Cylinder Head Installation Note

WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Measure the length of each cylinder head bolt.
- Replace any that exceeds maximum length.
Length L

145.2-145.8 mm {5.717-5.740 in}

Maximum

146.5 mm {5.767 in}

Fig 1: Identifying Length Of Cylinder Head Bolt
Courtesy of MAZDA MOTORS CORP.
Tighten the cylinder head bolts in the order shown following 5 steps.
1. Tighten to 3-11 N.m {30.6-112 kgf.cm, 27.6-97.3 in.lbf}
2. Tighten 13-17 N.m {1.4-1.7 kgf.m, 9.6-12.5 ft.lbf}
3. Tighten 43-47 N.m {4.4-4.7 kgf.m, 31.8-34.6 ft.lbf}
4. Tighten 88°- 92°
5. Tighten 88°- 92°
  
  Fig 2: Cylinder Head Bolt Tightening Sequence
  Courtesy of MAZDA MOTORS CORP.