Removal and Installation

REMOVAL
1. Perform fuel system pressure release procedure before attempting any repairs.
2. Disconnect negative battery cable. Drain cooling system.
3. Remove air cleaner and disconnect all vacuum lines, electrical wiring and fuel lines from throttle body.
4. Remove throttle linkage.
5. Remove accessory drive belts.
6. Remove power brake vacuum hose from intake manifold.
7. Raise vehicle and remove exhaust pipe from manifold
8. Remove power steering pump assembly and set aside.
9. Disconnect coil pack wiring connector and remove coil pack and plug wires from engine.
10. Remove cam sensor and fuel injectors wiring connectors.
11. Remove timing belt and camshaft sprocket.
12. Remove timing belt idler pulley and rear timing belt cover.
13. Remove cylinder head cover using procedure outlined in this section.
14. Remove camshafts and cam followers.
15. Remove cylinder head bolts and remove cylinder head from engine block.
16. Inspect and clean cylinder head.

INSTALLATION

Checking Bolts For Stretching (Necking):

NOTE: The Cylinder head bolts should be examined BEFORE reuse. If the threads are necked down, the bolts should be replaced. Necking can be checked by holding a scale or straight edge against the threads. If all the threads do not contact the scale the bolt should be replaced.

1. Before installing the bolts, the threads should be coated with engine oil.

Cylinder Head Tightening Sequence:

2. Tighten the cylinder head bolts in the sequence shown in image. Using the 4 step torque turn method, tighten according to the following values:
- First All to 34 Nm (25 ft. lbs.)
- Second All to 68 Nm (50 ft. lbs.)
- Third All to 68 Nm (50 ft. lbs.)

CAUTION: Do not use a torque wrench for the following step.

- Fourth Turn an additional 1/4 Turn

3. Install camshafts and cam followers.
4. Install cylinder head cover using procedure outlined in this section.
5. Install rear timing belt cover and timing belt idler pulley.
6. Install timing belt and camshaft sprocket.
7. Install cam sensor and fuel injectors wiring connectors.
8. Install coil pack and plug wires onto the engine. Connect coil pack wiring connector.
9. Install power steering pump assembly.
10. Raise vehicle and install the exhaust pipe to the manifold.
11. Install power brake vacuum hose to the intake manifold.
12. Install accessory drive belts.
13. Install throttle linkage.
14. Install air cleaner and connect all vacuum lines, electrical wiring and fuel lines to the throttle body.
15. Fill cooling system. Connect negative battery cable.