Remove/install differential pressure sensor

AR07.04-P-0025MSC

Remove/install differential pressure sensor

07.01.2019

Engine

256.9 in model 167

1

Crash plate

2

Bracket

3

Electrical connector

4

Molded hoses

5

Clamp

6

Nuts

7

Heat shields

B163/3

Gasoline particulate filter differential pressure sensor

 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

 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/install

1

Remove upper engine cover.

AR01.10-P-2405MSC

 Installation: Do not install upper engine cover until after the leak test.

2

Remove crash plate (1).

3

Remove heat shields (7).

 Nut, heat shield to exhaust gas turbocharger

*BA09.40-P-1004-02MRT

4

Release and disconnect electrical connection (3).

5

Open clamps (5) and remove molded hoses (4) from pressure lines.


Remove the clamps (5) only from the molded hoses (4) on pressure lines.
Otherwise, the gasoline particulate filter differential pressure sensor (B163/3) will be damaged.

 Installation: Install molded hoses (4) free of tension.
Replace clamps (5).

 Pliers for click clamps

*171589003700

6

Remove gasoline particulate filter differential pressure sensor  (B163/3) together with molded hoses (4) and bracket (2).

7

Unscrew nuts (6) and remove bracket (2).

When replacing the gasoline particulate filter differential pressure sensor (B163/3).

8

Remove molded hoses (4) from gasoline particulate filter differential pressure sensor (B163/3).

When replacing the gasoline particulate filter differential pressure sensor (B163/3).

 Installation: Replace clamps.

 Pliers for click clamps

*171589003700

9

Install in the reverse order.

10

Read out and delete fault memory.



AD00.00-P-2000-06ME

 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

11

Carry out engine test run and check engine for proper operation and leak tightness.

12

Install upper engine cover.

AR01.10-P-2405MSC

 Turbocharger

Number

Designation

Engine 256.9

BA09.40-P-1004-02MRT

Nut, heat shield to exhaust gas turbocharger

Nm

8