Number the bolts like this -
back ones - 10,6,2,3,7
front ones - 9,5,1,4,8
Thats the tightening order. Use new bolts, tighten in the following stages:
1) 25 Nm
2) plus 90 deg
3) plus 90 deg
4) plus 90 deg
5) plus 15 deg.
Hope this helps you!
John, September 2009
