Camshaft Installation Note

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Apply the gear oil (SAE No. 90 or equivalent) to each journal of the cylinder head as shown in the figure.

Fig 1: Applying Gear Oil To Cylinder Head Journals

Courtesy of MAZDA MOTORS CORP.

Set the cam position of No. 1 cylinder at the top dead center (TDC) and install the camshaft.
Apply the gear oil (SAE No. 90 or equivalent) to each journal of the camshaft as shown in the figure.

Fig 2: Applying Gear Oil To Camshaft Journals

Courtesy of MAZDA MOTORS CORP.

Temporarily tighten the camshaft cap bolts evenly in 2-3 steps.
Tighten the camshaft cap bolts in the order shown in the following two steps.
Tightening torque
1. 5.0-9.0 N.m {51-91 kgf.cm, 45-79 in.lbf}
2. 14-17 N.m {1.5-1.7 kgf.m, 11-12 ft.lbf}
  
  Fig 3: Identifying Camshaft Cap Bolt Tightening Sequence
  Courtesy of MAZDA MOTORS CORP.