Remove/install differential pressure sensor

AR07.04-P-0025OLN

Remove/install differential pressure sensor

22.06.2020

Engine

654.8 in model 213, 238, 257

B28/8

Differential pressure sensor (DPF)

1

Heat shield

4

Engine cover

2

Vacuum cell

5

Screw

3

Click clamps

B28/8

Differential pressure sensor (DPF)

 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 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

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 engine cover.

AR01.10-P-2405OLC

2

Remove engine cover (4).

 Dismantling tool

*000589956300

3

Remove screw (5).

 Screw, holder for DPF differential pressure lines to exhaust manifold

*BA07.04-P-1025-02A

4

Open click clamps (3) and detach hoses from the pressure lines.

 Pliers for click clamps

*171589003700

5

Release heat shield (1).

6

Release and disconnect electrical connector from DPF differential pressure sensor (B28/8).

7

Unscrew the DPF differential pressure sensor (B28/8) screw.

 Screw, DPF differential pressure sensor to cylinder head cover

*BA07.04-P-1024-02A

8

Remove DPF differential pressure sensor (B28/8) with the heat shield (1) and pipe system upwards.

9

Install in the reverse order.



Check

10

Read out and delete fault memory.



Engine 654.8 in model 213

AD00.00-P-2000-04B



Engine 654.8 in model 238

AD00.00-P-2000-06LWO



Engine 654.8 in model 257

AD00.00-P-2000-06FR

 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

Perform engine test run. While doing so, check engine for proper operation and leak tightness.

 Sensors

Number

Designation

Engine 654

BA07.04-P-1024-02A

Screw, DPF differential pressure sensor to cylinder head cover

Nm

8

 Sensors

Number

Designation

Engine 654

BA07.04-P-1025-02A

Screw, holder for DPF differential pressure lines to exhaust manifold

Nm

8