Install, Remove Exhaust Gas RECIRCULATION - Ar14.20-D-1050SG
ENGINES 642.896 /898 /993 in MODEL 906
INSTALL, REMOVE EXHAUST GAS RECIRCULATION - ENGINES 642.896 /898 /993 IN MODEL 906
| Remove/install | |||
| Risk of injury to skin and eyes caused by handling hot or glowing objects. | Wear safety gloves, protective clothing and safety glasses, if necessary. | AS00.00-Z-0002-01A | |
| 1 | Disconnect battery ground line | AR54.10-D-0003SD | |
| 2 | Drain coolant | AR20.00-D-1140SD | |
| 3 | Remove expansion reservoir (7) | AR20.30-D-4950SD | |
| 4 | Lift/jack up vehicle | AR00.60-D-1000H | |
| 5 | Remove rear exhaust gas recirculation pipe (15) from exhaust gas recirculation (1) | ||
| Fig 3 | |||
| 6 | Lower vehicle | ||
| 7 | Disconnect electrical connector (8) from exhaust gas recirculation positioner (Y27/11 or Y27/17) | ||
| 8 | Unscrew exhaust gas recirculation cooler temperature sensor (B19/15 or B19/21), pull out of exhaust gas recirculation (1) and expose electrical line | Engine 642.898/993 |
|
| Paste | |||
| 9 | Remove coolant hoses (5, 9) from exhaust gas recirculation (1) | ||
| 10 | Remove front exhaust gas recirculation pipe (10) from exhaust gas recirculation valve to mixing chamber | AR14.20-D-1060SG | |
| 11 | Remove drain hose (24) from drain pipe (23) | Engine 642.898/993 with code (KL5) Fuel filter with water deflector | |
| 12 | Remove vacuum line (2) from aneroid capsule (3) | ||
| 13 | Disconnect electrical connector (4) from exhaust back pressure sensor (B60 or B60/4) | ||
| 14 | Remove oil dipstick guide tube (22) from bracket (21) and press to side | ||
| 15 | Disconnect electrical connector (20) from end position sensor for exhaust gas recirculation cooler (B90/1) | Engine 642.993 | |
| 17.1 | Remove oil filler line (11) from bracket (13) and press to side | Engine 642.896/898 with transmission 722 | |
| 17.2 | Remove oil filler line (11) from exhaust gas recirculation (1) and press to side | Engine 642.993 with transmission 722 | |
| 18 | Remove bracket (13) on pressure lines (12) from exhaust gas recirculation (1) and press to side | Engine 642.896/898 |
|
| 19 | Unscrew bolts (14) from exhaust gas recirculation (1) | ||
| Fig 3 | |||
| 20 | Unscrew bolts (16) from bracket (17) and exhaust gas recirculation (1) | ||
| Fig 3 | |||
| 21 | Unscrew bolt (19) | ||
| 22 | Unscrew bolt (18) and remove exhaust gas recirculation (1) upward | ||
| Fig 3 | |||
| Clean | |||
| 23 | Clean sealing surfaces on rear exhaust gas recirculation pipe (15) | ||
| 24 | Clean sealing surfaces on exhaust gas recirculation (1) | ||
| 25 | Install in the reverse order | ||
| Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running | Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. |
AS00.00-Z-0005-01A | |
| 26 | Test run engine and check in area of exhaust gas recirculation (1) for leakage |
EXHAUST GAS RECIRCULATION TORQUE SPECIFICATIONS - ENGINE 642 IN MODEL 906
| Number | Designation | Engine 642.896/ 898 in model 906 | ||
|---|---|---|---|---|
| BA14.20-N-1005-01H | Temperature sensor to exhaust gas recirculation valve | Nm | 45 | |
| BA14.20-N-1017-01H | Bolt, exhaust gas recirculation pipe on exhaust recirculation bypass flap | Nm | 9 | |
| BA14.20-N-1022-01H | Bolt, exhaust gas recirculation valve housing to bracket | M8X20 | Nm | 28 |
| M8X80 | Nm | 20 | ||
| BA14.20-N-1023-01H | Bolt, exhaust gas recirculation bypass flap on bracket | Nm | 20 | |
REPAIR MATERIALS
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1005-06A | Paste, hot lubrication 1 kg, DB supply specification 6879.20 | A 000 989 76 51 |