Porsche 911 GT3 R Technical Manual page 30

4. Push the new crankshaft seal -1- onto the crankshaft flange (mounting
position: steel disc to pulley)
5. Push the press tool (see 1) onto the crankshaft flange and fit the
hexagon-head bolt -3- (17 mm AF)
6. Tighten the hexagon-head nut -4- till the spacer -2- touches the
crankshaft flange
7. Leave the tool fitted for approximately two minutes so that the seal
seats correctly
8. Loosen the hexagon-head bolt -4-, remove the hexagon-head bolt and
tool
9. Remove the protective cap
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