LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2004 >> Impala LS >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust System >> Repair Instructions >> Muffler Replacement (Dual) >> Installation Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Installation Procedure

  1. Install the muffler to the exhaust hangers.
    2. Fig 1: Installing Dual Muffler
    GM460738Courtesy of GENERAL MOTORS CORP.
  2. Support the exhaust system.
  3. Install a new gasket to the catalytic converter and the muffler.
  4. Install the catalytic converter to the muffler. Refer to Catalytic Converter Replacement (3.4L)  or Catalytic Converter Replacement (3.8L) .
  5. Remove the exhaust system support.
  6. Lower the vehicle.
  7. Inspect for exhaust leaks.
scientia non olet · About LEMON Manuals