Remove/install air intake pipe

AR09.10-P-8131MRD

Remove/install air intake pipe

13.03.2018

Engine

274.9 in model 213

Engine

274.9 in model 238

Shown on ENGINE 274.910 in MODEL 213

2

Subharness

3

Clip

4

Air intake pipe

5

Clip

 Warning

Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.

Wear protective gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

 Warning

Risk of injury due to fan starting unexpectedly

Do not reach into the rotation or hazard area of the fan. Wear closed and close-fitting work clothes.

AS20.40-Z-0001-01A

 Caution

Risk of injury caused by scraping or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.

AS00.00-Z-0017-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A



Remove

1

Remove upper engine cover

2

Remove engine air intake duct upstream of air filter

3

Detach partial load throttle bleed line from air intake pipe (4)

4

Release and disconnect electrical connection for wide open throttle vent line heater element

5.1

Detach wide open throttle vent line from wide open throttle vent line heater element

Engine 274.9 in model 213
except code 494 (US version)
except code 945 (China Stage 6 exhaust treatment)
Engine 274.9 in model 238
except code 945 (China Stage 6 exhaust treatment)

AR01.20-P-0020MRD

5.2

Remove wide open throttle bleed line with oil separator

Engine 274.9 in model 213
with code 494 (US version)
Engine 274.9 in model 213
with code 945 (China Stage 6 exhaust treatment)

AR01.20-P-0002MRX

 The wide open throttle vent line, the oil separator and the air intake pipe (4) are firmly connected together and can only be removed together.

6

Unclip subharness (2) at air intake pipe (4)

7

Release clamps (3, 5) and detach air intake pipe (4)

8

Remove compensation ring between air intake pipe (4) and exhaust gas turbocharger from exhaust gas turbocharger



Install

9

Install new compensating ring in the fitting of the air intake pipe (4) and wet with lubricant

Lubricant

*BR00.45-Z-1032-06A

10

Position air intake pipe (4)

11

Tighten clamps (3, 5)

12

Clip subharness (2) into air intake pipe (4)

13.1

Push wide open throttle vent line onto wide open throttle vent line heater element

Engine 274.9 in model 213
except code 494 (US version)
except code 945 (China Stage 6 exhaust treatment)
Engine 274.9 in model 238
except code 945 (China Stage 6 exhaust treatment)

AR01.20-P-0020MRD

13.2

Install wide open throttle bleed line with oil separator

Engine 274.9 in model 213
with code 494 (US version)
Engine 274.9 in model 213
with code 945 (China Stage 6 exhaust treatment)

AR01.20-P-0002MRX

14

Connect electrical connector of wide-open-throttle bleed line heating element

15

Push partial load vent line onto air intake pipe (4)

16

Install engine air intake duct upstream of air filter

 Warning

Risk of burn injuries, suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust.

Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area.

AS49.00-Z-0001-01A

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

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

AS00.00-Z-0005-01A

17

Perform an engine test run and check engine for proper operation and leaktightness

18

Install upper engine cover

Repair materials

Number

Designation

Order number

BR00.45-Z-1032-06A

Lubricant

A 000 989 08 60