Removal and Replacement
CYLINDER HEAD
Removal and Installation
REMOVAL
1. Remove the timing chain. Service and Repair.
2. Remove the camshafts. Removal And Installation.
3. Remove spark plugs. Service and Repair.
4. Remove exhaust manifold. Service and Repair.
5. Remove cylinder head loosening bolts in the order as shown, using power tool.
6. Remove water outlet, if necessary. Component.
7. If necessary to transfer to new cylinder head or remove for reconditioning, remove the intake manifold and fuel tube assembly. Disassembly And Assembly.
INSPECTION AFTER REMOVAL
Outer Diameter of Cylinder Head Bolts
- Cylinder head bolts are tightened by plastic zone tightening method. Whenever the size difference between d1 and d2 exceeds the limit, replace the bolts with new ones.
Limit (d1 - d2) : 0.23 mm (0.0091 in) or less
- If reduction of outer diameter appears in a position other than d2, use it as d2 point.
INSTALLATION
1. Install a new cylinder head gasket.
2. Follow the steps below to tighten the cylinder head bolts using
Tool, in the numerical order as shown.
- Apply new engine oil to the threads and the seating surfaces of bolts.
CAUTION:
- If cylinder head bolts are re-used, check their outer diameters before installation. Follow the "Outer Diameter of
Cylinder Head Bolts" procedure.
- Check and confirm the tightening angle by using angle wrench or protractor. Avoid judgment by visual inspection without the tool.
3. Installation of the remaining components is in reverse order of removal.