Camshaft Bearing

22. INSTALL CAMSHAFT BEARING CAP (for Bank 1)
(a) Apply engine oil to the camshaft journals, camshaft housings and bearing caps.
(b) Install the camshaft and No. 2 camshaft to the camshaft housing.





(c) Confirm the marks and numbers on the camshaft bearing caps and place them each in their proper position and direction.





(d) Uniformly install the 9 bolts in several steps in the order shown in the illustration.
Torque: 10 Nm (102 kgf-cm, 7 ft-lbf)

23. INSTALL CAMSHAFT HOUSING SUB-ASSEMBLY (for Bank 1)





(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:
3.5 to 4.0 mm (0.138 to 0.158 in.)
- 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 install the 14 bolts in several steps in the order shown in the illustration.
Torque: 28 Nm (286 kgf-cm, 21 ft-lbf)
NOTE:
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 9 bolts in several steps in the order shown in the illustration.
Torque: 16 Nm (163 kgf-cm, 12 ft-lbf)

24. INSTALL CAMSHAFT BEARING CAP (for Bank 2)





(a) Apply engine oil to the camshaft journals, camshaft housings and bearing caps.
(b) Install the camshaft No. 3 and camshaft No. 4 to the camshaft housing.
(c) Confirm the marks and numbers on the camshaft bearing caps and place them each in their proper position and direction.





(d) Uniformly install the 8 bolts in several steps in the order shown in the illustration.
Torque: 10 Nm (102 kgf-cm, 7 ft-lbf)

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.)
- 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)
NOTE:
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)