Remove/install low-pressure fuel pressure sensor

AR07.04-P-2000MFF

Remove/install low-pressure fuel pressure sensor

06.03.2020

Engine

654 in model 118, 177, 247

Modification notes

28.11.2019

Document completely revised.

1

Electrical connector

4

Screw

2

Low pressure pipe

5

Heat shield

3

Screw

B4/7

Fuel pressure sensor

 Danger

Risk of explosion caused by fuel igniting. Risk of injury to skin and eyes caused by fuel spraying out at high pressure

Keep all ignition sources out of hazard area.
Do not carry out any work on system when it is pressurized.

AS07.16-Z-0001-01A

 Danger

Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contactwith fuel.

No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only.
Wear protective clothing when handling fuel.

AS47.00-Z-0001-01A

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

Notes about Common-Rail components

AH07.16-P-0002-01TX

 

Remove/install

1

Remove the throttle valve actuator.

AR07.70-P-0005MFF

 Installation: Only install upper engine cover after the leak test.

2

Loosen screw (3).

 M61

*BA00.10-P-1002-04A

3

Remove screw (4) and place heat shield (5) to one side.

 Screw, heat shield to fuel line

*BA07.16-P-1010-04A

4

Clean area around the fuel pressure sensor (B4/7).

Assembly cleaner

*BR00.45-Z-1028-04A

5

Release and disconnect the electrical connector (1).

6

Remove fuel pressure sensor (B4/7).

 Installation: Install new fuel pressure sensor (B4/7).

 Fuel pressure sensor to connection fitting/fuel line

*BA07.04-P-1010-02A

7

Seal opening at connection fitting using a suitable stop plug.

 Record plug

*129589009100

8

Install in the reverse order.

9

Read out and delete fault memory.



AD00.00-P-2000-06MFA

 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

10

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

11

Install upper engine cover.

AR01.10-P-2405MFF

 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

 Sensors

Number

Designation

Engine 654

BA07.04-P-1010-02A

Fuel pressure sensor to connection fitting/fuel line

Nm

14

 Common rail diesel injection system

Number

Designation

Engine 654

BA07.16-P-1010-04A

Screw, heat shield to fuel line

Nm

8

Repair materials

Number

Designation

Order number

BR00.45-Z-1028-04A

Assembly cleaner

A 000 986 56 01