Remove/Install NOX Sensor With Controller Unit - AR14.40-P-2038GQ
ENGINE 642 in MODEL 292 with CODE U77 (Diesel Emission control BLUETEC (SCR))
ENGINE 642, 651 in MODEL 166 with CODE U42 (BlueTEC diesel exhaust treatment (SCR))
MODIFICATION NOTES
| 30.7.15 | Remove lower engine compartment paneling, added. | Operation step 1 | |
| 30.7.15 | Unclip line (4a) from retaining clip (6), added. | Operation step 5 | |
| 30.7.15 | Remove heat shield (9), added. | Operation step 7 | |
| 30.7.15 | Unfasten heat shield (10), added. | Operation step 8 |
Shown on model 166.024
Shown on model 166.024
| Remove/install | |||
| 1 | Remove lower engine compartment paneling | AR61.30-P-1001GQ | |
| 2 | Remove undercarriage paneling on right | AR61.30-P-1001GQ | |
| 3 | Unfasten 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 in model 292 with code 468 (ACTIVE CURVE SYSTEM) with code U77 (Diesel Emission control BLUETEC (SCR)) 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 | Unclip line (4a) from retaining clip (6) | For removal of the NOx sensor downstream of diesel particulate filter (N37/7b1). | |
| 6 | Unhook line (4b) from clamps (5) | For removal of the NOx sensor downstream of SCR catalytic converter (N37/8b1). | |
| 7 | Remove heat shield (9) | For removal of the NOx sensor downstream of diesel particulate filter (N37/7b1). | |
| 8 | Unfasten heat shield (10) | For removal of the NOx sensor downstream of diesel particulate filter (N37/7b1). | |
| 9 | 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) | ||
| 10 | Unscrew nuts (3) | ||
| 11 | Remove NOx sensor downstream of diesel particulate filter (N37/7b1) or NOx sensor downstream of SCR catalytic converter (N3778b1/) from exhaust pipe and take it off | with code U42 (BlueTEC diesel exhaust treatment (SCR)) Engine 642 in model 292 with code U77 (Diesel Emission control BLUETEC (SCR)) Engine 651 in model 166 with code U42 (BlueTEC diesel exhaust treatment (SCR)) NOx sensor downstream of SCR catalytic converter |
*BA14.40-P-1004-02A |
with code U42 (BlueTEC diesel exhaust treatment (SCR)) Engine 642 in model 292 with code U77 (Diesel Emission control BLUETEC (SCR)) Engine 651 in model 166 with code U42 (BlueTEC diesel exhaust treatment (SCR)) NOx sensor downstream of DPF |
*BA14.40-P-1005-02A | ||
| 12 | Install in the reverse order | ||
| 13 | Connect diagnostic system and clear fault memory | For replacing a NOx sensor, perform the reset routine. | |
| AD00.00-P-2000-04A |
EXHAUST AFTERTREATMENT, BLUETEC
| Number | Designation | Engine 642 with code U42 (BlueTEC diesel exhaust treatment (SCR)) | Engine 642 with code U77 (Diesel Emission control BLUETEC (SCR)) | |
|---|---|---|---|---|
| BA14.40-P-1004-02A | NOx sensor downstream of SCR catalytic converter | Nm | 60 | 60 |
EXHAUST AFTERTREATMENT, BLUETEC
| Number | Designation | Engine 651 in model 166, 204, 207, 212, 218, 221, 222 with code U42 (BlueTEC diesel exhaust treatment (SCR)) | |
|---|---|---|---|
| BA14.40-P-1004-02A | NOx sensor downstream of SCR catalytic converter | Nm | 60 |
EXHAUST AFTERTREATMENT, BLUETEC
| Number | Designation | Engine 642 with code U42 (BlueTEC diesel exhaust treatment (SCR)) | Engine 642 with code U77 (Diesel Emission control BLUETEC (SCR)) | |
|---|---|---|---|---|
| BA14.40-P-1005-02A | NOx sensor downstream of DPF | Nm | 60 | 60 |
EXHAUST AFTERTREATMENT, BLUETEC
| Number | Designation | Engine 651 in model 166, 204, 207, 212, 218, 221, 222 with code U42 (BlueTEC diesel exhaust treatment (SCR)) | |
|---|---|---|---|
| BA14.40-P-1005-02A | NOx sensor downstream of DPF | Nm | 60 |