ar1440p2038cda

Remove/install NOx sensor with controller unit

Type ar · emne 14.40 · version 0100 · 2015-10-09

Gælder for: Engine 651 in model 172 with code U77 (Diesel Emission control BLUETEC (SCR))

Ikke tilgængelig på “da”; vises på Engelsk.

Placering

Funktionsgruppe 1 Motor › 14 Udstødningsmanifold, motorbremse, udstødningsrenseanlæg › 14.40 Efterbehandling af udstødningsgas, AdBlue — Serie 172 · Serie 651

EinPAS 15 Motor › 15.40 Udstødningssystem/udstødningsefterbehandling › 15.40.11 Styreenhed/relæ — Serie 172 · Serie 651

EinPAS 15 Motor › 15.40 Udstødningssystem/udstødningsefterbehandling › 15.40.12 Sensor/kontakt/ledningssæt — Serie 172 · Serie 651

AR14.40-P-2038CDA

Remove/install NOx sensor with controller unit

29.09.2015

Engine

651 in model 172

with code U77 (Diesel Emission control BLUETEC (SCR))

Remove/install NOx sensor with controller unit

1a

NOx sensor

1b

NOx sensor control unit

1c

Electrical line

1d

Electrical connection

3

Nuts

4

Bracket

P14.40-2586-06

Remove/install NOx sensor with controller unit

2a

NOx sensor

2b

NOx sensor control unit

2c

Electrical line

2d

Electrical connection

3

Nuts

4

Bracket

P14.40-2587-06

Danger !

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

Remove/install

1

Remove bottom rear engine compartment paneling

AR94.30-P-5300W

2

Detach complete right front wheel

For removal of NOx sensor control unit downstream of diesel particulate filter (1a).

AP40.10-P-4050V

3

Remove wheel well paneling at the front right

For removal of NOx sensor control unit downstream of diesel particulate filter (1a).

4

Remove left underfloor paneling

For removal of NOx sensor downstream of SCR catalytic converter (2a).

AR61.30-P-1001W

5

Detach electrical connection (1d or 2d)

6

Unclip electrical line (1c or. 2c) from brackets (4)

7

Remove NOx sensors (1a or 2a) from exhaust pipe

NOx sensor downstream of SCR catalytic converter

*BA14.40-P-1007-02D

NOx sensor downstream of diesel particulate filter

*BA14.40-P-1006-02D

8

Unscrew nuts (3) from body and remove NOx sensor (1a or 2a) together with NOx sensor control unit (1b or 2b)

9

Install in the reverse order

10

Connect diagnostic system, adapt SCN coding for NOx sensors (1a or 2a) in the CDI control unit, read out fault memory and delete if necessary

AD00.00-P-2000-04A

Exhaust aftertreatment, BlueTec

Number

Designation

Engine 651 in model 172
with code U77 (Diesel Emission control BLUETEC (SCR))

BA14.40-P-1006-02D

NOx sensor downstream of diesel particulate filter

Nm

60

Exhaust aftertreatment, BlueTec

Number

Designation

Engine 651 in model 172
with code U77 (Diesel Emission control BLUETEC (SCR))

BA14.40-P-1007-02D

NOx sensor downstream of SCR catalytic converter

Nm

60

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