Part 3
2GR-FSE ENGINE MECHANICAL: ENGINE UNIT: REASSEMBLY
33. INSTALL NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY
(a) Apply engine oil to the lash adjuster tip and valve stem cap end.
(b) Make sure that the valve rocker arms are installed as shown in the illustration.
34. INSTALL CAMSHAFT BEARING CAP (for Bank 1)
(a) Apply engine oil to the camshaft journals, camshaft housing and bearing caps.
(b) Install the camshaft and camshaft No. 2 to the camshaft housing RH.
(c) Check the marks and numbers on the camshaft bearing caps and place each of them in the proper position and direction.
(d) Temporarily tighten the 9 bolts in the order shown in the illustration.
Torque : 10 Nm (102 kgf-cm, 7 ft-lbf)
35. INSTALL CAMSHAFT HOUSING SUB-ASSEMBLY RH
(a) Make sure that the valve rocker arm is installed as shown in the illustration.
(b) Apply seal packing in a continuous line as shown in the illustration.
Seal packing:
Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent
Seal diameter:
3.5 to 4.0 mm (0.138 to 0.158 in.)
NOTICE:
* Remove any oil from the contact surface.
* Install the camshaft housing sub-assembly RH within 3 minutes.
* Do not start the engine for at least 2 hours after installing.
(c) Install the camshaft housing RH and tighten the 14 bolts in the order shown in the illustration.
Torque : 28 Nm (286 kgf-cm, 21 ft-lbf)
NOTICE:
* When installing the camshaft housing RH, it is necessary to correctly position the camshafts as shown in the illustration. Failure to correctly position these parts may result in damage due to contact between the pistons and valves. If a camshaft is rotated with a piston at TDC, valve contact will occur.
* If any of the bolts are loosened during installation, remove the camshaft housing, clean the installation surfaces, and reapply seal packing.
* If the camshaft housing is removed because any of the bolts are loosened during installation, make sure that the previously applied seal packing does not enter any oil passages.
(d) Tighten the 9 bolts in the order shown in the illustration.
Torque : 16 Nm (163 kgf-cm, 12 ft-lbf)
36. INSTALL CAMSHAFT BEARING CAP (for Bank 2)
(a) Apply engine oil to the camshaft journals, camshaft housing and bearing caps.
(b) Install the camshaft No. 3 and camshaft No. 4 to the camshaft housing LH.
(c) Check the marks and numbers on the camshaft bearing caps and place each of them in the proper position and direction.
(d) Temporarily tighten the 8 bolts in the order shown in the illustration.
Torque : 10 Nm (102 kgf-cm, 7 ft-lbf)
37. INSTALL CAMSHAFT HOUSING SUB-ASSEMBLY LH
(a) Make sure that the valve rocker arm is installed as shown in the illustration.
(b) Apply seal packing in a continuous line as shown in the illustration.
Seal packing:
Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent
Seal diameter:
5.0 to 5.5 mm (0.197 to 0.217 in.)
NOTICE:
* Remove any oil from the contact surface.
* Install the camshaft housing sub-assembly LH within 3 minutes.
* Do not start the engine for at least 2 hours after installing.
(c) Install the camshaft housing LH and tighten the 13 bolts in the order shown in the illustration.
Torque : 28 Nm (286 kgf-cm, 21 ft-lbf)
NOTICE:
* When installing the camshaft housing LH, it is necessary to correctly position the camshafts as shown in the illustration. Failure to correctly position these parts may result in damage due to contact between the pistons and valves. If a camshaft is rotated with a piston at TDC, valve contact will occur.
* If any of the bolts are loosened during installation, remove the camshaft housing, clean the installation surfaces, and reapply seal packing.
* If the camshaft housing is removed because any of the bolts are loosened during installation, make sure that the previously applied seal packing does not enter any oil passages.
(d) Tighten the 8 bolts in the order shown in the illustration.
Torque : 16 Nm (163 kgf-cm, 12 ft-lbf)
38. INSTALL NO. 2 CHAIN TENSIONER ASSEMBLY
(a) Install the No. 2 chain tensioner with the bolt.
Torque : 21 Nm (214 kgf-cm, 15 ft-lbf)
(b) While pushing in the tensioner, insert a pin of dia 1.0 mm (0.039 in.) into the hole to fix it.
39. INSTALL CAMSHAFT TIMING GEARS AND NO. 2 CHAIN (for Bank 1)
(a) Align the mark plate (yellow) with the timing marks (1-dot mark) of the camshaft timing gears as shown in the illustration.
(b) Apply a light coat of engine oil to the bolt threads and bolt-seating surface.
(c) Align the knock pin of the camshaft with the pin hole of the camshaft timing gear. Install the camshaft timing gear and camshaft timing exhaust gear RH with the No. 2 chain installed.
