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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 228 (Exhaust System) >> Repair Instructions >> Exhaust System Replacement (LGX) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:

In order to avoid being burned, do not service the exhaust system while it is still hot. Service the system when it is cool.

WARNING:

Avoid contact with HOT components. Wear safety glasses and protective gloves to avoid personal injury.

  1. Disconnect Catalytic Converter @Exhaust Muffler Assembly - Catalytic Converter Replacement - Left Side (LGX) 
  2. Disconnect Catalytic Converter @Exhaust Muffler Assembly - Catalytic Converter Replacement - Right Side (LGX) 
  3. Remove Exhaust Rear Muffler Rear Hanger - Exhaust Rear Muffler Rear Hanger Replacement (Steel Design) Exhaust Rear Muffler Rear Hanger Replacement (Aluminum Design) 
  4. Remove Floor Panel Number 4 Cross Bar Reinforcement - Floor Panel Number 4 Cross Bar Replacement
  5. Fig 1: Exhaust Muffler & Isolators
    GM2788817Courtesy of GENERAL MOTORS COMPANY
  6. Remove Exhaust Muffler Assembly (1) @Exhaust Muffler Isolator (2)
  7. With the aid of an assistant, lower the exhaust system from the vehicle.