Turbocharger Nut Tightening Sequence and Specification

Fig 1: Identifying Turbocharger Nut Tightening Sequence

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Tighten the nuts -1 through 5- in four steps as follows:

1. Tighten the nuts to 5 Nm.
2. Tighten the nuts to 12 Nm.
3. Tighten the nuts to 16 Nm.
4. Tighten the nuts to 25 Nm.