Use new bolts....stage 1, tighten to 20Nm
Stage 2,tighten 100 degrees more
Stage 3, wait 3 minutes
Stage 4, Slacken bolts 1 and 2, then tighten to 20 Nm, and 100 degrees more
Stage 5, carry out the same for bolts 3,4,5,6 then
do the same for bolts 7, 8,9 and 10.
Looking at the top of the engine, the bolt numbers are:
8,4,1,5,9
7,3,2,6,10.
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