Cylinder Head Installation

INSTALLATION





1. PLACE CYLINDER HEAD ON CYLINDER BLOCK
a. Place 2 new cylinder head gaskets in position on the cylinder block.

NOTICE: Be careful of the installation direction.

b. Place the 2 cylinder heads in position on the cylinder head gaskets.
2. INSTALL 12 POINTED HEAD CYLINDER HEAD BOLTS

HINT:
^ The cylinder head bolts are tightened in 2 progressive steps (steps (c) and (e)).
^ If any bolt is broken or deformed, replace it.

a. Apply a light coat of engine oil on the threads and under the heads of the cylinder head bolts.
b. Install the plate washer to the cylinder head bolt.





c. Install and uniformly tighten the cylinder head bolts on each cylinder head, in several passes, in the sequence shown, then repeat for the other side, as shown.

Torque: 54 Nm (40 ft. lbs.)

If any of the cylinder head bolts does not meet the torque specification, replace the cylinder head bolt.





d. Mark the front of the cylinder head bolt head with paint.
e. Retighten the cylinder head bolts by 90° in the numerical order shown.
f. Check that the painted mark is now at a 90° angle to the front.

3. INSTALL RECESSED HEAD CYLINDER HEAD BOLTS
a. Apply a light coat of engine oil on the threads and under the heads of the cylinder head bolts.





b. Using an 8 mm hexagon wrench, install the cylinder head bolt on each cylinder head, then repeat for the other side, as shown.

Torque: 18.5 Nm (13 ft. lbs.)

4. ASSEMBLE EXHAUST CAMSHAFTS





a. Mount the hexagonal wrench head portion of the camshaft in a vise.

NOTICE: Be careful not to damage the camshaft.





b. Install these parts:
1) Camshaft gear spring
2) Camshaft sub-gear

HINT: Attach the pins on the gears to the gear spring ends.

3) Wave washer





c. Using snap ring pliers, install the snap ring.





d. Using Special Service Tool (SST), align the holes of the camshaft main gear and sub-gear by turning camshaft sub-gear counter clock wise, and temporarily install a service bolt.
SST 09960-10010 (09962-01000, 09963-00500)
e. Align the gear teeth of the main gear and sub-gear, and tighten the service bolt.
5. INSTALL CAMSHAFTS OF RH CYLINDER HEAD

NOTICE: Since the thrust clearance of the camshaft is small, the camshaft must be held level while it is being installed. If the camshaft is not level, the portion of the cylinder head receiving the shaft thrust may crack or be damaged, causing the camshaft to seize or break. To avoid this, the following steps should be carried out.

a. Install the exhaust camshaft.
1) Apply new engine oil to the thrust portion and journal of the camshaft.





2) Place the exhaust camshaft at 90° angle of timing mark (2 dot marks) on the cylinder head.
3) Apply MP grease to a new oil seal lip.





4) Install the oil seal to the camshaft.
5) Remove any old packing Formed In Place Gasket (FIPG) material.





6) Apply seal packing to the No.1 bearing cap as shown.
Seal packing: Part No. 08826-00080 or equivalent





7) Install the 5 bearing caps in their proper locations.
8) Apply a light coat of engine oil on the threads and under the heads of the bearing cap bolts.





9) Install and uniformly tighten the 10 bearing cap bolts, in several passes, in the sequence shown.

Torque: 16 Nm (12 ft. lbs.)





b. Install the intake camshaft.
1) Apply new engine oil to the thrust portion and journal of the camshaft.
2) Align the timing marks (2 dot marks) of the camshaft drive and driven gears.
3) Place the intake camshaft on the cylinder head.




4) Install the 5 bearing caps in their proper locations.
5) Apply a light coat of engine oil on the threads and under the heads of the bearing cap bolts.

Intake:

6) Install and uniformly tighten the 10 bearing cap bolts, in several passes, in the sequence shown.

Torque: 16 Nm (12 ft. lbs.)





7) Remove the service bolt.
6. INSTALL CAMSHAFTS OF LH CYLINDER HEAD

NOTICE: Since the thrust clearance of the camshaft is small, the camshaft must be held level while it is being installed. If the camshaft is not level, the portion of the cylinder head receiving the shaft thrust may crack or be damaged, causing the camshaft to seize or break. To avoid this, the following steps should be carried out.

a. Install the exhaust camshaft.
1) Apply new engine oil to the thrust portion and journal of the camshaft.





