Modification notes |
22.05.2018 | Work procedure revised | Operation steps 1 to 19 | |
30.07.2019 | Bolt, exhaust gas recirculation line to exhaust gas recirculation bypass flap | Engine 642.993 in model 906 | BA14.20-N-1017-01H |
30.07.2019 | Bolt, exhaust gas recirculation line to exhaust collector pipe | Engine 642.993 in model 906 | BA14.20-N-1018-01H |
D14.20-1138-09
1 | Bypass flap | 5 | Heat shield | 9 | Exhaust collector pipe | ||
2 | Rear exhaust gas recirculation line | 6 | Bolts | 10 | Clip | ||
3 | Clip | 7 | Screw | 11 | Turbocharger | ||
4 | Bracket | 8 | Seal | 12 | Air intake pipe |
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. | |
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. | |
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. | |
Topical note | Notes on avoiding damage through contamination and foreign objects | ||
| Remove | ||
1 | Remove the air intake pipe (12). | ||
2 | Remove the heat shield (5). | To do so, remove the screws/bolts (6, 7). | |
Set of flexible head wrenches | |||
3 | Remove the rear exhaust gas recirculation line (2) from the exhaust collector pipe (9). | To do so, unscrew the bolts and remove the seal (8) from the exhaust collector pipe (9). | |
Set of flexible head wrenches | |||
4 | Remove the clamp(10). | To do this, undo screw/bolt. | |
Set of flexible head wrenches | |||
5 | Remove the clamp (3). | To do this, undo screw/bolt. | |
Set of flexible head wrenches | |||
6 | Remove the rear exhaust gas recirculation line (2) from the bypass flap (1). | To do so, unscrew the bolts and remove the seal (8) from the bypass flap (1). | |
Set of flexible head wrenches | |||
7 | Remove the rear exhaust gas recirculation line (2). | To do so, rotate the rear exhaust gas recirculation line (2) and remove upward. | |
| Clean | ||
8 | Clean the sealing surfaces on the exhaust collector pipe (9) and bypass flap (1). | Assembly cleaner | |
9 | Clean the sealing surfaces on the rear exhaust gas recirculation line (2). | If the rear exhaust gas recirculation line (2) is reused. | |
Assembly cleaner | |||
| Install | ||
10 | Install the rear exhaust gas recirculation line (2). | To do so, put the rear exhaust gas recirculation line (2) into its installation position. Install new seals (8). | |
11 | Partly screw in by hand the bolts for the rear exhaust gas recirculation line (2) on the bypass flap (1) and exhaust collector pipe (9). | Do not tighten screw/bolts yet. | |
Set of flexible head wrenches | |||
12 | Partly screw in by hand the bolts for the clamps (3, 10). | Do not tighten screw/bolts yet. | |
Set of flexible head wrenches | |||
13 | Tighten the bolts for the rear exhaust gas recirculation line (2) on the bypass flap (1). | Bolt, exhaust gas recirculation line to exhaust gas recirculation bypass flap | |
Set of flexible head wrenches | |||
14 | Tighten the bolt for the clamp (3). | Bolt, EGR line to bracket | |
Set of flexible head wrenches | |||
15 | Tighten the bolt for the clamp (10). | Bolt, EGR line to bracket | |
Set of flexible head wrenches | |||
16 | Tighten the bolts for the rear exhaust gas recirculation line (2) on the exhaust collector pipe (9). | Bolt, exhaust gas recirculation line to exhaust collector pipe | |
Set of flexible head wrenches | |||
17 | Install the heat shield (5). | To do so, screw in the bolts (6, 7). | |
Bolt, heat shield to bracket | |||
Bolt, heat shield to exhaust collector pipe | |||
Set of flexible head wrenches | |||
18 | Install the air intake pipe (12). | ||
| 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. | |
19 | Check for leaktightness when engine is running. | Visual inspection only. |
001 589 81 09 00
Set of flexible head wrenches
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