Remove/install exhaust pressure sensor

AR07.04-S-0040PS

Remove/install exhaust pressure sensor

04.02.2019

Engine

642 in model 470, 471

1

Exhaust pressure sensor

2

Electrical connector

 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 injury. Skin or eye injuries may result when handling hot or glowing objects.

Wear protective gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

 Caution

Risk of injury caused by scraping or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.

AS00.00-Z-0017-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

 

Remove/install

1

Remove upper engine cover.

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

2

Disconnect electrical connection (2).

3

Remove exhaust pressure sensor (1).

 Seal connections.

 Installation: Coat thread of exhaust pressure sensor (1) with heat-resistant lubricating paste.

 Exhaust pressure sensor to exhaust gas recirculation valve

*BA07.04-N-1004-02PS

Paste, hot lubrication 1 kg, DBL 6879.20

*BR00.45-Z-1005-06A

 Record plug

*129589009100

4

Install in the reverse order.

5

Read out and delete fault memory using vehicle diagnosis system.

If exhaust pressure sensor (1) is replaced.



Connect/disconnect diagnostic unit

AD00.00-S-2000-06P

 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

6

Perform engine test run and check exhaust pressure sensor (1) for leaks.

 Sensors

Number

Designation

Engine 642 in model 470, 471

BA07.04-N-1004-02PS

Exhaust pressure sensor to exhaust gas recirculation valve

Nm

45

Repair materials

Number

Designation

Order number

BR00.45-Z-1005-06A

Paste, hot lubrication 1 kg, DBL 6879.20

A 000 989 76 51