Refitting the cylinder head pulley/fixed tensioner
Make sure that tab (B) is properly installed in the relevant seat of each camshaft and that tab seat (D) is in proper conditions.
Fit belt roller (4) on camshaft (5), inserting key (B) in the pulley slot (C).
Apply the recommended grease to the threads of the camshaft.
Carry out the same operations on the other camshaft.
Insert tool (A) no. 88713.1806 in the belt rollers to prevent them from rotating.
Apply the recommended grease to the mating face of the ring nut (3).
Fit the ring nut (3).
Carry out the same operations on the other camshaft.
Important
Always fit new nuts on reassembly.
Use the bush supplied with tool (D) no. 88713.1806, and a torque wrench to tighten ring nuts (3) of belt rollers (4) to 71 Nm (Min. 64 Nm - Max. 78 Nm).
Insert fixed tensioners (2), with the relevant bearings, in the head pins, apply specified threadlocker to screws (1) and
tighten them to a torque of 50 Nm (Min. 45 Nm - Max. 55 Nm).
Undo the locking screws (6) of the pulleys, by turning them counter clockwise by 90° ± 5°.
Check that the pulleys have no end float and can rotate freely at all points along the full length of the slots.