Part 3
OVERHAUL (CONTINUED)45. REMOVE CAMSHAFT SUB GEAR
a. Mount the hexagonal portion of the camshaft in a vise.
NOTICE: Be careful not to damage the camshaft.
b. Using SST, turn the sub gear clockwise, and remove the service bolt.
SST 09960-10010 (09962-01000, 09963-00500)
Recommended service bolt
c. Using snap ring pliers, remove the snap ring.
d. Remove the wave washer, sub gear and gear spring.
HINT: Arrange the camshaft sub gears and gear spring (RH and LH sides).
46. INSPECT CAMSHAFTS
a. Inspect the camshaft for runout.
1 Place the camshaft on V-blocks.
2 Using a dial indicator, measure the circle runout at the center journal.
Maximum circle runout: 0.08 mm (0.0031 inch)
If the circle runout is greater than maximum, replace the camshaft.
b. Inspect the cam lobes.
1 Using a micrometer, measure the cam lobe height.
Standard cam lobe height:
Intake: 41.94 to 42.04 mm (1.6512 to 1.6551 inch)
Exhaust: 41.96 to 42.06 mm (1.6520 to 1.6559 inch)
Minimum cam lobe height:
Intake: 41.79 mm (1.6453 inch)
Exhaust: 41.81 mm (1.6461 inch)
If the cam lobe height is less than the minimum, replace the camshaft.
c. Inspect the camshaft journals.
1 Using a micrometer, measure the journal diameter.
Journal diameter: 26.954 to 26.970 mm (1.0612 to 1.0618 inch)
If the journal diameter is not as specified, check the oil clearance.
47. INSPECT CAMSHAFT TIMING TUBE ASSEMBLY
a. Using a micrometer, measure the journal diameter.
Journal diameter: 39.955 to 39.964 mm (1.5730 to 1.5734 inch)
If the journal diameter is not as specified, check the oil clearance.
b. Install the timing tube to the intake camshaft, and check that the timing tube turns smoothly. If necessary, replace the timing tube and intake camshaft.
48. INSPECT CAMSHAFT GEAR SPRING
a. Using vernier calipers, measure the gap distance of the gear spring.
Gap distance: 18.2 to 18.8 mm (0.717 to 0.740 inch)
If the gap distance is not as specified, replace the gear spring.
49. INSTALL CAMSHAFT SUB GEAR
a. Install the gear spring (1), sub gear (2) and wave washer (3)
HINT: Attach the pins on the gears to the gear spring ends.
b. Using snap ring pliers, install the snap ring.
c. Mount the hexagonal portion of the camshaft in a vise.
NOTICE: Be careful not to damage the camshaft.
d. Using SST, align the holes of the driven main gear and sub gear by turning the sub gear clockwise, and temporarily install a service bolt.
SST 09960-10010 (09962-01000, 09963-00500)
e. Align the gear teeth of the driven main gear and sub gear, and tighten the service bolt.
Recommended service bolt
50. REMOVE OIL PUMP SEAL
a. Using a screwdriver, pry out the oil seal.
NOTICE: Be careful not to damage the oil pump body. Tape the screwdriver tip.
51. INSTALL OIL PUMP SEAL
a. Using SST and a hammer, tap in a new oil seal until its surface is flush with the oil pump body edge.
SST 09316-60011 (09316-00011)
b. Apply MP grease to the oil seal lip.
52. REMOVE ENGINE REAR OIL SEAL
a. Using a screwdriver and hammer, tap out the oil seal.
53. INSTALL ENGINE REAR OIL SEAL
a. Using SST and a hammer, tap in a new oil seal until its surface is flush with the rear oil seal retainer edge.
SST 09223-56010
b. Apply MP grease to the oil seal lip.
54. INSTALL ENGINE REAR OIL SEAL RETAINER
a. Remove any old packing (FIPG) material and be careful not to drop any oil on the contact surfaces of the oil seal retainer and cylinder block.
1 Using a razor blade and gasket scraper, remove all the oil packing (FIPG) material from the gasket surfaces and sealing grooves.
2 Thoroughly clean all components to remove all the loose material.
3 Using a non-residue solvent, clean both sealing surfaces.
b. Apply seal packing to the oil seal retainer as shown in the illustration.
Seal packing: Part No. 08826-00080 or equivalent
1 Use a nozzle that has been cut to a 3 to 4 mm (0.12 to 0.16 inch) opening.
2 Parts must be assembled within 5 minutes of application. Otherwise the material must be removed and reapplied.
3 Immediately remove the nozzle from the tube and reinstall the cap.
c. Install a new O-ring to the cylinder block.
d. Install the oil seal retainer with the 7 bolts.
