The aftertreatment diesel particulate filter differential pressure sensor is marked with “HI” on one side of the sensor (1 ). This indicates that the high-side…

Inspect the inside of the tube. If the tube is partially clogged, saturate the inside of the tube with a mineral based solvent, or equivalent.…

NOTE: The mounting location of the aftertreatment diesel particulate filter differential pressure sensor varies with exhaust aftertreatment orientation and OEM mounting location. Remove the spring…

NOTE: A cylindrical locating tab may be welded to the outside of the catalyst canister to position the differential pressure sensor mounting bracket. NOTE: Make…

Inspect the differential pressure sensor mounting bracket for cracks, damaged threads, or broken studs. Replace the differential pressure sensor mounting bracket, if damaged. Inspect the…

Remove the nut on the aftertreatment diesel particulate filter differential pressure sensor mounting bracket strap. NOTE: A cylindrical locating tab may be welded to the…

Due to the number of exhaust aftertreatment applications, this procedure is generic. Not all illustrations within the procedure will represent all applications. The exhaust aftertreatment…

Install new gaskets on the inlet and outlet of the exhaust gas aftertreatment diesel oxidation catalyst. Apply a coat of anti-seize compound on the threads…

Remove any residual gasket material from the flanges on the aftertreatment diesel particulate filter with a putty knife. NOTE: Avoid dropping fragments of gasket material…

Draw an orientation reference line across each of the V- band clamps, aftertreatment canister sections, and connection points to the tailpipe. This will aid in…