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Home >> Buick >> 2017 >> Encore Base >> Repair and Diagnosis >> Engine Mechanical >> Exhaust System >> Repair Instructions >> Exhaust Front Pipe Replacement (LUV) >> Installation Procedure
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Installation Procedure

    Fig 1: Catalytic Converter
    GM2192214Courtesy of GENERAL MOTORS COMPANY
  1. Install the exhaust front pipe (3) to the catalytic converter with a NEW gasket (1) and hand tighten the fasteners (2).
    2. Fig 2: Catalytic Converter And Exhaust Front Pipe
    GM2885882Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Flex Decoupler Caution .

    CAUTION:

    Refer to Fastener Caution .

  2. Install the exhaust front pipe (5) to the warm up 3 way catalytic converter (3) with a NEW gasket (2) and tighten the fasteners (4) to 17 N.m (13 lb ft).
    3. Fig 3: Catalytic Converter
    GM2192214Courtesy of GENERAL MOTORS COMPANY
  3. Tighten the exhaust front pipe fasteners (2) to 22 N.m (16 lb ft).
  4. Connect the heated oxygen sensor - position 2 to the engine wiring harness.
  5. Start the engine and check for exhaust leaks.
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