LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jeep >> 2015 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> Engine Mechanical >> Exhaust System >> Catalyst, Diesel Oxidation >> Installation >> Installation
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Catalyst, Diesel Oxidation: Installation: Installation

Fig 1: Identifying Diesel Oxidation Catalyst & Nuts
GC0169826Courtesy of CHRYSLER GROUP, LLC
  1. Using a NEW  gasket, install the Diesel Oxidation Catalyst (DOC) (2) onto the turbocharger.
  2. Install the DOC to turbocharger flange nuts (1) finger tight.
    Fig 2: Identifying Bolts & Diesel Oxidation Catalyst Isolator
    GC0169874Courtesy of CHRYSLER GROUP, LLC
  3. Install the DOC isolator (2). Tighten the bolts (1) to 25 N.m (18 ft. lbs.).
    Fig 3: Identifying Diesel Oxidation Catalyst & Nuts
    GC0169826Courtesy of CHRYSLER GROUP, LLC
  4. Tighten the DOC-to-turbocharger flange nuts (1) to 25 N.m (18 ft. lbs.).
  5. Install the Diesel Particulate Filter (DPF). Refer to FILTER, DIESEL PARTICULATE, INSTALLATION .
  6. Check the exhaust system for proper clearance with the frame and underbody parts. A minimum clearance of 25.4 mm (1.0 in.) is required.
  7. Partially lower the vehicle.
    Fig 4: Identifying Exhaust Temperature Sensor System Components
    GC0169905Courtesy of CHRYSLER GROUP, LLC
  8. Install the heat shield (3). Tighten the upper bolt (2) to 18 N.m (13 ft. lbs.).
  9. Tighten the lower heat shield bolts (4) to 12 N.m (9 ft. lbs.).
  10. Install the oxygen sensor. Refer to SENSOR, OXYGEN, INSTALLATION .
  11. Install the exhaust temperature sensor. Refer to SENSOR, EXHAUST TEMPERATURE, INSTALLATION .
  12. Install the front right wheelhouse splash shield. Refer to SHIELD, SPLASH, WHEELHOUSE, INSTALLATION .
  13. Remove the support and lower the vehicle.
  14. Start the vehicle and inspect for exhaust leaks. Repair any exhaust leaks as necessary.