Disconnect/connect engine wiring harness to remove engine

AR15.18-P-1000-05MFF

Disconnect/connect engine wiring harness to remove engine

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Engine

654 in model 118, 177, 247

 Fuse and relay box

Number

Designation

Model 118

Model 177

BA54.15-P-1001-01M

Nut, positive line to prefuse box

M6

Nm

8

8

M8

Nm

16

16

 Fuse and relay box

Number

Designation

Model 247

BA54.15-P-1001-01M

Nut, positive line to prefuse box

M6

Nm

8

M8

Nm

16

Shown on model 247.014

1

Release and disconnect electrical connector (4) from AdBlue® metering valve (Y129) and expose electric line.

2

Release electrical connections(5) and disconnect.

3

Release and disconnect electrical connector (6).

4

Release and disconnect electrical connector (2) from NOx sensor control unit upstream of the SCR catalytic converter (N37/7).

5

Release and disconnect electrical connector (3) from NOx sensor control unit downstream of the SCR catalytic converter (N37/8).

6

Expose engine wiring harness (1) on the right side and place down to one side.

7

Remove cover (9).

8

Unscrew nut and remove electric line (10)  .

9

Release and disconnect electrical connector (7) from the CDI control unit (N3/9).

10

Remove engine wiring harness (1) on the left side from the air filter housing (8) and place down to one side.

11

Connect in reverse order.