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Home >> Cadillac >> 2007 >> Escalade EXT >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust System >> Repair Instructions >> Muffler Replacement (2500) >> Installation Procedure
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Installation Procedure

    Fig 1: Locating Exhaust System Hangers & Insulators
    GM1708988Courtesy of GENERAL MOTORS CORP.
  1. Lubricate the insulators where the muffler assembly hangers are inserted in order to ease installation.
  2. With the aid of an assistant, install the muffler assembly. Rotate the muffler into position over the rear axle, move the muffler rearward, then forward installing the muffler to the catalytic converters.
  3. Install the insulators to the exhaust system hangers (4, 5, and 6).
    4. Fig 2: View Of Exhaust Muffler To Right Catalytic Converter Nuts & Exhaust Pipe Clamp
    GM1708726Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  4. Tighten the exhaust pipe clamp at the left catalytic converter.

    Tighten:  Tighten the clamp to 44 N.m (32 lb ft).

  5. Install the exhaust muffler to right catalytic converter nuts.

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

  6. Lower the vehicle.
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