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Cross-Under Pipe - 2.7L: Installation

  1. Install new gasket to lower part of rear catalytic converter. If installing new cross-under pipe, transfer oxygen sensors to new pipe. See Figure.
  2. Loosely install cross-under pipe to catalytic converters. See Figure. Snug nuts up equally using hand pressure.
  3. Tighten 2 nuts for cross-under pipe to rear catalytic converter to 28 N.m (250 in. lbs.). See Figure.
  4. Tighten 2 nuts for cross-under pipe to front catalytic converter to 28 N.m (250 in. lbs.). See Figure.
  5. Connect exhaust system pipe to cross-under pipe. Tighten attaching fasteners to 28 N.m (250 in. lbs.)
  6. Install oil pan to transmission structural collar. (Refer to ENGINE/ENGINE BLOCK/STRUCTURAL COVER - INSTALLATION) for 2.4L and (Refer to ENGINE/ENGINE BLOCK/STRUCTURAL COVER - INSTALLATION) for 2.7L
  7. Reconnect downstream oxygen sensor connectors.
  8. Lower vehicle.
  9. Start the engine and inspect for exhaust leaks. Repair exhaust leaks as necessary.
  10. Check the exhaust system for contact with the body panels. Make the necessary adjustments, if needed.
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