Turbocharger and Coolant Return Pipe
Turbocharger Component Overview
Turbocharger and Coolant Return Pipe
1 Gasket
• Always replace
2 Nut
• Tightening sequence, refer to => [ Turbocharger Nut Tightening Sequence
and Specification ].
• Always replace
• Lubricate the studs of the exhaust manifold with hot bolt paste; for the hot bolt paste refer to the Parts Catalog.
3 Bolt
• 20 Nm + 45 degrees (1/8) additional turn.
4 Seal
• Always replace
5 Coolant Return Pipe
6 Bolt
• 9 Nm
7 Turbocharger
• Can only be replaced with the exhaust manifold and pressure unit.
• Removing and installing, refer to => [ Turbocharger ] Turbocharger.
8 Bracket
9 Bolt
• 30 Nm
• Lubricate the bolt with hot bolt paste; for the hot bolt paste refer to the Parts Catalog.
10 Bolt
• 30 Nm
• Lubricate the bolt with hot bolt paste; for the hot bolt paste refer to the Parts Catalog.
11 Nut
• 30 Nm
• Always replace
• Do not loosen to remove the turbocharger.
• Lubricate the studs of the exhaust manifold with hot bolt paste; for the hot bolt paste, refer to the Parts Catalog.
12 Fastening Strip
Turbocharger Nut Tightening Sequence and Specification
- Tighten the nuts - 1 through 5 - in 4 passes 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.