Torque: 8.0 Nm (82 kgf-cm, 71 inch lbs.)
55. INSTALL OIL PUMP ASSEMBLY
a. Remove any old packing (FIPG) material and be careful not to drop any oil on the contact surfaces of the oil pump and cylinder block.
1 Using a razor blade and gasket scraper, remove all the old packing (FIPG) material from the gasket surfaces and sealing groove.
2 Thoroughly clean all components to remove all the loose material.
3 Using a non-residue solvent, clean both sealing surfaces.
b. Apply seal packing to the oil pump as shown in the illustration
Seal packing: Part No. 08826-00080 or equivalent
NOTICE: Avoid applying an excessive amount to the surface, especially around the oil passage.
1 Use a nozzle that has been cut to a 2 to 3 mm (0.08 to 0.12 inch) opening.
2 Parts must be assembled within 5 minutes of application. Otherwise the material must be removed and reapplied.
3 Immediately remove the nozzle from the tube and reinstall the cap.
c. Install a new O-ring to the cylinder block.
d. Engage the spline teeth of the oil pump drive gear with the large teeth of the crankshaft, and slide the oil pump on the crankshaft.
e. Install the oil pump with a new stud bolt and the 7 bolts. Uniformly tighten the bolts diagonally.
HINT:
^ Use a 6 mm hexagon wrench to tighten the hexagon head bolt.
^ The following chart is the reference of the oil pump bolt length.
Torque:
16 Nm (160 kgf-cm, 11 ft. lbs.) for bolts A, B, C and E
31 Nm (311 kgf-cm, 23 ft. lbs.) for bolt D
56. INSTALL OIL STRAINER SUB-ASSEMBLY
a. Install a new gasket and the oil strainer with the 2 bolts and 2 nuts.
Torque: 7.5 Nm (76 kgf-cm, 66 inch lbs.)
HINT: Use bolts 12 mm (0.47 inch) in length.
57. INSTALL STUD BOLT
58. INSTALL OIL PAN SUB-ASSEMBLY
a. Remove any old packing (FIPG) material and be careful not to drop any oil on the contact surfaces of the No.1 oil pan, cylinder block, oil pump and rear oil seal retainer.
^ Using a razor blade and gasket scraper, remove all the old packing (FIPG) material from the gasket surfaces and sealing groove.
^ Thoroughly clean all components to remove all the loose material.
^ Using a non-residue solvent, clean both sealing surfaces.
b. Apply seal packing to the No.1 oil pan as shown in the illustration
Seal packing: Part No. 08826-00080 or equivalent
^ Use a nozzle that has been cut to a 3 to 5 mm (0.12 to 0.20 inch) opening.
^ Parts must be assembled within 5 minutes of application. Otherwise the material must be removed and reapplied.
^ Immediately remove the nozzle from the tube and reinstall the cap.
c. Temporarily install the oil pan with the 18 bolts and 2 nuts.
HINT: The following chart is the reference for the oil pump bolt length.
d. Set the oil pan as shown in the illustration.
NOTICE: Make sure the clearance between the rear end of the oil pan and cylinder block is 0.2 mm (0.008 inch) or less. If the clearance is more than 0.2 mm (0.008 inch), the oil pan will be stretched.
e. Uniformly tighten the bolts and nuts diagonally.
Torque:
7.5 Nm (76 kgf-cm, 66 inch lbs.) for bolts A and D
28 Nm (286 kgf-cm, 21 ft. lbs.) for bolts B, C and nut
59. INSTALL OIL PAN BAFFLE PLATE
a. Install the baffle plate with the 2 bolts and 2 nuts.
Torque: 7.5 Nm (76 kgf-cm, 66 inch lbs.)
HINT: Use bolts 12 mm (0.47 inch) in length.
60. INSTALL OIL PAN SUB-ASSEMBLY NO.2
a. Remove any oil packing (FIPG) material and be careful not to drop any oil on the contact surfaces of the No.1 and No.2 oil pans.
^ Using a razor blade and gasket scraper, remove all the old packing (FIPG) material from the gasket surfaces and sealing groove.
^ Thoroughly clean all components to remove all the loose material.
^ Using a non-residue solvent, clean both sealing surfaces.
NOTICE: Do not use a solvent which will affect the painted surfaces.
b. Apply seal packing to the No.2 oil pan as shown in the illustration.
Seal packing: Part No. 08826-00080 or equivalent
^ Use a nozzle that has been cut to a 3 to 5 mm (0.12 to 0.20 inch) opening.
