Exhaust Manifold Installation Note

Temporarily tighten the exhaust manifold installation nuts (1) and (2) shown in the figure by hand.
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: Exhaust Manifold Mounting Nuts Tightening Sequence
Courtesy of MAZDA MOTORS CORP.
Temporarily tighten the exhaust manifold installation nuts (3) to (5) shown in the figure by hand.
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 Mounting Nuts Tightening Sequence
Courtesy of MAZDA MOTORS CORP.
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}
Temporarily tighten the bolts (6) and (7) shown in the figure.
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}
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 Mounting Nuts Tightening Sequence With Torque Specifications
Courtesy of MAZDA MOTORS CORP.