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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 3.5L Engine (Service Information) >> Manifolds >> MANIFOLD, Exhaust, Left >> Installation >> Left Exhaust Manifold

Left Exhaust Manifold

Fig 1: LEFT EXHAUST MANIFOLD
GC0081745Courtesy of CHRYSLER LLC
  1. Clean the gasket surfaces.
    NOTE: If replacing the exhaust manifold, tighten the exhaust outlet studs to 39 N.m (29 ft. lbs.).
  2. Position the exhaust manifold (7) and gasket (1). Install the retaining bolts (2). Tighten the bolts starting at the center working outward to 23 N.m (17 ft. lbs.).
    Fig 2: LH CATALYTIC CONVERTER
    GC0080046Courtesy of CHRYSLER LLC
  3. Connect the catalytic converter to the exhaust manifold. Tighten the ball flange nuts (1) to 34 N.m (25 ft. lbs.).
    Fig 3: LEFT EXHAUST MANIFOLD
    GC0081745Courtesy of CHRYSLER LLC
  4. Install the upper (5) and lower (6) exhaust manifold heatshield with two bolts. Tighten the bolts to 12 N.m (105 in.lbs.).
    Fig 4: Engine Mount Bracket
    GC0095553Courtesy of CHRYSLER LLC
  5. Install the engine mount bracket (2) with three bolts (1). Tighten the bolts to 70 N.m (52 ft. lbs.).
  6. Install the engine mount. See Engine/Engine Mounting/INSULATOR, Engine Mount - Installation 
  7. Install the upstream oxygen sensor. Refer to Fuel System/Fuel Injection/SENSOR, Oxygen - Installation
  8. Install the upper two exhaust manifold heat shield nuts. Tighten nuts to 8 N.m (73 in.lbs.).
  9. Connect the negative battery cable.
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