Cylinder Head Installation Note
WARNING: This page is about a different variant/trim than selected.
- Inspect the length of the cylinder head bolt.
- If it exceeded the limit value, replace the cylinder head bolt.
SYMBOL AND CONTENT DESCRIPTIONSymbol Content Standard:
145.2-145.8 mm {5.717-5.740 in}Maximum:
146.5 mm {5.768 in} - When reusing cylinder head bolts, apply engine oil to one of the following:
- Bolt seating surface
- Cylinder head seating surface
- Completely remove any oil, dirt, and sealant adhering to the cylinder block.CAUTION:
- Completely remove oil, dirt, and sealant adhering to the cylinder head gasket contacting surfaces. Otherwise, a sealing malfunction may occur.
- Apply silicone sealant (TB1217D) to the locations shown in the figure below.CAUTION:
- Be aware of the following points, otherwise a sealing malfunction may occur due to hardening of the sealant.
- Set the cylinder head on the cylinder block within 10 min after the silicone sealant is applied.
- After setting the cylinder head, complete the bolt tightening immediately.
SYMBOL AND CONTENT DESCRIPTIONSymbol Content 11-15 mm {0.44-0.59 in} 2-6 mm {0.1-0.2 in} 5-9 mm {0.2-0.3 in} TB1217D
Application diameter: 5-10 mm {0.2-0.3 in} - Be aware of the following points, otherwise a sealing malfunction may occur due to hardening of the sealant.
- Install a new cylinder head gasket to the cylinder block.
- Apply silicone sealant (TB1217D) to the locations shown in the figure below.SYMBOL AND CONTENT DESCRIPTION
Symbol Content 1 Cylinder block 11-15 mm {0.44-0.59 in} 2-6 mm {0.1-0.2 in} 5-9 mm {0.2-0.3 in} TB1217D
Application diameter: 5-10 mm {0.2-0.3 in} - Set the cylinder head on the cylinder block.
- Tighten the bolts in 4 steps in the order shown in the figure below.
TIGHTENING TORQUE SPECIFICATIONS
| Symbol | Content |
|---|---|
| (1) (2)... | Servicing procedure |
| 15 N.m {1.55 kgf.m, 11.05 ft.lb} | |
| +45 N.m {4.6 kgf.m, 33.2 ft.lb} | |
| 90° |