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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 228 (Exhaust System) >> Repair Instructions >> Exhaust Rear Muffler Rear Hanger Replacement (Aluminum Design) >> 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.

NOTE:

When replacing a steel exhaust rear muffler insulator with an aluminum exhaust rear muffler insulator, the aluminum exhaust rear muffler insulator must be replaced in pairs.

  1. Remove Lifting and Jacking the Vehicle. Refer to Lifting and Jacking the Vehicle (ATS)Lifting and Jacking the Vehicle (ATS-V)
  2. Remove Rear Bumper Fascia.Rear Bumper Fascia Replacement
  3. Fig 1: Exhaust Rod
    GM4180527Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The exhaust muffler rod must be cut prior to removing the exhaust rear muffler insulator to avoid damage to the rubber insulator.

  4. Cut the flared section of the exhaust rod at the location shown. (1)
  5. Fig 2: Exhaust Rear Muffler Rear Hanger
    GM4180526Courtesy of GENERAL MOTORS COMPANY
  6. Remove Exhaust Rear Muffler Rear Hanger Fastener (1)
  7. Remove Exhaust Rear Muffler Insulator (2)