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Home >> Jeep >> 2004 >> Liberty Limited, 4WD, Automatic >> Repair and Diagnosis >> Engine Mechanical >> Exhaust System >> Muffler >> Installation

Exhaust System: Muffler: Installation

All original equipment exhaust systems are manufactured with the exhaust tailpipe welded to the muffler. Service replacement mufflers and exhaust tailpipes are either clamped together or welded together.

WARNING: IF TORCHES ARE USED WHEN WORKING ON THE EXHAUST SYSTEM, DO NOT ALLOW THE FLAME NEAR THE FUEL LINE.
CAUTION: When servicing exhaust system components, disconnect the oxygen sensor connector. Allowing the exhaust system to hang by the oxygen sensor harness will damage the wiring and/or sensor.
  1. Position muffler and tailpipe assembly into vehicle.
  2. Install rear hanger into isolator.
  3. Install front hanger into isolator.
  4. Make sure the exhaust system is in proper alignment. There should be at least 25 mm (1 inch) clearance between the exhaust components and any surrounding components.
  5. Tighten muffler to front pipe nuts to 28.5 N.m (21 ft. lbs.).
  6. Tighten tailpipe clamp to 27 N.m (16 ft. lbs.).
  7. Lower the vehicle.
  8. Start the vehicle and inspect for exhaust leaks. Repair exhaust leaks as necessary.
  9. Check the exhaust system for contact with the body panels. Make necessary adjustments, if necessary.