(d) Using SST to hold the hexagonal portion of each camshaft, tighten the flange bolts of the camshaft timing gear assembly and the camshaft timing exhaust gear assembly RH.
SST : 09922-10010
Torque : 100 Nm (1,020 kgf-cm, 74 ft-lbf)
(e) Remove the pin from the chain tensioner.
40. INSTALL NO. 3 CHAIN TENSIONER ASSEMBLY
(a) Install the chain tensioner with the bolt.
Torque : 21 Nm (214 kgf-cm, 15 ft-lbf)
(b) While pushing in the tensioner, insert a pin of dia 1.0 mm (0.039 in.) into the hole to hold it.
41. INSTALL CAMSHAFT TIMING GEARS AND NO. 2 CHAIN (for Bank 2)
(a) Align the mark plate (yellow) with the timing marks (2-dot mark) of the camshaft timing gears as shown in the illustration.
(b) Apply a light coat of engine oil to the bolt threads and bolt-seating surface.
(c) Align the knock pin of the camshaft with the pin hole of the camshaft timing gear. Install the camshaft timing gear and camshaft timing exhaust gear LH with the No. 2 chain installed.
(d) Using SST to hold the hexagonal portion of each camshaft, tighten the flange bolts of the camshaft timing gear assembly and the camshaft timing exhaust gear assembly LH.
SST : 09922-10010
Torque : 100 Nm (1,020 kgf-cm, 74 ft-lbf)
(e) Remove the pin from the chain tensioner.
42. INSTALL NO. 1 CHAIN VIBRATION DAMPER
(a) Install the chain vibration damper with the 2 bolts.
Torque : 23 Nm (230 kgf-cm, 17 ft-lbf)
43. INSTALL NO. 2 CHAIN VIBRATION DAMPER
(a) Install the 2 chain vibration dampers.
44. INSTALL CRANKSHAFT TIMING SPROCKET
(a) Install the 2 timing gear set keys and timing sprocket as shown in the illustration.
45. INSTALL IDLE SPROCKET ASSEMBLY
(a) Apply a light coat of engine oil to the rotating surface of the No. 1 idle gear shaft.
(b) Temporarily install the No. 1 idle gear shaft and idle sprocket with the No. 2 idle gear shaft while aligning the knock pin of the No. 1 idle gear with the knock pin groove of the cylinder block.
NOTICE:
Make sure that the idle gear is facing the correct direction.
HINT
Check that no foreign objects are on the idle gear shafts No. 1 and No. 2.
(c) Using a 10 mm hexagon wrench, tighten the No. 2 idle gear shaft.
Torque : 60 Nm (612 kgf-cm, 44 ft-lbf)
HINT
After installing the idle sprocket assembly, check that the idle sprocket turns smoothly.
46. INSTALL CHAIN SUB-ASSEMBLY
(a) Align the mark plate and timing marks as shown in the illustration and install the chain.
HINT
The camshaft mark plate is orange.
(b) Rest the chain on top of the crankshaft.
(c) Turn the camshaft timing gear assembly on the RH bank counterclockwise to tighten the chain between the banks.
NOTICE:
When the idle sprocket is reused, align the chain plate with the mark where the plate had been in order to tighten the chain between the banks.
(d) Align the mark plate and timing mark as shown in the illustration and install the chain onto the crankshaft timing sprocket.
HINT
The crankshaft mark plate is yellow.
(e) Temporarily tighten the pulley set bolt.
(f) Turn the crankshaft clockwise to set it to the RH block bore center line (TDC / compression).
47. INSTALL CHAIN TENSIONER SLIPPER
(a) Install the chain tensioner slipper.
48. INSTALL NO. 1 CHAIN TENSIONER ASSEMBLY
(a) Move the stopper plate upward to release the lock, and push the plunger deep into the tensioner.
(b) Move the stopper plate downward to set the lock, and insert a pin of dia 1.27 mm (0.050 in.) into the hole of the stopper plate.
(c) Install the chain tensioner with the 2 bolts.
Torque : 10 Nm (102 kgf-cm, 7 ft-lbf)
(d) Remove the lock pin of the chain tensioner.
49. INSPECT VALVE TIMING
(a) Check the camshaft timing marks.
NOTICE:
* Check each timing mark from a viewpoint directly inline with the center of the camshaft and the timing mark on each camshaft timing gear.
* If the timing marks are checked from any other viewpoint, the valve timing may appear misaligned.
(b) Check that each camshaft timing mark is positioned as shown in the illustration.
HINT
For the intake camshaft:
Be sure to check mark A at the point when marks B, C, and D are positioned in line. If the marks are checked from any other viewpoint, they cannot be checked correctly.
(c) If the valve timing is misaligned, reinstall the timing chain.
(d) Remove the pulley set bolt.