2NZ-FE ENGINE MECHANICAL  CAMSHAFT  INSTALLATION  


PROCEDURE

Hide 13050 1.INSTALL CAMSHAFT TIMING GEAR ASSEMBLY

a.

Secure the hexagonal portion of the camshaft in a soft jaw vise.


b.

Check that the straight pin is installed on the camshaft.


c.
A116230C04
1.344,0.906 1.656,0.25 1.656,0.25 1.813,0.25 false 1.052,0.958 0.521,1.625 false 1.844,0.156 2.031,0.354 0.188,0.198 10 false *a 0.354,1.604 0.542,1.802 0.188,0.198 10 false *b
*a Straight Pin
*b Key Groove


Fit the camshaft timing gear assembly and camshaft together with the straight pin and key groove misaligned as shown in the illustration.

NOTICE:

Do not forcibly push in the camshaft timing gear assembly. This may cause the straight pin tip to damage the installation surface of the camshaft timing gear assembly.



d.
A215319C19
0.833,1.344 1.458,1.802 false 1.458,1.802 1.604,1.802 false 0.813,0.604 1.094,0.146 1.094,0.146 1.24,0.146 false 2.625,0.677 2.771,0.865 0.146,0.188 10 false A 0.188,0.208 0.333,0.396 0.146,0.188 10 false *c 1.281,0.042 1.469,0.198 0.188,0.156 10 false *a 1.646,1.708 1.823,1.865 0.177,0.156 10 false *b
*a Straight Pin
*b Key Groove
*c View (A)


Turn the camshaft timing gear assembly as shown in the illustration while pushing it gently against the camshaft. Push further at the position where the straight pin fits into the key groove.

NOTICE:

Do not turn the camshaft timing gear assembly in the retard direction.



e.
A146267C38
2.771,0.75 2.604,0.75 2.604,0.75 1.406,1.01 false 1.49,0.177 1.292,0.177 1.292,0.177 1.031,0.906 false 1.552,0.083 1.865,0.24 0.313,0.156 10 *1 2.854,0.688 3.167,0.844 0.313,0.156 10 *c 1.427,0.552 1.74,0.708 0.313,0.156 10 *a 1.427,1.969 1.74,2.125 0.313,0.156 10 *b
*1 Camshaft Timing Gear Assembly
*a Gap
*b No Gap
*c Camshaft Flange


Check that there is no gap between the camshaft timing gear assembly and camshaft flange.


f.
A235845

Tighten the bolt with the camshaft timing gear assembly secured in place.

Torque:
64 N*m (653 kgf*cm, 47 ft.*lbf)

NOTICE:

When tightening the bolt, do not allow the camshaft timing gear assembly to rotate.



g.
A235846C02
1.5,1.635 1.813,1.833 0.313,0.198 10 *a
*a Lock


Check that the camshaft timing gear assembly can move in the retard direction (clockwise) and locks in the most retarded position.


Hide 13511 2.INSTALL CAMSHAFT

a.

Apply a light coat of engine oil to the camshaft and camshaft journals.


b.

Place tne camshaft onto the cylinder head sub-assembly.


c.
A116220C02
1.74,1 1.615,0.406 true 0.417,0.813 1.656,1.063 true 0.229,0.667 0.385,0.844 0.156,0.177 10 false *a 1.531,0.219 1.698,0.396 0.167,0.177 10 false *b
*a Timing Mark
*b Paint Mark


Hold up the chain sub-assembly, align the timing mark and paint mark and install the camshaft to the cylinder head sub-assembly.


d.
A116222N01
1.385,2.552 1.542,2.75 0.156,0.198 10 false 1 2.083,2.552 2.24,2.75 0.156,0.198 10 false 2 2.719,2.573 2.875,2.771 0.156,0.198 10 false 4 0.719,2.542 0.875,2.74 0.156,0.198 10 false 3

Examine the front marks and numbers on the No. 2 camshaft bearing cap and check that the order is as shown in the illustration. Then uniformly tighten the bolts, in several steps, in the order shown in the illustration.

Torque:
15.4 N*m (157 kgf*cm, 11 ft.*lbf)

NOTICE:

Tighten each bolt uniformly while keeping the camshaft level.



Hide 13512 3.INSTALL NO. 2 CAMSHAFT

a.

