Exhaust manifold installation note

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

Fig 1: Exhaust Manifold Installation Nuts 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 Installation Nuts 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}