Cylinder Head Installation Note

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION:

If the following condition is met, replace the cylinder head bolts.

Length exceeds maximum specification

Fig 1: Identifying Cylinder Head Bolt Length

Courtesy of MAZDA MOTORS CORP.

Cylinder head bolt length L

145.2-145.8 mm {5.717-5.740 in}

Cylinder head bolt length L maximum

146.5 mm {5.767 in}

When a cylinder head bolt is reused, apply engine oil to any part of the following:
- Bolt seating surface
- Cylinder head seating surface
Tighten the cylinder head bolts in the order shown in the following 4 steps.

Fig 2: Cylinder Head Bolts Tightening Sequence
Courtesy of MAZDA MOTORS CORP.

Tightening torque
- Step 1: 13-17 N.m {133-173 kgf.cm, 116-150 in.lbf}
- Step 2: 43-47 N.m {4.4-4.7 kgf.m, 32-34 ft.lbf}
- Step 3: 85-95°
- Step 4: 85-95°
Install the chain for the SST which was set aside and secure the engine.
Remove the engine lifter or garage jack.
Remove the temporarily assembled oil pan.