Remove/install exhaust gas recirculation line between exhaust manifold and high-pressure exhaust gas recirculation valve

AR14.20-S-1065EA

Remove/install exhaust gas recirculation line between exhaust manifold and high-pressure exhaust gas recirculation valve

06.03.2020

Engine

654.9 in model 447

1

Exhaust gas recirculation line

5

High pressure exhaust gas recirculation valve

2

Bolts

6

Seal

3

Screw

7

Seal

4

Exhaust manifold

 Warning

Risk of burn injuries, suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust.

Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area.

AS49.00-Z-0001-01A

 Caution

Risk of injury caused by scraping or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.

AS00.00-Z-0017-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

 

Remove/install

1

Remove diesel oxidation catalytic converter.

AR49.20-S-0104EA

 Installation: Only install upper engine cover after the leak test.

2

Remove screws (2).

 Installation: Replace screw/bolts (2).

 Bolt, high pressure EGR line to high pressure exhaust gas recirculation valve

*BA14.20-N-1006-01EA

3

Remove screws (3) and remove exhaust gas recirculation line (1) from the exhaust manifold (4) and from the high-pressure exhaust gas recirculation valve (5).

Topical note

Notes on threaded connections fastened using a tightening angle-based tightening process

AH00.00-P-0020-01A

 Installation: Replace screw/bolts (3).
Install new seals (6, 7).

 Bolt, high pressure exhaust gas recirculation line to exhaust manifold

*BA14.20-N-1021-01EA

4

Cover opening on the high-pressure exhaust gas recirculation valve (5) and on the exhaust manifold (4) with suitable protective covers.

 Set of protective caps

*001589029100



Check

5

Check exhaust gas recirculation line (1) for damage.

If damage is detected



replace exhaust gas recirculation line (1).



Clean

6

Clean the sealing surfaces of the EGR (1).

If the exhaust gas recirculation line (1) is reused.

Assembly cleaner

*BR00.45-Z-1028-04A

7

Clean sealing surface on the exhaust manifold (4) and high-pressure exhaust gas recirculation valve (5).

Assembly cleaner

*BR00.45-Z-1028-04A

8

Install in the reverse order.



Check

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

9

Perform engine test run and check exhaust gas recirculation line (1) for leak tightness.

 Exhaust gas recirculation

Number

Designation

Engine 654.9 in model 447

BA14.20-N-1006-01EA

Bolt, high pressure EGR line to high pressure exhaust gas recirculation valve

Nm

10

 Exhaust gas recirculation

Number

Designation

Engine 654.9 in model 447

BA14.20-N-1021-01EA

Bolt, high pressure exhaust gas recirculation line to exhaust manifold

Stage 1

Nm

12

Stage 2

°

90

Repair materials

Number

Designation

Order number

BR00.45-Z-1028-04A

Assembly cleaner

A 000 986 56 01