Cylinder Head 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.

Measure the length of each cylinder head bolt.

Fig 1: Identifying Cylinder Head Bolt Length
Courtesy of MAZDA MOTORS CORP.
- Replace any that exceeds maximum length.
Cylinder Head Bolt Length L

145.2-145.8 mm {5.717-5.740 in}

Cylinder Head Bolt Maximum

146.5 mm {5.767 in}
Tighten the cylinder head bolts in the order shown in the following 5 steps using the SST (49 D032 316) .
Tightening torque
1. 3-11 N.m {31-112 kgf.cm, 27-97 in.lbf}
2. 13-17 N.m {133-173 kgf.cm, 116-150 in.lbf}
3. 43-47 N.m {4.4-4.7 kgf.m, 32-34 ft.lbf}
4. 88-92°
5. 88-92°
  
  Fig 2: Identifying Cylinder Head Bolt Tightening Sequence
  Courtesy of MAZDA MOTORS CORP.