1 | Exhaust gas recirculation line |
2 | Electrical line |
3 | Screw |
4 | Sealing rings |
B621 | Exhaust gas recirculation (AGR) differential pressure sensor |
G14.20-3170-12
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 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. | |
Topical note | Notes on self-locking nuts and bolts | ||
Topical note | Notes on avoiding damage through contamination and foreign objects | ||
Topical note | Information on preventing damage to electronic components due to electrostatic discharge | ||
| Remove/install | ||
1 | Switch off ignition | ||
2 | Expose electrical line (2) and disconnect on EGR (EGR) differential pressure sensor (B621) | ||
3 | Remove screws (3) | Screw/bolt, exhaust gas recirculation (EGR) differential pressure sensor to exhaust gas recirculation line | |
4 | Remove EGR (EGR) differential pressure sensor (B621) | In case of damaged sealing rings (4) | |
| |||
Replace exhaust gas recirculation (EGR) differential pressure sensor (B621). | |||
5 | Clean sealing surfaces at exhaust gas recirculation line (1) and at exhaust gas recirculation (EGR) differential pressure sensor (B621) | ||
6 | Install in the reverse order | ||
7 | Calibrate EGR differential pressure sensor(EGR) (B621) with the diagnostic unit | See information from body manufacturer. | |
8 | Start engine and perform an engine test run | Allow engine to run at a higher rotational speed. | |
9 | Turn off engine |