Remove/install differential pressure sensor

AR07.04-P-0025MNB

Remove/install differential pressure sensor

18.09.2018

Engine

178 in model 190

with code 598 (Gasoline particulate filter (OPF) with sensor system)

Shown on right gasoline particulate filter differential pressure sensor

1

Electrical connector

5

Pressure hoses

2

Screw

6

Screw

3

Bracket

B163/6

Right gasoline particulate filter differential pressure sensor

4

Click clamps

Shown on left gasoline particulate filter differential pressure sensor

1

Electrical connector

6

Screw

2

Screw

7

Hose clamps

3

Bracket

B163/5

Left gasoline particulate filter differential pressure sensor

5

Pressure hoses

 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

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

 

Remove/install

1

Switch off ignition and store transmitter key outside of transmitter range (min. 2 m).

2

Raise vehicle.

Only when removing the right gasoline particulate filter differential pressure sensor (B163/6).

AR00.60-P-1000RG

3

Release and disconnect electrical connector (1) from the left gasoline particulate filter differential pressure sensor (B163/5) or right gasoline particulate filter differential pressure sensor (B163/6).

4

Remove screw (2) and remove bracket (3) from the pressure hoses (5).

 M61

*BA00.10-P-1002-04A

5

Remove quick clamps (4) and remove pressure hoses (5) from the differential pressure lines.

Only when removing the right gasoline particulate filter differential pressure sensor (B163/6).

 Observe markings on pressure hoses (5) and install new quick clamps (4).

 Installation: Attach pressure hoses (5) to the differential pressure lines free of tension.

 Pliers for click clamps

*171589003700

6

Remove clamps (7) and remove pressure hoses (5) from the left gasoline particulate filter differential pressure sensor (B163/5).

Only when removing the left gasoline particulate filter differential pressure sensor (B163/5).

 Observe markings on the pressure hoses (5) and install new clamps (7).

 Installation: Attach pressure hoses (5) to the left gasoline particulate filter differential pressure sensor (B163/5) free of tension.

If the left gasoline particulate filter differential pressure sensor (B163/5) exhibits hairline cracks when loosening the clamps (7),



replace left gasoline particulate filter differential pressure sensor (B163/5).

7

Seal openings with suitable stop plug.

 Record plug

*129589009100

8

Remove screw (6) and remove left gasoline particulate filter differential pressure sensor (B163/5) and right gasoline particulate filter differential pressure sensor (B163/6).

 M61

*BA00.10-P-1002-04A

9

Install in the reverse order.

10

Read out and delete fault memory.



AD00.00-P-2000-04B

 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 leaktightness and leaktightness.

 Metric screws/bolts and nuts as per MBN 10 105, 10 143

Number

Designation

8.8

10.9

BA00.10-P-1002-04A

M61

Nm

9

13