Remove/install temperature sensor upstream of SCR catalytic converter - AR14.40-P-2011GZB
ENGINE 642 in MODEL 164, 166, 221, 251 with CODE U42 (BlueTEC diesel exhaust treatment (SCR))
ENGINE 651 in MODEL 166 with CODE U42 (BlueTEC diesel exhaust treatment (SCR))
Shown on model 251.1 with removed propeller shaft
| 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. | AS00.00-Z-0002-01A | |
| Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| Remove/install | |||
| 1.1 | Detach right underfloor paneling on rocker panel or in the area of the temperature sensor upstream of the SCR catalytic converter (B16/15) | ENGINE 642 in MODEL 221 with CODE U42 (BlueTEC diesel exhaust treatment (SCR)) |
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| 1.2 | Disconnect electrical connector (1) | ENGINE 642 in MODEL 164, 251 with CODE U42 (BlueTEC diesel exhaust treatment (SCR)) ENGINE 651 in MODEL 166 with CODE U42 (BlueTEC diesel exhaust treatment (SCR)) |
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| 2 | Pull electrical feed line for the temperature sensor upstream of the SCR catalytic converter (B16/15) out of the retaining clamps | ||
| 3 | Route electrical line with plug under the bracket on the transmission | ENGINE 642 in MODEL 164, 251 with CODE U42 (BlueTEC diesel exhaust treatment (SCR)) |
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| 4 | Remove cable tie, disconnect electrical feed line on electrical connector and pass through between heat shield and undercarriage | ENGINE 642 in MODEL 221 with CODE U42 (BlueTEC diesel exhaust treatment (SCR)) |
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| 5 | Fully unscrew temperature sensor upstream of the SCR catalytic converter (B16/15) and take off | ENGINE 642 with CODE U42 (BlueTEC diesel exhaust treatment (SCR)) ENGINE 651 in MODEL 166 with CODE U42 (BlueTEC diesel exhaust treatment (SCR)) |
BA14.40-P-1006-02A |
| 6 | Install in the reverse order | ||
| 7 | Connect Star Diagnosis, read out fault memory and erase if necessary | ||
| AD00.00-P-2000-04A |
EXHAUST AFTERTREATMENT, BLUE TEC
| Number | Designation | ENGINE 642 with CODE U42 (BlueTEC diesel exhaust treatment (SCR)) | ENGINE 651 with CODE U42 (BlueTEC diesel exhaust treatment (SCR)) | |
|---|---|---|---|---|
| BA14.40-P-1006-02A | Temperature sensor for exhaust temperature measurement upstream of SCR catalytic converter | Nm | 45 | 45 |