Remove/install fuel pressure and temperature sensor

AR07.04-P-0093MRM

Remove/install fuel pressure and temperature sensor

06.03.2020

Engine

274.9 in model 167

2

Electrical connector

3

Rail

4

Cable duct

B4/25

Fuel pressure and temperature 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 on safety-relevant components

AH00.00-Z-0019-01A

General information on work on gasoline direct injection system

AH07.00-P-2000-01A

 

Remove/install

1

Disconnect ground line from battery.

AR54.10-P-0003ME

2

Remove upper engine cover.



AP01.10-P-2405-01O

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

3

Remove cable duct (4).

 Screw, engine cable duct to cylinder head cover/charge-air distributor/oil separator/high-pressure pump shielding

*BA01.20-P-1010-01R

4

Release and disconnect the electrical connector (2).

5

Clean rail (3) in the area of the fuel pressure and temperature sensor (B4/25).

Assembly cleaner

*BR00.45-Z-1028-04A

6

Release fuel pressure in the fuel high-pressure circuit.

AR07.03-P-1460-02MM

 Use fuel pressure and temperature sensor instead of high-pressure line (B4/25).

7

Remove fuel pressure and temperature sensor (B4/25) and seal opening with suitable stop plug.

 Installation:
Replace fuel pressure and temperature sensor (B4/25) after every disassembly.
Leaks can occur otherwise.

 Pressure and temperature sensor to fuel distributor

*BA07.04-P-1001-01N

 Record plug

*129589009100

8

Install in the reverse order.

9

Connect vehicle diagnosis system, read out fault memory, and delete.



AD00.00-P-2000-06ME



Check

10

Check fuel high-pressure circuit for leak tightness.

AR07.03-P-1010-04MM

 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.

 Crankcase ventilation system, cylinder head cover, camshaft housing

Number

Designation

Engine 274

BA01.20-P-1010-01R

Screw, engine cable duct to cylinder head cover/charge-air distributor/oil separator/high-pressure pump shielding

Nm

8

 Sensors, transmitters

Number

Designation

Engine 274

BA07.04-P-1001-01N

Pressure and temperature sensor to fuel distributor

Nm

38

Repair materials

Number

Designation

Order number

BR00.45-Z-1028-04A

Assembly cleaner

A 000 986 56 01