Part 2

25. INSTALL CAMSHAFT HOUSING SUB-ASSEMBLY (for Bank 2)

(a) Apply seal packing in a continuous line as shown in the illustration.





Seal packing:

Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent

Standard 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 within 3 minutes and tighten the bolts within 15 minutes after applying seal packing.
* Do not start the engine for at least 2 hours after the installation.
(b) Uniformly install the camshaft housing and tighten the 13 bolts in several steps in the order shown in the illustration.





Torque : 28 Nm (286 kgf-cm, 21 ft-lbf)

NOTICE:
Make sure that the knock pin of the camshaft is positioned as shown in the illustration before installing the camshaft housing.

(c) Uniformly install the 8 bolts in several steps in the order shown in the illustration.





Torque : 16 Nm (163 kgf-cm, 12 ft-lbf)

NOTICE:
Thoroughly wipe clean any seal packing.

(d) Install 3 new gaskets.





26. INSTALL NO. 2 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 dia1.0 mm (0.039 in.) into the hole to fix it in place.

27. INSTALL CAMSHAFT TIMING GEARS AND NO. 2 CHAIN (for Bank 1)

(a) Align the mark plates (yellow) of the No. 2 chain with the timing marks (1 dot mark) of the camshaft timing gears as shown in the illustration.





(b) Apply a small amount 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 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 (1020 kgf-cm, 74 ft-lbf)

(e) Remove the pin from the No. 2 chain tensioner.

28. 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 dia1.0 mm (0.039 in.) into the hole to fix it in place.

29. 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 small amount 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 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 (1020 kgf-cm, 74 ft-lbf)

(e) Remove the pin from the No. 2 chain tensioner.

30. INSTALL CRANKSHAFT TIMING SPROCKET

(a) Install the 2 set keys and timing sprocket as shown in the illustration.





31. INSTALL NO. 1 CHAIN VIBRATION DAMPER

(a) Install the chain vibration damper with the 2 bolts.





Torque : 23 Nm (235 kgf-cm, 17 ft-lbf)

32. INSTALL NO. 2 CHAIN VIBRATION DAMPER

(a) Install the 2 chain vibration dampers.





33. 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 shaft with the knock pin groove of the cylinder block.





NOTICE:
Be careful of the idle gear direction.

(c) Using a 10 mm hexagon wrench, tighten the No. 2 idle gear shaft.

Torque : 60 Nm (612 kgf-cm, 44 ft-lbf)

34. INSTALL NO. 1 CHAIN SUB-ASSEMBLY

(a) Align the mark plate and timing mark as shown in the illustration and install the chain.

HINT
The chain mark plate is orange.





NOTICE:
Do not pass the chain over the crankshaft, just put the chain on the crankshaft.





(b) Turn the camshaft timing gear on the bank 1 counterclockwise to tighten the chain between the banks.





NOTICE:
If reusing the idle sprocket, align one of the idle sprocket's chain plate marks with one of the chain's chain plates when installing the idle sprocket.

(c) Align the mark plate and timing mark as shown in the illustration and install the chain onto the crankshaft timing gear.





HINT
The chain mark plate is yellow.

(d) Temporarily tighten the pulley set bolt.

(e) Turn the crankshaft clockwise to set it to the bank 1 block bore center line (TDC / compression).





35. INSTALL CHAIN TENSIONER SLIPPER

(a) Install the chain tensioner slipper.