Exhaust Manifold
Turbocharger Nut Tightening Sequence and Specification
Tighten the nuts - 1 through 5 - in 4 passes as follows:
First pass, tighten the nuts to 5 Nm.
Second pass, tighten the nuts to 12 Nm.
Third pass, tighten the nuts to 16 Nm.
Final pass, tighten the nuts to 25 Nm.