2) Place the exhaust camshaft at 90° angle of timing mark (1 dot mark) on the cylinder head.
3) Apply MP grease to a new oil seal lip.





4) Install the oil seal to the camshaft.
5) Remove any old packing (FIPG) material.





6) Apply seal packing to the No.1 bearing cap as shown.
Seal packing: Part No. 08826-00080 or equivalent





7) Install the 5 bearing caps in their proper locations.
8) Apply a light coat of engine oil on the threads and under the heads of the bearing cap bolts.





9) Install and uniformly tighten the 10 bearing cap bolts, in several passes, in the sequence shown.

Torque: 16 Nm (12 ft. lbs.)

b. Install the intake camshaft.
1) Apply new engine oil to the thrust portion and journal of the camshaft.





2) Align the timing marks (1 dot mark) of the camshaft drive and driven gears.
3) Place the intake camshaft on the cylinder head.





4) Install the 5 bearing caps in their proper locations.
5) Apply a light coat of engine oil on the threads and under the heads of bearing cap bolts.





6) Install and uniformly tighten the 10 bearing cap bolts, in several passes, in the sequence shown.

Torque: 16 Nm (12 ft. lbs.)





7) Remove the service bolt.
7. CHECK AND ADJUST VALVE CLEARANCE
Turn the camshaft and position the cam lobe upward, and check and adjust the valve clearance.
8. INSTALL SEMICIRCULAR PLUGS
a. Remove any old packing (FIPG) material.





b. Apply seal packing to the semi-circular plug grooves.
Seal packing: Part No. 08826-00080 or equivalent





c. Install the 4 semi-circular plugs to the cylinder heads.
9. INSTALL CYLINDER HEAD COVERS





a. Apply seal packing to the cylinder heads as shown in the illustration.
Seal packing: Part No. 08826-00080 or equivalent
b. Install the gasket to the cylinder head cover.
c. Install the cylinder head cover with the 8 bolts. Uniformly tighten the bolts in several passes. Install the 2 cylinder head covers.

Torque: 8 Nm (69 inch lbs.)

10. INSTALL RH EXHAUST MANIFOLD





a. Install a new gasket and the exhaust manifold with the 6 nuts. Uniformly tighten the nuts in several passes.

Torque: 49 Nm (36 ft. lbs.)

b. Install the heat insulator with 3 bolts.
c. Connect the oxygen sensor (bank 1 sensor 1) connector.
11. INSTALL PS PUMP BRACKET

Torque: 43 Nm (32 ft. lbs.)





12. INSTALL OIL DIPSTICK AND GUIDE
a. Install a new O-ring to the dipstick guide.
b. Apply soapy water to the O-ring.
c. Push in the dipstick guide end into the guide hole of the No.1 oil pan.
d. Install the dipstick guide with the bolt.

Torque: 8 Nm (69 inch lbs.)

e. Install the dipstick.
13. INSTALL CAMSHAFT POSITION SENSOR





14. INSTALL LH EXHAUST MANIFOLD
a. Install a new gasket and the exhaust manifold with the 6 nuts. Uniformly tighten the nuts in several passes.

Torque: 49 Nm (36 ft. lbs.)

b. Install the exhaust manifold stay with the bolt and nut. Alternately tighten the bolt and nut.

Torque: 20 Nm (14 ft. lbs.)

c. Install the heat insulator with 3 bolts.
d. Connect the oxygen sensor (bank 2 sensor 1) connector.





15. INSTALL WATER INLET PIPE
a. Install a new O-ring to the water inlet pipe.
b. Apply soapy water to the O-ring.
c. Connect the water inlet pipe to the water inlet.
d. Install the bolt holding the water inlet pipe to the cylinder head.

Torque: 19.5 Nm (14 ft. lbs.)

16. INSTALL CYLINDER HEAD REAR PLATE

Torque: 8 Nm (69 inch lbs.)

17. INSTALL ENGINE WIRE PROTECTOR
18. INSTALL NO.3 TIMING BELT COVER
a. Check that the timing belt cover gaskets have no cracks or peeling, etc.
If the gaskets have cracks or peeling etc., replace them using these steps:
- Using a screwdriver and gasket scraper, remove all the old gasket material.
- Thoroughly clean all components to remove all the loose material.