^ Parts must be assembled within 5 minutes of application. Otherwise the material must be removed and reapplied.
^ Immediately remove the nozzle from the tube and reinstall the cap.
c. Install the No.2 oil pan with the 17 bolts and 2 nuts. Uniformly tighten the bolts and nuts in several steps.
Torque: 7.5 Nm (76 kgf-cm, 66 inch lbs.)
HINT: Use bolts 14 mm (0.55 inch) in length.
61. INSTALL WATER PUMP ASSEMBLY
a. Install a new gasket and water pump with the 5 bolts, 2 stud bolts and nut. Uniformly tighten the bolts, stud bolts and nut in several steps.
Torque:
Bolt: 21 Nm (214 kgf-cm, 15 ft. lbs.)
Stud bolt and nut: 18 Nm (184 kgf-cm, 13 ft. lbs.)
HINT: Use bolts 35 mm (1.38 inch) in length.
62. INSTALL CYLINDER HEAD SUB-ASSEMBLY
a. Place 2 new cylinder head gaskets in position on the cylinder block.
HINT: A mark is placed on the rear side of the cylinder head gasket to distinguish the LH and RH banks, a 2R mark for the RH bank and a 2L mark for the LH bank.
NOTICE: Be careful of the installation direction.
b. Place the 2 cylinder heads in position on the cylinder head gaskets.
c. Install the cylinder head bolts.
HINT:
^ The cylinder head bolts are tightened in 2 progressive steps (steps (3) and (5)).
^ If any cylinder head bolt is broken or deformed, replace it.
1 Apply a light coat of engine oil on the threads and under the heads of the cylinder head bolts.
2 Install the plate washer to the cylinder head bolt.
3 Install and uniformly tighten the 10 cylinder head bolts on one side of the cylinder head in several steps in the order shown in the illustration, then do the other side in the same way.
Torque: 40 Nm (408 kgf-cm, 30 ft. lbs.)
If any one of the cylinder head bolts does not meet the torque specification, replace the cylinder head bolt.
NOTICE: Do not drop the plate washer for the cylinder head bolt into portion A of the cylinder head. If dropped into portion A, the plate washer will pass through the cylinder head and cylinder block into the oil pan.
4 Mark the front of the cylinder head bolt head with paint.
5 Retighten the cylinder head bolts by 90° in the numerical order shown.
6 Retighten the cylinder head bolts by an additional 90°.
7 Check that the painted mark is now at a 180° angle to front.
63. INSTALL CAMSHAFTS
NOTICE: Since the thrust clearance of the camshaft is small, the camshaft must be kept level while it is being installed. If the camshaft is not kept level, the portion of the cylinder head which receives 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. Set the crankshaft position.
1 Using the crankshaft damper bolt, turn the crankshaft, and set the set key of the crankshaft at the position of 90° counterclockwise from the timing mark (dot) of the oil pump body.
NOTICE: Having the crankshaft at a wrong angle can cause the piston head and valve head to come into contact with each other when installing the camshaft, causing damage. So always set the crankshaft at the correct angle.
b. Install the camshafts of the RH bank.
1 Apply engine oil to the thrust portions of the intake and exhaust camshafts.
2 Align the timing marks (1-dot mark) of the camshaft drive and driven main gears, and place the 2 camshafts.
3 Set the timing marks (1-dot mark) of the camshaft drive and driven main gears at approx. 10° angle.
4 Apply seal packing to the camshaft housing plug.
^ Remove the old packing (FIPG) material.
^ Apply seal packing to the housing plug.
Seal packing: Part No. 08826-00080 or equivalent
5 Install the camshaft housing plug and oil control valve filter to the cylinder head as shown in the illustration.
NOTICE: Be careful of the installation direction.
6 Apply seal packing to the front bearing cap.
^ Remove any old packing (FIPG) material and be careful not to drop any oil on the contact surfaces of the bearing cap and cylinder head.
Using a razor blade and gasket scraper, remove all the old packing (FIPG) material from the gasket surfaces and groove.
Thoroughly clean all components to remove all the loose material. Using a non-residue solvent, clean both sealing surfaces.
^ Apply seal packing to the bearing cap as shown in the illustration.
Use a nozzle that has been cut to 1.5 to 2.0 mm (0.059 to 0.079 inch) opening.
Parts must be assembled within 5 minutes of application. Otherwise the material must be removed and reapplied.
Immediately remove the nozzle from the tube and reinstall the cap.
Seal packing: Part No. 08826-00080 or equivalent
NOTICE: Do not apply seal packing to the front bearing cap grooves.
