Cylinder Head Installation Note

WARNING: This page is about a different car, the 2004 Mazda 3. 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: Measuring Cylinder Head Bolt Length
Courtesy of MAZDA MOTORS CORP.
Tighten the cylinder head bolts in the order shown with the following 5 steps using the SST (49 D032 316) .
Tightening Torque
1. 3-11 N.m {30.6-112 kgf.cm, 27.6-97.3 in.lbf}
2. 13-17 N.m {1.4-1.7 kgf.m, 9.59-12.5 ft.lbf}
3. 43-47 N.m {4.4-4.7 kgf.m, 31.8-34.6 ft.lbf}
4. 88°-92°
5. 88°-92°
Fig 2: Cylinder Head Bolt Tightening Sequence
Courtesy of MAZDA MOTORS CORP.