Place the No. 2 camshaft onto the cylinder head sub-assembly.


b.
A116224C02
1.021,0.177 1.198,0.177 1.198,0.177 1.479,0.479 false 0.417,1.281 0.51,1.281 0.51,1.281 1.51,0.615 false 1.146,1.813 1.396,0.896 false 1.042,1.854 1.354,2.052 0.313,0.198 10 false *a 0.823,0.073 1.135,0.271 0.313,0.198 10 false *b 0.25,1.198 0.563,1.396 0.313,0.198 10 false *c
*a Straight Pin
*b Paint Mark
*c Timing Mark


Hold up the chain sub-assembly and align the timing mark on the camshaft timing sprocket with the paint mark of the chain.


c.

Align the straight pin hole in the camshaft timing sprocket with the straight pin of the camshaft, and install the camshaft timing sprocket to the No. 2 camshaft.


d.

Temporarily install the flange bolt.


e.
A116223C01
1.104,2.063 0.875,2.573 true 1.51,1.521 2.646,2.552 2.646,2.552 2.813,1.531 false 1.938,1.521 2.635,2.552 2.635,2.552 2.375,1.521 false 1.052,0.25 1.208,0.427 0.156,0.177 10 false 3 1.677,0.229 1.833,0.406 0.156,0.177 10 false 1 2.323,0.219 2.479,0.396 0.156,0.177 10 false 2 2.969,0.229 3.125,0.406 0.156,0.177 10 false 4 0.344,1 0.5,1.177 0.156,0.177 10 false 5 0.688,2.542 0.854,2.719 0.167,0.177 10 false *1 2.563,2.594 2.729,2.771 0.167,0.177 10 false *2
*1 No. 1 Camshaft Bearing Cap
*2 No. 2 Camshaft Bearing Cap


Examine the front marks and numbers on the No. 1 camshaft bearing caps and No. 2 camshaft bearing caps and check that the order is as shown in the illustration. Then uniformly tighten the bolts, in several steps, in the order shown in the illustration.

Torque:
No. 1 Camshaft Bearing Cap : 23 N*m (235 kgf*cm, 17 ft.*lbf)
No. 2 Camshaft Bearing Cap : 15.4 N*m (157 kgf*cm, 11 ft.*lbf)

NOTICE:

Tighten each bolt uniformly while keeping the camshaft level.



f.
A116225

Using a union nut wrench, hold the hexagonal portion of the No. 2 camshaft and tighten the flange bolt.

Torque:
without SST : 64 N*m (653 kgf*cm, 47 ft.*lbf)
with SST : 59 N*m (602 kgf*cm, 44 ft.*lbf)

HINT:

The "with SST" torque valve is effective when using a torque wrench with a fulcrum length of 300 mm (11.8 in.) and a union nut wrench with a fulcrum length of 25 mm (0.984 in.).

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g.

Remove the bar from the No. 1 chain tensioner assembly.


h.
A116203C12
2.167,1.021 2.375,1.969 2.375,1.969 2.51,1.969 false 2.542,1.875 2.729,2.042 0.188,0.167 10 false *a
*a Timing Notch


Turn the crankshaft damper sub-assembly until its timing notch (groove) and the timing mark "0" of the oil pump assembly are aligned.


i.
A116207C03
1.104,0.75 1.156,1.781 1.156,1.781 2.052,1.521 true 2.219,1.052 1.156,1.781 true 1.177,0.635 2.448,0.094 2.448,0.094 2.198,0.927 true 2.49,0.031 2.667,0.198 0.177,0.167 10 true *a 1.031,1.802 1.208,1.969 0.177,0.167 10 false *b
*a Paint Mark
*b Timing Mark


Check that all the pairs of timing marks are aligned.


j.

Apply adhesive to 2 or 3 threads of the screw plug end.

Adhesive:

Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent



k.

Using a 5 mm hexagon wrench, install the screw plug.

Torque:
15 N*m (153 kgf*cm, 11 ft.*lbf)


Hide 11213 6.INSTALL CYLINDER HEAD COVER GASKET

Hide 11201 7.INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY

Hide 12262 9.CONNECT NO. 2 VENTILATION HOSE

a.
A154248

Connect the No. 2 ventilation hose to the cylinder head cover sub-assembly and slide the clip to secure it.


Hide 12261 10.CONNECT VENTILATION HOSE

a.
A156294

Connect the ventilation hose to the cylinder head cover sub-assembly and slide the clip to secure it.


Hide 11212 13.INSTALL NO. 2 CYLINDER HEAD COVER