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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 364 (Exhaust System) >> Repair Instructions >> Exhaust Muffler Replacement (LGX) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support the vehicle. Lifting and Jacking the Vehicle
  2. Support the exhaust muffler with a suitable jack.
  3. Fig 1: Exhaust Intermediate Hanger Bolt
    GM4285373Courtesy of GENERAL MOTORS COMPANY
  4. Remove Exhaust Intermediate Hanger Bolt (1)
  5. Fig 2: Exhaust Muffler Isolator
    GM4285411Courtesy of GENERAL MOTORS COMPANY
  6. Disconnect Exhaust Muffler Isolator (1)
  7. Fig 3: Exhaust Front Pipe Nut
    GM4285330Courtesy of GENERAL MOTORS COMPANY
  8. Remove Exhaust Front Pipe Nut (1)
  9. Disconnect Exhaust Muffler Assembly (2) @Exhaust Front Pipe
  10. Remove Exhaust Gasket (3) and DISCARD
  11. Remove Exhaust Rear Muffler Rear Hanger - Exhaust Rear Muffler Rear Hanger Replacement 
  12. With the aid of an assistant, carefully remove the exhaust muffler assembly from the vehicle.