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Home › Chevrolet › 2014 › Impala LS › Repair and Diagnosis › Engine Mechanical › Engine Exhaust System › Repair Instructions › Front Pipe Replacement (LKW) › Removal Procedure

Removal Procedure

WARNING:

Refer to Hot Exhaust System Warning .

WARNING:

Refer to Safety Glasses Warning .

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Disconnect the oxygen sensor after the catalytic converter.
    3. Fig 1: Identifying Exhaust System Components
    GM2908494Courtesy of GENERAL MOTORS COMPANY
  3. Remove the front exhaust pipe fasteners (1) from the rear muffler pipe (3) and discard the exhaust gasket (2).
  4. Support the exhaust muffler (3) with a suitable jack or mechanics wire.
  5. Support the drivetrain and front suspension with a suitable jack.
    6. Fig 2: Front Hanger Bracket & Fasteners
    GM2908493Courtesy of GENERAL MOTORS COMPANY
  6. Remove the front hanger exhaust isolator fasteners (1) from the front hanger bracket (2).
    7. Fig 3: Front Suspension Supports & Fasteners
    GM2761597Courtesy of GENERAL MOTORS COMPANY
  7. Loosen the drivetrain and front suspension support fasteners (1).
  8. Remove the drivetrain and front suspension support fasteners (2).
  9. Support the rear of the exhaust front pipe with mechanics wire.
  10. Rotate the drivetrain and front suspension supports (3) away from the front hanger bracket.
    11. Fig 4: Exhaust Front Pipe & Bracket Fastener
    GM2908498Courtesy of GENERAL MOTORS COMPANY
  11. Remove the exhaust front pipe bracket fastener (1).
    12. Fig 5: Exhaust Front Pipe, Gasket & Fasteners
    GM2908496Courtesy of GENERAL MOTORS COMPANY
  12. Remove the catalytic converter fasteners (1) and remove the remove the exhaust front pipe (4) from the catalytic converter.
  13. Discard the exhaust front pipe gasket (3).
    14. Fig 6: Exhaust Front Pipe
    GM2908491Courtesy of GENERAL MOTORS COMPANY
  14. Lower the exhaust front pipe (1) to the floor.
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