ar0940d6029se

Remove/install oil return line of the first stage turbocharger

Type ar · topic 09.40 · version 0100 · 2007-11-26

Applies to: ENGINES 646.986 in MODEL 906

Where it sits

Function group 1 Engine › 09 Air intake, turbocharging › 09.40 Turbocharger — Series 646 (models 986) · Series 906

EinPAS 15 Engine › 15.20 Engine lubrication system › 15.20.13 Line/hose/valve — Series 646 (models 986) · Series 906

AR09.40-D-6029SE

Remove/install oil return line of the first stage turbocharger

13.11.07

ENGINES 646.986 in MODEL 906

Remove/install oil return line of the first stage turbocharger

D09.40-0078-09

1 Turbocharger with exhaust manifold

2 Screw

5 Air intake hose

3 Oil return line

4 Rubber seal

Remove/install

1

Remove air intake hose (5) downstream of the air filter

AR09.10-D-8030-01SD

2

Seal connection fittings of the turbocharger with exhaust manifold (1)

3

Lift/jack up vehicle

AR00.60-D-1000H

4

Remove bolts (2) of the oil return line (3) at the turbocharger with exhaust manifold (1)

Installation: Replace seal and ensure the correct installation position of the seal. The lug of the gasket must point toward the oil return line (3).

*BA09.40-N-1002-01O

5

Turn oil return line (3) to the side and pull it out of the crankcase

Installation: Clean sealing surfaces and ensure the correct seating of the oil return line (3).

6

Remove rubber seal (4)

Installation: Install new rubber seal (4).

7

Install in the reverse order

8

Check engine oil level, correct if necessary

The engine oil level must not be above the maximum mark. This can lead to engine damage.

Low SPAsh multigrade service engine oils (specification 228.51)

Sheet 228.51

BB00.40-P-0228-51A

Multigrade service engine oil Low SPAsh

Sheet 229.31

BB00.40-P-0229-31A

Danger!

Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running

Secure vehicle to prevent it from moving by itself.
Wear closed and snug-fitting work clothes.
Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

9

Carry out engine test run and check engine for leaks around the oil return line (3)

Turbocharger

Number

Designation

Engine
646.986
in model 906

BA09.40-N-1002-01O

Bolt, oil drain line to turbocharger

Nm

8

Referenced documents