Exhaust manifold installation note

Temporarily tighten the exhaust manifold installation nuts (1) and (2) shown in the figure by hand.

Fig 1: Exhaust Manifold Tightening Sequence
Courtesy of MAZDA MOTORS CORP.
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}.
Temporarily tighten the exhaust manifold installation nuts (3) to (5) shown in the figure by hand.

Fig 2: Exhaust Manifold Tightening Sequence
Courtesy of MAZDA MOTORS CORP.
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}
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.

Fig 3: Tightening Exhaust Manifold Bolts
Courtesy of MAZDA MOTORS CORP.
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}