Withdrawal
1. Remove the motor and place it on a suitable support or mounting stand (see relevant chapter).
2. Remove the camshaft drive chains (see relevant chapter).
3. Unscrew the bolts (see arrows in illustration) and remove the camshaft positioner valve.
6.3. Unscrew the bolts (see arrows) and remove the camshaft positioner valve
4. Unscrew bolts of fastening of covers 1, EZ, E5, AZ and A5 of bearings of camshafts and remove covers (see illustration).
6.4. Unscrew the bolts securing the covers 1, EZ, E5, AZ and A5 of the camshaft bearings
5. Remove the oil separator (see arrow in illustration 6.4).
6. Unscrew the bolts securing the covers E2, E4, A2 and A4 of the camshaft bearings in a cross order and remove the covers (see illustration 6.4).
7. Carefully remove the intake and exhaust camshafts.
Installation
Installation of camshafts is made in sequence, return to removal.
8. Before installing the camshaft bearing caps, turn the crankshaft in the direction of engine rotation so that the splines on the ends of the camshafts are in a horizontal position (see arrows in illustration). Lock the crankshaft in the TDC position of the piston of cylinder No. 1.
6.8. Before installing the camshaft bearing caps, turn the crankshaft in the direction of engine rotation so that the splines on the ends of the camshafts are in a horizontal position (see arrows)
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