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Catalyst, Selective Catalytic Reduction (SCR): Installation: Installation

WARNING: This page is about a different car, the 2014 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: SCR & Nuts
    GC0158140Courtesy of CHRYSLER GROUP, LLC
  2. Clean all gasket sealing surfaces.
  3. Install new Selective Catalytic Reduction Catalyst (SCR) flange gasket.
  4. Position the SCR (2) onto flange and install flange nuts (1) finger tighten.
    Fig 2: SCR Isolator & Bolts
    GC0158108Courtesy of CHRYSLER GROUP, LLC
  5. Install the isolator (2) onto the SCR hanger rods. Tighten bolts (1) 28 N.m (21 ft. lbs.).
    Fig 3: SCR & Nuts
    GC0158140Courtesy of CHRYSLER GROUP, LLC
  6. Tighten the SCR flange nuts (1) to 32 N.m (24 ft. lbs.).
  7. Install the muffler assembly. Refer to MUFFLER, EXHAUST, INSTALLATION .
  8. Check the exhaust system for contact with the body panels. A minimum of 25 mm (1.0 in.) is required between the exhaust system components and body/frame parts. Make the necessary adjustments, if needed.
    Fig 4: Soot Sensor
    GC0158094Courtesy of CHRYSLER GROUP, LLC
  9. Install the soot sensor (1). Tighten sensor to 55 N.m (41 ft. lbs.).
    Fig 5: NOx Sensor 1/2
    GC0158001Courtesy of CHRYSLER GROUP, LLC
  10. Install the NOx sensor 1/2 (1). Tighten sensor to 60 N.m (44 ft. lbs.).
    Fig 6: NOx Sensor & Wire Harness Connector
    GC0158198Courtesy of CHRYSLER GROUP, LLC
  11. Install the soot module (1). Tighten nuts (3) to 9 N.m (80 in. lbs.).
  12. Connect the soot sensor wire harness connector (2).
  13. Install the NOx sensor 1/2 module (6). Tighten nuts (5) to 9 N.m (80 in. lbs.).
  14. Connect the NOx sensor wire harness connector (4).
    Fig 7: Diesel Exhaust Fluid (DEF) injector & Wire Harness Connector
    GC0158010Courtesy of CHRYSLER GROUP, LLC
  15. Connect the DEF fluid supply line (1) quick connect fitting.
  16. Connect the DEF injector wire harness connector (2).
  17. Connect the exhaust temperature sensors wire harness connector (2).
  18. If equipped, install skid plates.
  19. Lower the vehicle.
  20. Connect the negative battery cable.
  21. Using a scan tool, perform RESET REGENERATIVE FILTER TIMERS function found under ENGINE MISC. FUNCTIONS.
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