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Home >> Pontiac >> 2005 >> GTO Automatic >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust System >> Repair Instructions >> Muffler Replacement (Rear) >> Installation Procedure

Installation Procedure

    Fig 1: Identifying Muffler Support Flanges
    GM1557823Courtesy of GENERAL MOTORS CORP.
  1. Position the rear muffler assembly to the vehicle.
  2. Install the rear muffler assembly to the support hangers (2).
  3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Install the front muffler to rear muffler flange nuts (1).

    Tighten:  Tighten the front muffler to rear muffler flange bolts to 25 N.m (18 lb ft).

  5. Lower the vehicle.
    CAUTION: Refer to Exhaust Service Caution in Cautions and Notices.
    CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.

    Connect the negative battery cable.