- Remove the backing paper from a new gasket and install the gasket evenly to the part of the timing belt cover shaded black in the illustration.

NOTICE: When joining 2 gaskets, do not leave a gap between them. Cut off any excess gasket.

- After installing the gasket, press down on it so that the adhesive firmly sticks to the timing belt cover.

b. Install the timing belt cover with the 6 bolts.

Torque: 8.5 Nm (74 inch lbs.)

c. Install the 3 engine wire clamps to the timing belt cover.
19. INSTALL NO.2 IDLER PULLEY
20. INSTALL CAMSHAFT TIMING PULLEYS
21. INSTALL TIMING BELT
22. INSTALL SPARK PLUGS
23. INSTALL IGNITION COILS
24. INSTALL PS PUMP DRIVE BELT
25. INSTALL GENERATOR DRIVE BELT





26. INSTALL WATER OUTLET
a. Install 2 new gaskets.
b. Connect the water outlet to the bypass hose.
c. Install the water outlet with the 2 bolts, 2 nuts and 2 plated washers. Alternately tighten the bolts and nuts.

Torque: 15 Nm (11 ft. lbs.)

NOTICE: Do not scratch the seal surface of the water outlet with the stud bolt.

d. Connect these connectors and hoses:
- Engine Coolant Temperature (ECT) sender gauge connector
- ECT sensor connector
- Ground strap connector
- Radiator hose
- Engine coolant reservoir hose





27. INSTALL INTAKE MANIFOLD ASSEMBLY
a. Install the intake manifold, delivery pipe and injectors assembly with the 9 bolts, 2 plate washers and 2 nuts. Uniformly tighten the bolts and nuts, in several passes, in the sequence shown.

Torque: 15 Nm (11 ft. lbs.)

b. Connect these hoses:
- Fuel inlet hose to fuel
Connect the fuel inlet hose with 2 new gaskets and the union bolts.

Torque: 29 Nm (21 ft. lbs.)

- Heater hose to intake manifold
28. RETIGHTEN WATER OUTLET MOUNTING BOLTS AND NUTS
Tighten the 2 bolts and 2 nuts.

Torque: 15 Nm (11 ft. lbs.)

29. INSTALL AIR INTAKE CHAMBER ASSEMBLY





a. Using an 8 mm hexagon wrench, install a new gasket and the air intake chamber assembly with the 2 bolts and 2 nuts. Uniformly tighten the bolts and nuts in several passes.

Torque: 43 Nm (32 ft. lbs.)





b. Install the No.1 engine hanger with the 2 bolts.

Torque: 39 Nm (19 ft. lbs.)

c. Install the air intake chamber stay with the 2 bolts.

Torque: 19.5 Nm (14 ft. lbs.)

d. Connect the hoses, cables, strap and clamp:
- PCV hose to PCV valve on RH cylinder head
- Ground strap and cable to intake air control valve for Acoustic Control Induction System (ACIS)
Connect the ground cable and strap with the nut.

Torque: 14.5 Nm (10 ft. lbs.)

- Ground cable to air intake chamber
- Brake booster vacuum hose to air intake chamber
- 2 water bypass hoses to throttle body
- Air assist hose to throttle body
- Purge hose to pipe on emission control valve set
- 2 vacuum hoses to vacuum tank for ACIS
- Engine wire clamp to emission control valve set

e. Install the PS pressure tube with the nut.
f. Connect these connectors and cables:
- Throttle position sensor connector
- Idle Air Control (IAC) valve connector
- Vacuum Switching Valve (VSV) connector for ACIS
- VSV connector for EVAP
- Accelerator cable
- A/T throttle cable

30. INSTALL HIGH-TENSION CORD SET
31. INSTALL V-BANK COVER
32. INSTALL RH ENGINE MOUNTING STAY
33. INSTALL FRONT EXHAUST PIPE
34. INSTALL AIR CLEANER CAP WITH HOSE
35. FILL WITH ENGINE COOLANT
36. INSTALL OUTER FR COWL TOP PANEL ASSEMBLY
37. START ENGINE AND CHECK FOR LEAKS
38. VEHICLE ROAD TEST
Check for abnormal noise, shock, slippage, correct shift points and smoothly operation.
39. RECHECK ENGINE COOLANT LEVEL
40. INSTALL RH FENDER APRON SEAL