Camshaft
CAMSHAFTS
Install the camshaft of the RH bank.
Place the 2 camshafts on the RH cylinder head with the No. 1 cam lobes facing as shown the illustration.
Install the 8 bearing caps in their correct locations.
Using several steps, uniformly tighten the 16 bearing cap bolts in the sequence shown in the illustration.
Torque 9.0 Nm (92 kgf-cm, 80 in-lbf) for 10 mm (0.39 in.) head
Torque 24 Nm (245 kgf-cm, 18 ft-lbf) for 12 mm (0.47 in.) head
Using a wrench, turn the camshafts clockwise until each camshaft knock pin comes to a position 90° to the cylinder head.
Install the camshafts of the LH bank.
Place the 2 camshafts on the LH cylinder head with the No.1 cam lobes facing as shown the illustration.
Install the 8 bearing caps in the correct locations as shown.
Using several steps, uniformly tighten the 16 bearing cap bolts in the sequence shown in the illustration.
Torque 9.0 Nm (92 kgf-cm, 80 in-lbf) for 10 mm (0.39 in.) head
Torque 24 Nm (245 kgf-cm, 18 ft-lbf) for 12 mm (0.47 in.) head
CAMSHAFTS (for Bank 1 2WD)
Place the 2 camshafts onto the cylinder head with the cam lobes of No. 1 cylinder facing in the directions shown in the illustration.
Install the 8 bearing caps in the proper locations as shown.
Using several steps, uniformly install and tighten the 16 bearing cap bolts in the sequence shown in the illustration.
Torque 9.0 Nm (92 kgf-cm, 80 in-lbf) for 10 mm (0.39 in.) head
Torque 24 Nm (245 kgf-cm, 18 ft-lbf) for 12 mm (0.47 in.) head
Turn the camshafts clockwise until each camshaft knock pin comes to a position 90° to the cylinder head.
CAMSHAFTS (for Bank 2 2WD)
Place the 2 camshafts onto the cylinder head with the cam lobes of No. 1 cylinder facing in the directions as shown in the illustration.
Install the 8 bearing caps in the proper locations as shown.
Using several steps, uniformly install and tighten the 16 bearing cap bolts in the sequence shown in the illustration.
Torque 9.0 Nm (92 kgf-cm, 80 in-lbf) for 10 mm (0.39 in.) head
Torque 24 Nm (245 kgf-cm, 18 ft-lbf) for 12 mm (0.47 in.) head
CAMSHAFTS (for Bank 1 4WD and Pre-Runner)
Place the 2 camshafts onto the cylinder head with the cam lobes of No. 1 cylinder facing in the directions shown in the illustration.
Install the 8 bearing caps in the proper locations as shown.
Using several steps, uniformly install and tighten the 16 bearing cap bolts in the sequence shown in the illustration.
Torque 9.0 Nm (92 kgf-cm, 80 in-lbf) for 10 mm (0.39 in.) head
Torque 24 Nm (245 kgf-cm, 18 ft-lbf) for 12 mm (0.47 in.) head
Turn the camshafts clockwise until the knock pin comes to a position 90° to the cylinder head.
CAMSHAFTS (for Bank 2 4WD and Pre-Runner)
Place the 2 camshafts onto the cylinder head with the cam lobes of No. 1 cylinder facing in the directions shown in the illustration.
Install the 8 bearing caps in the proper locations as shown.
Using several steps, uniformly install and tighten the 16 bearing cap bolts in the sequence as shown in the illustration.
Torque 9.0 Nm (92 kgf-cm, 80 in-lbf) for 10 mm (0.39 in.) head
Torque 24 Nm (245 kgf-cm, 18 ft-lbf) for 12 mm (0.47 in.) head
NO.2 CAMSHAFT
Install the No. 2 camshaft onto the RH cylinder head with the cam lobes of No. 1 cylinder facing upward as shown in the illustration.
Install the 4 bearing caps in the proper locations as shown.
Using several steps, uniformly install and tighten the 8 bearing cap bolts in the sequence shown in the illustration.
Torque 9.0 Nm (92 kgf-cm, 80 in-lbf) for 10 mm (0.39 in.) head
Torque 24 Nm (245 kgf-cm, 18 ft-lbf) for 12 mm (0.47 in.) head
Rotate the No. 2 camshaft clockwise using a wrench so that the knock pin of the No. 2 camshaft is aligned with the knock pin hole of the camshaft timing gear.
Hold the hexagonal portion of the No. 2 camshaft with a wrench, and install the camshaft timing gear set bolt.
Torque 100 Nm (1,020 kgf-cm, 74 ft-lbf)
NO.3 CAMSHAFT SUB-ASSEMBLY
Apply new engine oil to the thrust portion and journal of the camshafts.
Temporarily put the No. 1 chain on the No. 2 chain of the camshaft timing gear.
Align the knock pin hole in the camshaft timing gear with the knock pin of the No. 3 camshaft, and insert the No. 3 camshaft into the camshaft timing gear.
Temporarily install the camshaft timing gear set bolt.
Set the No. 3 camshaft onto the LH cylinder head with the cam lobes of the No. 2 cylinder facing downward as shown in the illustration.
Install the 4 bearing caps in the proper locations as shown.
Apply a light coat of engine oil to the threads and under the heads of the bearing cap bolts.
Using several steps, uniformly install and tighten the 8 bearing cap bolts in the sequence shown in the illustration.
Torque 9.0 Nm (92 kgf-cm, 80 in-lbf) for 10 mm (0.39 in.) head
Torque 24 Nm (245 kgf-cm, 18 ft-lbf) for 12 mm (0.47 in.) head
Align the paint mark of the No. 1 chain with the timing marks of the camshaft timing gear.
Hold the hexagonal portion of the No. 3 camshaft with a wrench, and tighten the camshaft timing gear set bolt.
Torque 100 Nm (1,020 kgf-cm, 74 ft-lbf)
NO.4 CAMSHAFT SUB-ASSEMBLY
Temporarily install the camshaft timing gear set bolt.
Install the 4 bearing caps in the proper locations as shown.
Using several steps, uniformly install and tighten the 8 bearing cap bolts in the sequence shown in the illustration.
Torque 9.0 Nm (92 kgf-cm, 80 in-lbf) for 10 mm (0.39 in.) head
Torque 24 Nm (245 kgf-cm, 18 ft-lbf) for 12 mm (0.47 in.) head
Hold the hexagonal portion of the No. 4 camshaft with a wrench, and tighten the camshaft timing gear set bolt.
Torque 100 Nm (1,020 kgf-cm, 74 ft-lbf)