- Install new valve stem seals.
- Lubricate the valve stems with engine oil.
- Carefully install the valves in their original positions. Do not damage the valve stem seals.
- Install the valve springs in their original positions.
- Install the valve spring caps.
- Compress the valve springs with
J 8062
and
KM-653-A
.
- Install the valve keys.
- Remove
J 8062
and
KM-653-A
.
- Lubricate the valve tappet adjusters with engine oil.
- Install the valve tappet adjusters.
- Install the intake camshaft.
- Install the intake camshaft caps in their original positions.
- Install the exhaust camshaft.
- Install the exhaust camshaft caps in their original positions.
- Install the camshaft cap bolts.
Notice: Refer to Fastener Notice in the Preface section.
- Tighten the camshaft cap bolts gradually and in the sequence shown for each camshaft cap.
Tighten
Tighten the camshaft cap bolts to 16 N·m (12 lb ft).
- Install the spark plugs.
Tighten
Tighten the spark plugs to 25 N·m (18 lb ft).
- Install the exhaust gas recirculation (EGR) valve adapter gasket.
- Install the EGR valve adapter.
- Install the EGR valve adapter bolts.
Tighten
Tighten the exhaust gas recirculation valve adapter bolts to 25 N·m (18 lb ft).
- Install the direct ignition system (DIS) coil mounting bracket.
- Install the DIS coil mounting bracket bolts.
Tighten
Tighten the direct ignition system coil mounting bracket bolts to 10 N·m (89 lb in).
- Install the DIS coil with the ignition wires attached.
- Install the DIS coil mounting bolts.
Tighten
Tighten the direct ignition system coil mounting bolts to 10 N·m (89 lb in).
- Install the intake manifold studs.
- Install the intake manifold.
- Install the intake manifold retaining nuts and retaining bolts in the sequence shown.
Tighten
Tighten the intake manifold retaining nuts and retaining bolts to 25 N·m (18 lb ft).
- Install the fuel rail assembly with the bolts.
Tighten
Tighten the fuel rail assembly retaining bolts to 25 N·m (18 lb ft).
- Install the thermostat housing assembly.
- Install the thermostat housing mounting bolts.
Tighten
Tighten the thermostat housing mounting bolts 20 N·m (15 lb ft).
- Install the exhaust manifold studs.
- Install the exhaust manifold gasket.
- Install the exhaust manifold.
- Install the exhaust manifold retaining nuts in the sequence shown.
Tighten
Tighten the exhaust manifold retaining nuts to 25 N·m (18 lb ft).
- Install the exhaust manifold heat shield.
- Install the exhaust manifold heat shield bolts.
Tighten
Tighten the exhaust manifold heat shield bolts to 15 N·m (11 lb ft).
- Install the coolant temperature sensor.
Tighten
Tighten the coolant temperature sensor to 20 N·m (15 lb ft).
- Install the cylinder head with the intake manifold and the exhaust manifold attached. Refer to
Cylinder Head Replacement
.