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.

Measure the length of each bolt. Replace any that exceed the maximum length.
Standard length

104.2-104.8 mm {4.103-4.125 in}

Maximum length

105.5 mm {4.154 in}

Fig 1: Measuring Length Of Each Bolt
Courtesy of MAZDA MOTORS CORP.
Tighten the cylinder head bolts in two or three steps in the order shown in Fig 2.
Tightening Torque

17.2-22.0 N.m {1.75-2.25 kgf.m, 12.7-16.2 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 in Fig 2 and Fig 3.
Further tighten each bolt by turning another 85-95° in the sequence as shown in Fig 2 and Fig 3.

Fig 3: Using Reference Marks To Tighten The Bolts
Courtesy of MAZDA MOTORS CORP.
Support the engine using the chain block.
Remove the No.3 engine mount rubber.