LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 2012 >> Grand Cherokee Laredo, AWD >> Repair and Diagnosis >> Engine Mechanical >> Exhaust System >> Converter, Catalytic >> Installation >> 3.6L Engine

3.6L Engine

Fig 1: Exhaust Gasket, Flange, Catalytic Converter Assemblies & Lower Bolts
GC0144288Courtesy of CHRYSLER GROUP, LLC
  1. Position new exhaust gasket (6) onto flange (1).
  2. Position the front exhaust pipe/catalytic converter assemblies (4) into vehicle.
  3. Install the lower bolts (5) at the front exhaust pipe/catalytic converter (4) assembly to exhaust manifold (1) flange. Do not tighten.
  4. Lower vehicle.
  5. Install the upper bolts at the front exhaust pipe/catalytic converter assemblies to exhaust manifold flanges. Tighten bolts to 23 N.m (17 ft. lbs.).
  6. Raise vehicle.
  7. Tighten lower flange bolts to 23 N.m (17 ft. lbs.).
    Fig 2: Muffler Flange & Exhaust Pipe/Catalytic Converter Assembly
    GC0138689Courtesy of CHRYSLER GROUP, LLC
  8. Position the exhaust system for proper clearance with the frame and underbody parts. A minimum clearance of 25.4 mm (1.0 in.) is required.
  9. Tighten the front exhaust pipe/catalytic converter assembly to muffler flange (2) nuts to 47 N.m (35 ft. lbs.) torque.
    Fig 3: Transmission Crossmember Reinforcement Brackets & Oxygen Sensor Connectors
    GC0145888Courtesy of CHRYSLER GROUP, LLC
  10. Connect oxygen sensor (2) electrical connectors.
  11. Install transmission crossmember reinforcement brackets (1, 4). Tighten bolts to 55 N.m (41 ft. lbs.).
  12. If equipped, install skid plates. Refer to PLATE, SKID, TRANSMISSION, INSTALLATION or PLATE, SKID, TRANSFER CASE, INSTALLATION .
  13. Lower vehicle.
  14. Start the vehicle and inspect for exhaust leaks. Repair exhaust leaks as necessary.