2009 Lincoln Navigator Catalytic Converter, Exhaust Pipe, Muffler Strap, Tail Pipe

Catalytic Converter, Exhaust Pipe, Tail Pipe Installation and Repair Tips for 2009 Lincoln Navigator

• Q: How to service and repair the catalytic converter on 2009 Lincoln Navigator?

  A: In order to service the catalytic converter on the Expedition and Navigator, review the exploded view of the exhaust system, with the rear-wheel drive (RWD) set-up, unchanged in four-wheel drive (4WD). This is both in the case of the Expedition EL and the Navigator L. More procedural details are provided.
• Q: How to Service and Repair the Tail Pipe and Muffler on 2009 Lincoln Navigator?

  A: In order to have access to the muffler and tailpipe, place the car in neutral on a hoist. Lose skid plate bolts of transfer case (when fitted). Disconnect tailpipe or resonator, prop-up muffler and loosen bolts on the exhaust Y-pipe. Install muffler, tighten bolts and inspect isolators. Fit the skid plate should this be missing.
• Q: How to Service the Exhaust Pipe Y-Pipe Dual Catalytic Converter on 2009 Lincoln Navigator?

  A: Service the exhaust Y-pipe dual catalytic converter: place vehicle in neutral on a hoist, disconnect HO2S, CMS, remove transmission crossmember and loosen mounting bracket bolt. Remove bracket bolts (RWD slide off; 4WD remove bolts), remove converter fasteners, separate if needed, clean flanges, reinstall, reconnect sensors, check isolators and alignment.