Remove/install high-pressure pump's fuel temperature sensor

AR07.04-P-0008OLI

Remove/install high-pressure pump's fuel temperature sensor

06.03.2020

Engine

654 in model 205, 253

Engine

656 in model 253

Shown on engine 654

5

Electrical connector

6

Connection fitting

B50

Fuel temperature sensor

 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

Disconnect the ground line for the on-board electrical system battery(G1).

AR54.10-P-0003LW

2

Remove charge air cooler.

Engine 656 in model 253

AR09.41-P-6817OIF

Engine 654 in model 205, 253

AR09.41-P-6817OLI

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



Clean

3

Clean environment of the fuel temperature sensor(B50).

Assembly cleaner

*BR00.45-Z-1028-04A

4

Release and disconnect the electrical connector (5).

5

Counterhold connection fitting (6) and remove fuel temperature sensor(B50).

Note on calculation of tightening torque when using insertion or socket tools with various effective lengths

AH00.00-P-0015-01CW

 Use rags to catch escaping fuel.

 Fuel temperature sensor to connection fitting/fuel line

*BA07.04-P-1009-02A

 Tool kit

*000589109900

6

Install in the reverse order.

Concluding tasks

7

Connect vehicle diagnosis system, read out fault memory and clear if necessary.



AD00.00-P-2000-04B

 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 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

8

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

9

Install upper engine cover.



Engine 656 in model 253

AP01.10-P-2405-01L

Engine 654 in model 205, 253

AR01.10-P-2405OLI

 Sensors

Number

Designation

Engine 654

Engine 656

BA07.04-P-1009-02A

Fuel temperature sensor to connection fitting/fuel line

Nm

20

20

Repair materials

Number

Designation

Order number

BR00.45-Z-1028-04A

Assembly cleaner

A 000 986 56 01