
shim. It is not allowed to remove the shim.
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