479742-5921 ZEXEL 9 443 610 632 BOSCH RACK SENSOR 9443610632 4797425921

Image1.1.1
3) Remove the sensor box bracket and heat shield from the sensor box. Keep the bolt hardware for re-use.
Image1.2.1
4) Install new sensor box bracket and existing heat shield. Tighten all 6 bolts to a torque of 12 +/- 3 Nm (106 +/- 27 lb-in).
Image1.3.1
5) Where applicable perform the DPF sensor line update, Service Letter REBE3397 at this step.
6) Install sensor box, pressure lines, and thermocouples onto DPF.
Reference appropriate Disassembly and Assembly manual for proper torque and use of anti-seize.
Image1.4.1
7) Start the engine and use CAT ET to ensure that the status parameter Diesel Particulate Trap #1 Differential Pressure has a value greater than zero. Also ensure status parameters Diesel Particulate Trap #1 Intake Temperature, and Diesel Particulate Trap #1 Outlet Temperature show reasonable values and increase with the rising exhaust temperatures.