Remove/install exhaust gas recirculation (AGR) differential pressure sensor

AR14.20-S-2000EA

Remove/install exhaust gas recirculation (AGR) differential pressure sensor

12.06.2019

Engine

654.9 in model 447

1

EGR differential pressure sensor

2

Electrical connector

3

Screw

4

Molded hoses

5

Clamps

6

Pressure lines

 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

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

 

Remove/install

1

Remove engine air intake duct downstream of air filter.

AR09.10-S-8130EA

2

Remove screw (3) .

 Bolt, differential pressure sensor to air intake duct

*BA07.04-N-1008-02EA

3

Release and disconnect the electrical connector (2).

4

Open clamps (5), remove molded hoses (4) from the pressure lines (6), and remove exhaust gas recirculation differential pressure sensor (1).


When reusing the exhaust gas recirculation differential pressure sensor (1), the molded hoses (4) must not be removed from the exhaust gas recirculation differential pressure sensor (1).
Otherwise, crack formation will occur on the exhaust gas recirculation differential pressure sensor (1).

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

 Pliers for click clamps

*171589003700

5

Remove molded hoses (4) from the exhaust gas recirculation differential pressure sensor (1).

When installing a new exhaust gas recirculation differential pressure sensor (1).

 Installation: Check molded hoses (4).

If damage is identifiable



replace molded hoses (4).

 Pliers for click clamps

*171589003700

6

Install in the reverse order.

7

Read out and delete fault memory.



AD00.00-S-2000-04E

 Sensors

Number

Designation

Engine 654.9 in model 447

BA07.04-N-1008-02EA

Bolt, differential pressure sensor to air intake duct

Nm

8