17. Clean the sealing surfaces of the cylinder head and bearing housing, as well as hole A of the camshaft position sensor (see illustration 4.13).
18. Apply a thin coat of engine oil to the bearing journals and camshaft lobes.
19. Install the camshaft in its seat by setting the limit stop 12 and putting the gear 11 of the camshaft position sensor on the rear end of the shaft (see illustration).
4.19 Install the camshaft in its seat by setting the limit stop 12 and putting gear 11 on the rear end of the shaft
20. Pack a new camshaft oil seal with a suitable mandrel, such as a mandrel «A», whose catalog number is 0178-F (see illustration).
4.20 Stuff a new camshaft oil seal with a mandrel «A»
21. Apply layer A of SILICONE CATEGORIE 2 around the perimeter of the camshaft bearing housings (see illustration).
4.21. Apply layer A of SILICONE CATEGORIE 2 around the perimeter of the camshaft bearing housings
22. Make sure the rocker arms are properly mounted on the axles (see illustration).
4.22 Check that the rocker arms of the 4 valves are properly mounted on the axles
23. Establish the case of bearings of a camshaft on its seat.
24. Lock the crankshaft by installing a suitable thrust roller in the appropriate hole.
25. Install the key 17, hub 13 of the gear on the camshaft and fix the hub with a new nut 26, having previously installed the washer 25 (see illustration).
4.25 Install the key 17, hub 13 of the gear on the camshaft and fix the hub with a new nut 26, having previously installed the washer 25
26. Lock the camshaft by installing a suitable thrust roller «A» into the appropriate hole (see illustration 4.25).
27. Acting in a spiral, tighten the bolts of the camshaft bearing housing: bolts 8x125, 70 mm long, tighten with a force of 15 Nm, bolts 8x125, 55 mm long, with a force of 20 Nm.
28. Install a new cylinder head cover gasket and then the cylinder head cover (see illustration)
29. Tighten the cylinder head cover bolts with a force of 10 Nm, acting in a spiral, starting with the outer bolt.