Selective Catalytic Reduction (SCR) Catalyst - Installation

INSTALLATION SCR CATALYST





1. Install new exhaust flange gasket between the Selective Catalytic Reduction Catalyst (SCR) (2) and the extension pipe.
2. Position the SCR (2) onto flange.
3. Install flange nuts (3). Hand tighten only.
4. Install the isolators (1).





5. Install the tail pipe assembly Exhaust Tailpipe - Installation.
6. 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.
7. Tighten flange nuts (5) to 54 Nm (40 ft. lbs.).





8. Install the DEF injector Diesel Exhaust Fluid Injector - Installation.
9. Connect temperature and NOx sensors.
10. If equipped, install skid plates.
11. Lower vehicle.
12. Connect negative battery cables.
13. Using a scan tool, perform RESET REGENERATIVE FILTER TIMERS function found under ENGINE MISC. FUNCTIONS.