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Home › Buick › 2019 › LaCrosse Base › Repair and Diagnosis › Engine Mechanical › Exhaust System › Repair Instructions › Exhaust Heat Shield Replacement › Installation Procedure

Installation Procedure

  1. GM4791297Courtesy of GENERAL MOTORS COMPANY

    Exhaust Heat Shield (3) - Install

    2. CAUTION:

    Refer to Fastener Caution .

  2. Exhaust Heat Shield Bolt (2) - Install and tighten [6x] 9 N.m (80 lb in)
  3. Exhaust Heat Shield Bolt (1) - Install and tighten 22 N.m (16 lb ft)
  4. GM4791292Courtesy of GENERAL MOTORS COMPANY

    Exhaust Heat Shield Retainer (1) - Install and tighten 1.5 N.m (13 lb in)

  5. GM4791286Courtesy of GENERAL MOTORS COMPANY

    Exhaust Heat Shield Retainer (1) - [2x] Install and tighten 1.5 N.m (13 lb in)

  6. GM4790617Courtesy of GENERAL MOTORS COMPANY

    Exhaust Muffler Assembly (3) - Install - Exhaust Muffler Replacement (FWD) Exhaust Muffler Replacement (AWD) Exhaust Muffler Replacement (LHN) 

  7. GM4790088Courtesy of GENERAL MOTORS COMPANY

    Exhaust Front Pipe (1) - Install - Exhaust Front Pipe Replacement (AWD) Exhaust Front Pipe Replacement (FWD) Exhaust Front Pipe Replacement (LHN) 

  8. GM4446809Courtesy of GENERAL MOTORS COMPANY

    Floor Panel Tunnel Panel Rear Brace (2) - Install - Floor Panel Tunnel Panel Rear Brace Replacement

  9. GM4449249Courtesy of GENERAL MOTORS COMPANY

    Floor Panel Tunnel Panel Front Brace (2) - Install - Floor Panel Tunnel Panel Front Brace Replacement (AWD)Floor Panel Tunnel Panel Front Brace Replacement (FWD)

  10. Lower the vehicle.
  11. Start the engine and check for exhaust leaks.
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