Cylinder Head Installation Note

WARNING: This page is about a different car, the 2002 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.

Before installation, measure the length of each bolt. Replace any that exceed the maximum length.
Standard Length

131.2-131.8 mm {5.166-5.188 in}

Maximum Length

132.5 mm {5.217 in}

Fig 1: Measuring Cylinder Head Bolts
Courtesy of MAZDA MOTORS CORP.
Tighten the bolts in two or three steps in the order shown.
Tightening Torque

23.1-25.9 N.m {2.35-2.65 kgf.m, 17.0-19.1 ft.lbf}

Fig 2: Cylinder Head Bolts Tightening Sequence
Courtesy of MAZDA MOTORS CORP.
Put a paint mark on each bolt head.
Using the marks as a reference, tighten the bolts by turning each 85-95° in the sequence shown.
Further tighten each bolt by turning another 85-95° in the sequence shown.

Fig 3: Tightening Cylinder Head Bolts
Courtesy of MAZDA MOTORS CORP.
Support the engine using the chain block.
Remove the No. 3 engine mount rubber.