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Home >> Saturn >> 2008 >> Astra XR, 2D Hatchback, Automatic >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust System >> Repair Instructions >> Exhaust System Replacement >> Installation Procedure

Installation Procedure

    NOTE: Refer to Fastener Notice .
  1. Install the oxygen sensor.

    Tighten:  Tighten to 40 N.m (30 lb ft).

    Coat thread of oxygen sensor with anti-sieze paste.

  2. Prepare the exhaust system.

    Install the center muffler to the front exhaust pipe.

  3. With the aid of an assistant, install the exhaust system.

    Install the center muffler from bracket in 4 places.

  4. Install the front exhaust pipe to the catalytic converter.

    Tighten:  Tighten the 3 nuts to 20 N.m (15 lb ft).

  5. Install the rear muffler to the center muffler.
  6. Insert the rear muffler in bracket in 2 places.
  7. Align the exhaust system.
  8. Tighten the rear muffler fastening clamp.

    Tighten:  Tighten the nut to 50 N.m (37 lb ft).

  9. Connect the wiring harness of the oxygen sensor.

    Connect the wiring harness plug.

  10. Lower the vehicle all the way.
  11. Close the hood.
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