ar1512d2003us

Remove/install ignition coils

Type ar · topic 15.12 · version 0105 · 2019-11-16

Applies to: Engine 272 in model 906

Where it sits

Function group 1 Engine › 15 Electrical system - engine › 15.12 DI ignition system — Series 906

EinPAS 15 Engine › 15.45 Engine management › 15.45.33 Ignition coil/distributor/ignition line/spark plug — Series 906

Also applies to engines/gearboxes: 272 ***

AR15.12-D-2003US

Remove/install ignition coils

15.11.2019

Engine

272 in model 906

Remove/install ignition coils

Shown on removed air filter housing

1

Bolts

2

Spark plug connector

T1/1

Cylinder 1 ignition coil

T1/2

Cylinder 2 ignition coil

T1/3

Cylinder 3 ignition coil

T1/4

Cylinder 4 ignition coil

T1/5

Cylinder 5 ignition coil

T1/6

Cylinder 6 ignition coil

D15.12-1112-06

Remove/install

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

Danger

Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC)

Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines.

AS00.00-Z-0035-01A

Topical note

Notes on avoiding damage to ignition system

AH15.10-P-0002-01V

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

1

Disconnect battery ground line

Disconnect/connect battery ground line

AR54.10-D-0003SD

2

Disconnect the electrical connectors of the ignition coils (T1/1, T1/2, T1/3, T1/4, T1/5, T1/6)

3

Unscrew the screws (1) at the ignition coils (T1/1, T1/2, T1/3, T1/4, T1/5, T1/6)

Screw/bolt, ignition coil to cylinder head cover

*BA15.10-N-1001-04A

4

Remove ignition coils (T1/1, T1/2, T1/3, T1/4, T1/5, T1/6) with spark plug connectors (2)

Check

5

Check spark plug connectors (2), ignition coil connectors and ignition lines for damage, deformation and crack formation

Replace the affected ignition coil (T1/1, T1/2, T1/3, T1/4, T1/5, T1/6) if necessary.

6

Install in the reverse order

Ignition coil

Number

Designation

Engine 272.979 in model 906

BA15.10-N-1001-04A

Screw/bolt, ignition coil to cylinder head cover

Nm

9

Referenced documents