ar0120p0002mt

Replace full-load crankcase ventilation system

Type ar · topic 01.20 · version 0107 · 2017-11-07

Applies to: Engine 270 in model 117, 156, 176, 242, 246.2 except code 494 (US version)

Where it sits

Function group 1 Engine › 01 Complete engine, crankcase ventilation, cylinder head, crankcase › 01.20 Crankcase ventilation, cylinder head cover — Series 117 · Series 156 · Series 176 · Series 242 · Series 246 (models 2**)

EinPAS 15 Engine › 15.15 Combustion engine, complete/engine housing/crank assembly › 15.15.31 Crankcase/oil separator/ventilation — Series 117 · Series 156 · Series 176 · Series 242 · Series 246 (models 2**)

Also applies to engines/gearboxes: 270 ***

AR01.20-P-0002MT

Replace full-load crankcase ventilation system

07.11.2017

Engine

270 in model 117, 156, 176, 242, 246.2

except code 494 (US version)

Replace full-load crankcase ventilation system

P01.20-2281-08

1

Wide open throttle bleed line

4

Vent valve

7

Connection piece

2

Air intake pipe

5

Intake manifold

8

Predetermined fracture point

3

Purge line

6

Oil separator

Remove/install

1

Remove engine cover

2

Detach wide open throttle bleed line (1) at air intake pipe (2)

3

Unclip purge line (3) at vent valve (4) for wide open throttle bleed line (1)

4

Detach vent valve (4) for wide open throttle bleed line (1) at intake manifold (5)

5

Unclip wide open throttle bleed line (1) at air intake pipe (2), engine aeration line and intake manifold (5)

6

Remove engine compartment paneling

AR61.20-P-1105NKB

7

Detach right front wheel

AP40.10-P-4050AK

8

Detach front axle level sensor on front axle carrier

Engine 270 in model 117, 156, 176, 242, 246.2
with code 614 (Bi-xenon headlamps)
except code 494 (US version)
Engine 270 in model 117, 156, 176, 242, 246.2
with code 615 (Bi-xenon headlamps with active light function)
except code 494 (US version)
Engine 270 in model 117, 156, 176, 242, 246.2
with code 618 (Bi-xenon headlamps)
except code 494 (US version)
Engine 270 in model 117, 156, 176, 242, 246.2
with code 621 (Intelligent Light System (left-hand traffic))
except code 494 (US version)
Engine 270 in model 117, 156, 176, 242, 246.2
with code 622 (Intelligent Light System)
except code 494 (US version)

Engine 270 in model 117, 156, 176, 242, 246.2
up to model year 2015
with code 614 (Bi-xenon headlamps)
except code 494 (US version)
Engine 270 in model 117, 156, 176, 242, 246.2
up to model year 2015
with code 615 (Bi-xenon headlamps with active light function)
except code 494 (US version)
Engine 270 in model 117, 156, 176, 242, 246.2
up to model year 2015
with code 618 (Bi-xenon headlamps)
except code 494 (US version)
Engine 270 in model 117, 156, 176, 242, 246.2
up to model year 2015
with code 621 (Intelligent Light System (left-hand traffic))
except code 494 (US version)
Engine 270 in model 117, 156, 176, 242, 246.2
up to model year 2015
with code 622 (Intelligent Light System)
except code 494 (US version)

AR82.10-P-4083NKB

9

Cut open and remove heat-shrinkable tube of connection piece (7)

10

Split and remove connection piece (7) with a suitable tool at the predetermined fracture point (8)

Installation: The connection piece (7) and the sealing rings must replaced.

11

Detach wide open throttle bleed line (1) at oil separator (6)

12

Install in the reverse order

Referenced documents