Overview - Turbocharger - Part III

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Fig 1: Turbocharger Overview Part III

Courtesy of AUDI OF AMERICA, LLC

Seal
- Replace
Nut
- Replace
- Tightening sequence. Refer to Fig 2
- Coat the exhaust manifold stud bolts with hot bolt paste. For hot bolt paste.
Bolt
- 35 Nm
Seal
- Replace
Coolant Supply Line
Bolt
- 9 Nm
Turbocharger
- Can only be replaced with exhaust manifold and vacuum diaphragm.
- Removing and installing. Refer to TURBOCHARGER, REMOVING AND INSTALLING .
Bolt
- 30 Nm
Bracket
Support
Bolt
- 30 Nm
Bolt
- 30 Nm
- Coat the bolt with hot bolt paste; hot bolt paste.
Nut
- 30 Nm
- Replace
- Do not open when removing turbocharger
- Coat the exhaust manifold stud bolts with hot bolt paste. For hot bolt paste.
Clamping Strip

Fig 2: Identifying Exhaust Manifold/Turbocharger Nuts Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

-- 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.