Replacing the head gasket and bolts on a aq151a, the Volvo manual says
20nm - 40nm then 120 degrees.
The instructions that came with the new head bolts say;
20nm-40nm-60nm,
then loosen 90 degrees,
60nm then 90 degrees.
Do they differ in specs cause of the bolts are new?
20nm - 40nm then 120 degrees.
The instructions that came with the new head bolts say;
20nm-40nm-60nm,
then loosen 90 degrees,
60nm then 90 degrees.
Do they differ in specs cause of the bolts are new?