Remove/install NOx sensor with controller unit - AR14.40-P-2038GQ
ENGINE 642, 651 in MODEL 166 with CODE U42 (BlueTEC diesel exhaust treatment (SCR))
Shown on model 166.024
Fig 1: Identifying NOx Sensor With Controller Unit Remove/Install Components - Shown On Model 166.024 (1 Of 2)
Shown on model 166.024
Fig 2: Identifying NOx Sensor With Controller Unit Remove/Install Components - Shown On Model 166.024 (2 Of 2)
| Remove/install | |||
| 1 | Remove corresponding underfloor paneling | AR61.30-P-1001GQ | |
| 2 | Remove diesel particulate filter | For removal of the NOx sensor downstream of diesel particulate filter (N37/7b1) | |
| ENGINE 642 in MODEL 166 with CODE U42 (BlueTEC diesel exhaust treatment (SCR)) |
AR49.10-P-5501OGR | ||
| ENGINE 651 in MODEL 166 with CODE U42 (BlueTEC diesel exhaust treatment (SCR)) |
AR49.10-P-5501GQ | ||
| 3 | Remove heat shield (1) | For removal of the NOx sensor downstream of diesel particulate filter (N37/7b1) | |
| 4 | Detach clamp (2) on longitudinal member | ENGINE 642, 651 in MODEL 166 with CODE 468 (ACTIVE CURVE SYSTEM) with CODE U42 (BlueTEC diesel exhaust treatment (SCR)) For removal of the NOx sensor downstream of diesel particulate filter (N37/7b1) |
|
| 5 | Unhook line (4b) from clamps (5) | For removal of the NOx sensor downstream of SCR catalytic converter (N37/8b1) | |
| 6 | Disconnect electrical connection on NOx sensor control unit downstream of diesel particulate filter (N37/7) or on NOx sensor control unit downstream of SCR catalytic converter (N37/8) | ||
| 7 | Unscrew Nuts (3) | ||
| 8 | Remove NOx sensor downstream of diesel particulate filter (N37/7b1) or NOx sensor downstream of SCR catalytic converter (N37/8b1) from exhaust pipe and take off | ENGINE 642 in MODEL 166 with CODE U42 (BlueTEC diesel exhaust treatment (SCR)) ENGINE 651 in MODEL 166 with CODE U42 (BlueTEC diesel exhaust treatment (SCR)) |
*BA14.40-P-1004-02A |
ENGINE 642 in MODEL 166 with CODE U42 (BlueTEC diesel exhaust treatment (SCR)) ENGINE 651 in MODEL 166 with CODE U42 (BlueTEC diesel exhaust treatment (SCR)) |
*BA14.40-P-1005-02A | ||
| 9 | Install in the reverse order | ||
| 10 | Connect diagnostic system and clear fault memory | ||
| AD00.00-P-2000-04A | |||
EXHAUST AFTERTREATMENT, BLUE TEC
| Number | Designation | ENGINE 642 with CODE U42 | Engine 651 with code U42 | |
|---|---|---|---|---|
| BA14.40-P-1004-02A | NOx sensor downstream of SCR catalytic converter | Nm | 60 | 60 |
EXHAUST AFTERTREATMENT, BLUE TEC
| Number | Designation | ENGINE 642 with CODE U42 | Engine 651 with code U42 | |
|---|---|---|---|---|
| BA14.40-P-1005-02A | NOx sensor downstream of DPF | Nm | 60 | 60 |