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Exhaust Manifold Installation Note

WARNING: This page is about a different car, the 2014 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
  1. Temporarily tighten the exhaust manifold installation nuts (1) and (2) shown in the figure by hand.
  2. Tighten the exhaust manifold installation nuts (1) and (2) shown in the figure to 33-53 N.m {3.4 5.4 kgf.m, 25-39 ft.lbf}  .
    Fig 1: Identifying Exhaust Manifold Installation Nuts
    G09074419Courtesy of MAZDA MOTORS CORP.
  3. Temporarily tighten the exhaust manifold installation nuts (3) to (5) shown in the figure by hand.
  4. Tighten the exhaust manifold installation nuts (3) to (5) shown in the figure.

    Exhaust manifold installation nut tightening torque 43-64 N.m {4.4-6.5 kgf.m, 32-47 ft.lbf} 

    Fig 2: Exhaust Manifold Installation Nuts Tightening Sequence
    G09074420Courtesy of MAZDA MOTORS CORP.
  5. Tighten the exhaust manifold installation nuts (1) and (2) shown in the figure.

    Exhaust manifold installation nut tightening torque 43-64 N.m {4.4-6.5 kgf.m, 32-47 ft.lbf} 

  6. Temporarily tighten the bolts (6) and (7) shown in the figure.
  7. Tighten the bolt (6) shown in the figure.

    Exhaust manifold installation bolt tightening torque 38-51 N.m {3.9-5.2 kgf.m, 29-37 ft.lbf} 

  8. Tighten the bolt (7) shown in the figure.

    Exhaust manifold installation bolt tightening torque 38-51 N.m {3.9-5.2 kgf.m, 29-37 ft.lbf} 

    Fig 3: Exhaust Manifold Nuts With Tightening Sequence
    G09074421Courtesy of MAZDA MOTORS CORP.