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Home >> Pontiac >> 2007 >> G5 Base, Standard >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust System >> Repair Instructions >> Muffler Replacement (RPO L61) >> Installation Procedure

Installation Procedure

    Fig 1: Installing Muffler (L61)
    GM890536Courtesy of GENERAL MOTORS CORP.
  1. Slide the muffler inlet pipe over the muffler pipe, then install the muffler insulator to the underbody hanger.
    2. Fig 2: Installing Service Muffler Clamp
    GM890538Courtesy of GENERAL MOTORS CORP.
  2. Install a service muffler clamp to the muffler inlet pipe. Position the clamp approximately 19 mm (3/4 in), from the edge of the muffler inlet, with the clamp nuts oriented away from the evaporative emission (EVAP) canister.
  3. Align the muffler and tailpipe to the vehicle underbody and rear bumper fascia.
    4. NOTE: Refer to Fastener Notice .
  4. While maintaining muffler positioning, tighten the exhaust clamp nuts.

    Tighten:  Tighten the nuts to 45 N.m (33 lb ft).

  5. Lower the vehicle.
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