Remove/install AdBlue(R) pressure sensor

AR49.20-P-1070OID

Remove/install AdBlue(R) pressure sensor

03.07.2019

Model

167 with engine 654, 656

with code U79 (BLUETEC (SCR) diesel exhaust treatment, generation 3)

Example illustration

3

Cover

4

Bolts

6

Pressure sensor

7

Bolts

 Danger

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.

AS00.00-Z-0010-01A

 Warning

Risk of burn injuries and scalding when working at AdBlue lines and the components attached to them. Risk of injury to skin and eyes when handling AdBlue. Risk of poisoning caused by swallowing AdBlue

Pour AdBlue into suitable containers only. Wait until the pressure is released before starting any work on the exhaust aftertreatment system.

AS14.40-Z-0001-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

Notes on use, material properties and handling of AdBlue®

AH14.40-N-0001-01A

 

Remove/install

1

Remove cover of the AdBlue® container.

2

Remove screws (4) and remove cap (3).

 Installation: Replace molded seal.

 Model 167 with engine 656
with code U79 (BLUETEC (SCR) diesel exhaust treatment, generation 3)Bolt, cover to preheater

*BA14.40-P-1008-02F

 Model 167 with engine 654
with code U79 (BLUETEC (SCR) diesel exhaust treatment, generation 3)Bolt, cover to preheater

*BA14.40-P-1009-02E

3

Remove bolts_(7).

 Model 167 with engine 656
with code U79 (BLUETEC (SCR) diesel exhaust treatment, generation 3)Bolt, pressure sensor to preheater

*BA14.40-P-1007-02F

 Model 167 with engine 654
with code U79 (BLUETEC (SCR) diesel exhaust treatment, generation 3)Bolt, pressure sensor to preheater

*BA14.40-P-1008-02E

4

Pull out pressure sensor (6) on the preheater and capture escaping AdBlue® with a suitable container.

 Installation: Apply lubricant with a new sealing ring.

Lubricant, rubber assembly 1 l

*BR00.45-Z-1010-06A

5

Seal openings with suitable stop plug.

 Record plug

*129589009100

6

Install in the reverse order.

7

Read out and delete fault memory.



AD00.00-P-2000-06ME

 Exhaust aftertreatment

Number

Designation

Engine 656 in model 167

BA14.40-P-1007-02F

Bolt, pressure sensor to preheater

Nm

2

 Exhaust aftertreatment

Number

Designation

Engine 654 in model 167

BA14.40-P-1008-02E

Bolt, pressure sensor to preheater

Nm

2

 Exhaust aftertreatment

Number

Designation

Engine 656 in model 167

BA14.40-P-1008-02F

Bolt, cover to preheater

Nm

2

 Exhaust aftertreatment

Number

Designation

Engine 654 in model 167

BA14.40-P-1009-02E

Bolt, cover to preheater

Nm

2

Repair materials

Number

Designation

Order number

BR00.45-Z-1010-06A

Lubricant, rubber assembly 1 l

A 000 989 03 67