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Home >> Audi >> 2017 >> A7 Quattro Competition >> Repair and Diagnosis >> External Pages >> Different car >> Section 115 (Turbocharger System (Service Information - 4.0L - CEUC, CRDB, CTGE, CWUB, CWUC)) >> Turbocharger, Supercharger >> Turbocharger >> Overview - Turbocharger >> Tightening Specifications

Tightening Specifications

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Fig 1: Turbocharger Tightening Sequence (1 Of 3)
GWWA21-10603Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolts in steps in the sequence shown:

Step Bolts Tightening Specification
1. -1 to 8- 16 Nm
2. -1 to 8- 25 Nm
Fig 2: Turbocharger Tightening Sequence (2 Of 3)
GWWA21-10604Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolts in steps in the sequence shown:

Step Bolts Tightening Specification
1. -1 to 8- 16 Nm
2. -1 to 8- 25 Nm
Fig 3: Turbocharger Tightening Sequence (3 Of 3)
GWWA21-10706Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolts in steps in the sequence shown:

Step Bolts Tightening Specification
1. -1 to 3- 5 Nm
2. -1 to 3- 25 Nm

4 -Turbocharger Support

GWWA24-11080Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolt -2- to 9 Nm.

GWWA21-10701Courtesy of AUDI OF AMERICA, LLC

-- Tighten the nut -arrow- to 9 Nm.