Cylinder Head Assembly: Service and Repair
Cylinder HeadREMOVAL
1) Remove the engine from vehicle.
2) Remove the crank pulley.
3) Remove the chain cover.
4) Remove the timing chain assembly.
5) Remove the cam sprocket.
6) Remove the crank sprocket.
7) Remove the camshaft.
8) Remove the seal bolt shown in the figure.
9) Remove the cylinder head bolts in the numerical order as shown in the figure.
NOTE:
Leave bolts (2) and (4) engaged by three or four threads to prevent the cylinder head from falling.
10) While tapping the cylinder head with a plastic hammer, separate it from cylinder block.
11) Remove the bolts (2) and (4) to remove cylinder head.
12) Remove the cylinder head gasket.
CAUTION:
Be careful not to scratch the mating surface of cylinder head and cylinder block.
13) Similarly, remove the cylinder head (RH).
INSTALLATION
1) Apply liquid gasket to the mating surface of cylinder block shown in the figure.
NOTE:
^ Install within 5 min. after applying liquid gasket.
^ Do not apply liquid gasket excessively. If too much is applied, remove any liquid gasket that is squeezed out.
Liquid gasket:
THREE BOND 1217G (Part No. K0877Y0100) or equivalent
Liquid gasket applying diameter:
3.5±1.0 mm (0.138±0.039 in)
^ LH side
^ RH side
2) Install the cylinder head gaskets LH and RH onto the cylinder block.
NOTE:
Use a new cylinder head gasket.
3) Apply liquid gasket to the mating surface of cylinder head gasket shown in the figure.
NOTE:
^ Install within 5 min. after applying liquid gasket.
^ Do not apply liquid gasket excessively. If too much is applied, remove any liquid gasket that is squeezed out.
Liquid gasket:
THREE BOND 1217G (Part No. K0877Y0100) or equivalent
Liquid gasket applying diameter:
3.5±1.0 mm (0.138±0.039 in)
^ LH side
^ RH side
4) Attach the cylinder head to the cylinder block.
CAUTION:
Be careful not to scratch the mating surface of cylinder head and cylinder block.
5) Tighten the cylinder head bolts.
(1) Apply a thin coat of engine oil to washers and cylinder head bolt threads.
(2) Mount the cylinder head onto the cylinder block, then tighten the bolts with a torque of 20 Nm (2.0 kgf-m, 14.8 ft-lb) in the order indicated in the figure.
(3) Tighten the bolts with a torque of 50 Nm (5.1 kgf-m, 36.9 ft-lb) in the order indicated in the figure.
(4) Loosen all the bolts by 180° in the reverse order of installing, and loosen them further by 180°.
(5) Tighten the bolts with torque of 20 Nm (2.0 kgf-m, 14.8 ft-lb) in numerical sequence as shown in the figure.
(6) Tighten the bolts (1) - (4) in the order indicated with a torque of 48 Nm (4.9 kgf-m, 35.4 ft-lb).
(7) Tighten the bolts (5) - (8) in the order indicated with a torque of 44 Nm (4.5 kgf-m, 32.5 ft-lb).
(8) Tighten all bolts 90° in the numerical order as shown in the figure.
(9) Tighten the bolt (1) - (4) by 45° in the numerical order.
6) Install the seal bolt shown in the figure.
NOTE:
Before installing seal bolts, apply a sealing material to bolt threads.
Seal material:
THREE BOND 1324 (Part No. 004403042) or equivalent
Tightening torque:
6.4 Nm (0.7 kgf-m, 4.7 ft-lb)
7) Install the camshaft.
8) Install the crank sprocket.
9) Install the cam sprocket.
10) Install the timing chain assembly.
11) Install the chain cover.
12) Install the crank pulley.
13) Install the engine to the vehicle.