Hi, first post here.. boat with a AQ151A in it,
Replacing the head gasket and bolts, the Volvo manual says
1: 20nm
2: 40nm
3: 120 degrees.
The instructions that came with the new head bolts say;
1: 20nm
2: 40nm
3: 60nm,
4: loosen 90 degrees,
5: 60nm
6: 90 degrees.
Do they differ in...