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

AR07.04-P-0008OLD

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

04.09.2018

Engine

651 in model 205, 253

1

Electrical connector

B50

Fuel temperature sensor

2

Sealing rings

 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

Notes about Common-Rail components

AH07.16-P-0002-01TX

 

Remove/install

1

Remove rear and center section of lower engine compartment paneling

AR61.20-P-1105LW

2

Detach electrical wiring harness at guide tube of the oil dipstick

3

Disconnect electrical connection (1)

4

Clean high-pressure pump in the area of fuel temperature sensor (B50) with cold cleaning solvent and dry with compressed air

 Suction off paint and dirt particles if necessary.

Cold degreasing agent/cold cleaning solvent HAKU 1025-920

*BR00.45-Z-1051-04A

5

Remove fuel temperature sensor (B50)

 Catch escaping fuel with lint-free rags.

 Fuel temperature sensor to high-pressure pump

*BA07.04-P-1001-01L

6

Replace sealing rings (2)

For reinstallation of the fuel temperature sensor (B50).

 Installation: Vacuum up any paint and dirt particles, particularly from out of the hole for the fuel temperature sensor (B50).

7

Install in the reverse order

 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

Check fuel system for leaks with engine running

 Transmitters, pick-ups, sensors

Number

Designation

Engine 651

BA07.04-P-1001-01L

Fuel temperature sensor to high-pressure pump

Nm

15

Repair materials

Number

Designation

Order number

BR00.45-Z-1051-04A

Cold degreasing agent/cold cleaning solvent HAKU 1025-920

Chemische Werke Kluthe GmbH
Gottlieb-Daimler-Str. 12
69115 Heidelberg
Germany
Tel. +49 6221 5301-0
Fax +49 6221 5301-176
http://kluthe.com