Redrill broken glow plugs

AR15.20-S-4112PS

Redrill broken glow plugs

17.05.2018

Engine

642 in model 470, 471

1

Screw

2

Cable duct

3

Lifting eye

4

Glow plug

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A



Remove

1

Remove fuel injector at cylinder of broken off glow plug (4).

AR07.16-S-1020PS

2.1

Remove left rail.

Only where glow plug (4) of left cylinder bank is broken off.

AR07.03-S-1011PS

2.2

Remove right rail.

Only in case of broken off glow plug (4) of right cylinder bank.

AR07.03-S-1012PS

3

Remove screw (1) and remove cable duct (2) from lifting eye (3).

Only where glow plug (4) of cylinder 6 is broken off.

Drill out

4

Drill out broken off glow plug (4).

AR15.20-D-4112-01M

 Screw/bolt, cylinder head cover to cylinder head

*BA01.20-N-1001-01O

 M6

*BA00.10-N-1002-01A

MB multipurpose grease, 400 g

*BR00.45-Z-1017-06A

Multipurpose oil

*BR00.45-Z-1093-06A

 Record plug

*611589009100

 Glow plug repair kit, M8

*642589009900



Install

5

Position cable duct (2) at lifting eye (3) and tighten with screw (1).

Only if glow plug (4) of cylinder 6 is broken off.

6.1

Install left rail.

Only if glow plug (4) of left cylinder bank is broken off.

AR07.03-S-1011PS

6.2

Install right rail.

Only if glow plug (4) of right cylinder bank is broken off.

AR07.03-S-1012PS

7

Install fuel injector at cylinder of broken off glow plug (4).

AR07.16-S-1020PS

8

Install new glow plug at cylinder of broken off glow plug (4).

AR15.20-S-4111PS

 Headless screws/bolts: screws/bolts and nuts, coarse-pitch thread

Number

Designation

8.8

10.9

BA00.10-N-1002-01A

M6

Galvanized

Nm

9

13

Phosphated

Nm

9

12

 Headless screws/bolts: screws/bolts and nuts, coarse-pitch thread

Number

Designation

12.9

BA00.10-N-1002-01A

M6

Galvanized

Nm

16

Phosphated

Nm

14

 Crankcase ventilation system, cylinder head cover

Number

Designation

Engine 642 in model 470, 471

BA01.20-N-1001-01O

Screw/bolt, cylinder head cover to cylinder head

Stage 1, apply

Nm

4

Stage 2, initial torque

Nm

6

Stage 3, final torque

Nm

8

Repair materials

Number

Designation

Order number

BR00.45-Z-1017-06A

MB multipurpose grease, 400 g

A 001 989 34 51 11

BR00.45-Z-1093-06A

Multipurpose oil

A 000 989 84 01