7 Install the front bearing cap.
HINT: The thrust position of the camshaft will be determined after installing the front bearing cap.
8 Install the other bearing caps in the order shown with the arrow mark facing forward.
9 Push in the camshaft setting oil seal.
10 Install new seal washers to the bearing cap bolts (A and B).
11 Apply a light coat of engine oil to the threads and under the heads of the bearing cap bolts (D and E).
NOTICE: Do not apply engine oil under the heads of the bearing cap bolts (A), (B) and (C).
HINT: Each bolt length is as follows:
94 mm (3.70 inch) for A with seal washer
72 mm (2.83 inch) for B with seal washer
25 mm (0.98 inch) for C
55 mm (2.17 inch) for D
40 mm (1.57 inch) for E
12 Install the oil feed pipe and the 22 bearing cap bolts as shown in the illustration.
13 Uniformly tighten the 22 bearing cap bolts in several steps, in the order shown in the illustration.
Torque:
7.5 Nm (76 kgf-cm, 66 inch lbs.) for bolt C
16 Nm (163 kgf-cm, 12 ft. lbs.) for others
14 Bring the service bolt installed in the driven subgear upward by turning the hexagonal portion of the camshaft with a wrench.
15 Remove the service bolt.
c. Install the camshafts of the LH bank.
1 Apply MP grease to the thrust portion of the camshafts.
2 Align the timing marks (2-dot marks) of the camshaft drive and driven main gears, and place the 2 camshafts.
3 Apply seal packing to the camshaft housing plug.
^ Remove the old packing (FIPG) material.
^ Apply seal packing to the housing plug.
Seal packing: Part No. 08826-00080 or equivalent
4 Install the camshaft housing plug and oil control valve filter to the cylinder head as shown in the illustration.
NOTICE: Be careful of the installation direction.
5 Apply seal packing to the front bearing cap.
^ Remove any old packing (FIPG) material and be careful not to drop any oil on the contact surfaces of the bearing cap and cylinder head.
Using a razor blade and gasket scraper, remove all the old packing (FIPG) material from the gasket surfaces and groove.
Thoroughly clean all components to remove all the loose material.
Using a non-residue solvent, clean both sealing surfaces.
^ Apply seal packing to the bearing cap as shown in the illustration.
Use a nozzle that has been cut to 1.5 to 2.0 mm (0.059 to 0.079 inch) opening.
Parts must be assembled within 5 minutes of application. Otherwise the material must be removed and reapplied.
Immediately remove the nozzle from the tube and reinstall the cap.
Seal packing: Part No. 08826-00080 or equivalent
NOTICE: Do not apply seal packing to the front bearing cap grooves.
6 Install the front bearing cap.
HINT: The thrust position of the camshaft will be determined after installing the front bearing cap.
7 Install the other bearing cap in the order shown with the arrow mark facing forward.
8 Push in the camshaft setting oil seal.
9 Install a new seal washer to the bearing cap bolt (A and B).
10 Apply a light coat of engine oil to the threads and under the heads of the bearing cap bolts (D and E).
NOTICE: Do not apply engine oil under the heads of the bearing cap bolts (A), (B) and (C).
HINT: Each bolt length is as follows:
94 mm (3.70 inch) for A with seal washer
72 mm (2.83 inch) for B with seal washer
25 mm (0.98 inch) for C
55 mm (2.17 inch) for D
40 mm (1.57 inch) for E
11 Install the oil feed pipe and the 22 bearing cap bolts as shown in the illustration.
12 Uniformly tighten the 22 bearing cap bolts in several steps, in the order shown in the illustration.
Torque:
7.5 Nm (76 kgf-cm, 66 inch lbs.) for bolt C
16 Nm (163 kgf-cm, 12 ft. lbs.) for others
13 Bring the service bolt installed in the driven subgear upward by turning the hexagonal portion of the camshaft with a wrench.
14 Remove the service bolt.
64. INSTALL REAR TIMING BELT PLATE RH
a. Install the rear timing belt plate with the bolt and stud bolt.
Torque: 7.5 Nm (80 kgf-cm, 66 inch lbs.)
65. INSTALL REAR TIMING BELT PLATE RH NO. 2
a. Install the rear timing belt plate with the 2 bolts.
Torque: 7.5 Nm (80 kgf-cm, 66 inch lbs.)
66. INSTALL REAR TIMING BELT PLATE LH
a. Install the rear timing belt plate with the bolt.
Torque: 7.5 Nm (80 kgf-cm, 66 inch lbs.)