Installing camshaft housing -GT3 · 20. Tightenthe camshafts.

911 Carrera (996) Engine, cylinder head, valve drive Installing camshaft housing -GT3 20. Tightenthe camshafts. Before the camshafts are tightened, the adjusting unit must be turned with special tool No.: 9653 as far as the right stop. Tighten the camshafts to 30 Nm (22 ftlb.), Then remove the plates from the frame of the staking tool. If the camshaft is tightened with the staking tool, there is a danger that the camshafts may be damaged. 21. Stop the exhaust camshaftwith the tool View: Cams cylinder 4 15700017 9653/1 and tighten it with a 900 turn. The camshaft must not be turned in the process. Mountthe staking tool on the other cylinder head. Check that the first or fourth cylinder 22. Stop the inlet camshaft with the tool 9653 stands at top dead centre. Set the timing with and tighten it with a 1300 turn. The camshaft the same procedure as on the other cylinder must not be turned in the process. head. & I Caution!Engine damage if timing is not23. Set the timing, .set correctly! Rotate the crankshaft of the enginethrough 7200 and check the timing setting. > 1. Engine must be at top dead centre. 23. Set the timing of cylinder bank 4 -6. > 2. The opposite cylinder must be Rotate the crankshaft of the engine 3600 at ignition TOG! further. On cylinder bank 4 -6, insert the camshafts in such a way that the cams of the fourth cylinder point outwards and diagonallyoutwards. Install camshafts analogousto cylinder bank 1 -3. 15 03 23 Installing camshaft housing -GT3 15 -159 Printed in Germany -39, 2000 99615149