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Home >> Buick >> 2019 >> Regal Base >> Repair and Diagnosis >> Engine Mechanical >> Exhaust System >> Repair Instructions >> Exhaust Manifold Replacement >> Installation Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Installation Procedure

  1. Clean all mating surfaces.
  2. GM2865081Courtesy of GENERAL MOTORS COMPANY

    Install the exhaust manifold (3) to the cylinder head with a NEW gasket (2).

  3. NOTE:

    Fasteners have adhesive patch and must be tightened to final torque within 5 minutes.

  4. Install NEW fasteners (1) and hand tighten.
  5. Fig 1: Identifying Exhaust Manifold Bolts With Tightening Sequence
    GM2769474Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    Tighten the exhaust manifold fasteners in 3 passes in the sequence shown to 20 N.m (15 lb ft).

  6. Install the exhaust manifold brace. Refer to Exhaust Manifold Brace Replacement .
  7. Install the turbocharger. Refer to Compressor Air Intake Turbocharger Replacement .
  8. Install the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement (2.0L LTG) .