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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust System >> Repair Instructions >> Exhaust Front Pipe Replacement (LUK) >> Removal Procedure

Removal Procedure

WARNING:

Refer to Hot Exhaust System Warning .

WARNING:

Refer to Safety Glasses Warning .

  1. Disconnect the oxygen sensors after the catalytic converter.
    2. Fig 1: Front Exhaust Nuts At Rear Muffler Pipe
    GM2208041Courtesy of GENERAL MOTORS COMPANY
  2. Remove the front exhaust nuts (1) from the rear muffler pipe.
  3. Support the exhaust muffler with a suitable jack or mechanics wire.
    4. Fig 2: Lower Catalytic Converter, Nuts And Gasket
    GM2208056Courtesy of GENERAL MOTORS COMPANY
  4. Remove the nuts (1) and gasket (2) from the lower catalytic converter.
    5. Fig 3: Front Exhaust Pipe Hanger Bracket And Bolts
    GM2208038Courtesy of GENERAL MOTORS COMPANY
  5. Remove the bolts (1) from the front exhaust pipe hanger bracket (2).
    6. Fig 4: Front Exhaust Pipe Components
    GM2208035Courtesy of GENERAL MOTORS COMPANY
  6. Carefully lower the front exhaust pipe (3).
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