82. Since December 1986, the cylinder head is bolted with a polyhedral hole in the head (55) (Togh bolts).
83. In addition, thicker washers are used (8.0mm) and the height of the cylinder liners is reduced by 0.05 mm, which gives a protrusion of the liners over the block of 0.03-0.10 mm.
83. The tightening procedure for this type of bolt is given in Specifications. Before installing the bolts, lubricate their threads and under the heads with molybdenum grease. The tightening sequence is shown in B / fig. 12.4.
85. Torx type bolts do not require re-tightening.