Caution: Refer to Safety Glasses Caution in the Preface section.
- Coat the valve stems with engine oil.
- Insert the valves in the cylinder head in their original positions.
- Insert the valve spring seats.
Caution: Refer to Compressed Valve Spring Caution in the Preface section.
- Push the accompanying assembly sleeve onto the valve stem.
- Insert the new valve stem seat.
- Carefully drive the valve stem seal onto the stop with light taps.
- Install the valve springs in their original positions.
- Install the valve springs caps.
- Compress the valve springs with the
J 8062
(1) and
KM-653-A
(2).
- Install the valve retainers.
- Remove the
J 8062
(1) and
KM-653-A
(2).
- Lubricate the valve lash adjusters with engine oil.
- Install the valve lash adjusters.
- Install the intake camshaft.
- Install the intake camshaft bearing caps in their original positions.
- Install the exhaust camshaft.
- Install the exhaust camshaft bearing caps in their original positions.
- Install the camshaft bearing cap bolts.
Notice: Refer to Fastener Notice in the Preface section.
- Tighten the camshaft bearing cap bolts gradually and in the sequence shown for each camshaft cap.
Tighten
Tighten the camshaft bearing cap bolts to 8 N·m (71 lb in).
- Install the spark plugs.
Tighten
Tighten the spark plugs to 25 N·m (18 lb ft).
- Install the (DIS) coil and exhaust gas recirculation (EGR) mounting bracket and bolt.
Tighten
• | Tighten the left lower side to 25 N·m (18 lb ft). |
• | Tighten all others to 30 N·m (22 lb ft). |
- Install the ignition coil and EGR.
Tighten
• | Tighten the ignition coil and EGR to 10 N·m (89 lb ft). |
• | Tighten the EGR valve bolts to 20 N·m (15 lb ft). |
- Install the intake manifold studs.
- Install the intake manifold gasket.
- 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 18 N·m (13 lb ft).
- Install the fuel rail assembly. Refer to
Fuel Injection Fuel Rail Assembly Replacement
.
- Install the thermostat housing assembly.
- Install the thermostat housing mounting bolts.
Tighten
Tighten the thermostat housing mounting bolts to 15 N·m (11 lb ft).
- Install the coolant bypass housing bolts.
Tighten
Tighten the coolant bypass housing bolts to 15 N·m (11 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 the exhaust manifold nuts in the following sequence: 9, 10, 6, 5, 8, 7, 2, 1, 3, 4.
Tighten
• | Tighten the first stage exhaust manifold nuts to 13 N·m (10 lb ft). |
• | Tighten the second stage exhaust manifold nuts to 13 N·m(10 lb ft). |
• | Tighten the third stage exhaust manifold nuts to 15 N·m(11 lb ft). |
• | Tighten the fourth stage exhaust manifold nuts to 15 N·m(11 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 in).
- Install the cylinder head with the intake manifold and the exhaust manifold attached. Refer to
Cylinder Head Replacement
.