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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 228 (Exhaust System) >> Repair Instructions >> Exhaust Muffler Replacement (LTG) >> 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:

Refer to Moving Parts and Hot Surfaces Warning .

WARNING:

Refer to Safety Glasses Warning .

  1. Remove Exhaust Rear Muffler Rear Hanger. Exhaust Rear Muffler Rear Hanger Replacement (Steel Design) Exhaust Rear Muffler Rear Hanger Replacement (Aluminum Design) 
    2. Fig 1: Floor Panel Number 4 Bar
    GM4298732Courtesy of GENERAL MOTORS COMPANY
  2. Remove Floor Panel Number 4 Bar Fastener (1)
  3. Remove Floor Panel Number 4 Bar (2)
  4. Support the exhaust system.
    5. Fig 2: Catalytic Converter Nuts And Gasket
    GM4203585Courtesy of GENERAL MOTORS COMPANY
  5. Remove Catalytic Converter Nut (1)
  6. Remove Exhaust Gasket (2) and DISCARD
  7. Remove Exhaust Muffler Assembly (3)
    8. Fig 3: Exhaust Muffler Isolator
    GM4203587Courtesy of GENERAL MOTORS COMPANY
  8. Remove Exhaust Muffler Isolator (1)
  9. Remove Exhaust Muffler Assembly (2)
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