TIMING CHAIN ASSEMBLYSM1759430
TIMING CHAIN ASSEMBLY

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Caution
• Parts for engines manufactured in Mexico and Hiroshima cannot be used interchangeably as the engine will not operate correctly resulting in a serious malfunction. To prevent this, when replacing parts refer to the 'SPECIFICATION IDENTIFICATION' table below and verify the engine's place of manufacture before performing the servicing. (See SPECIFICATION IDENTIFICATION)

1.Assemble in the order indicated in the table.

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1
Crankshaft sprocket
2
Oil pump chain
3
Oil pump sprocket
4
Oil pump chain tensioner
5
Timing chain
6
Chain guide
7
Tensioner arm
8
Chain tensioner
9
Camshaft sprocket, variable valve timing actuator
10
Front oil seal
11
Engine front cover
12
Drive belt idler pulley
13
Water pump pulley
14
Crankshaft pulley
15
Crankshaft pulley lock bolt
16
Cylinder head cover
17
Spark plug
18
Oil level gauge


Oil Pump Sprocket Assembly Note

1.Temporarily install the crankshaft pulley and crankshaft pulley lock bolt to the crankshaft, and lock the oil pump against rotation as shown in figure.

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2.Install the oil pump sprocket, and then remove the crankshaft pulley and crankshaft pulley lock bolt.

Tightening torque
20—30 N·m {2.1—3.0 kgf·m, 15—22 ft·lbf}


Timing Chain Assembly Note

1.Install the SST to the camshaft, then align the No. 1 camshaft position with the TDC.

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2.Remove the cylinder block lower blind plug.

3.Install the SST as shown in the figure.

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4.Turn the crankshaft clockwise so that the crankshaft is in the No.1 cylinder TDC position.

5.Install the timing chain.

6.Install the chain tensioner and remove the retaining wire.

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Camshaft Sprocket, Variable Valve Timing Actuator Assembly Note

1.Hold the camshaft using a suitable wrench on the cast hexagon as shown in the figure.

2.Tighten the camshaft sprocket lock bolt.

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Tightening torque
69—75 N·m {7.1—7.6 kgf·m, 51—55 ft·lbf}


Front Oil Seal Assembly Note

1.Apply clean engine oil to the oil seal.

2.Push the oil seal slightly in by hand.

3.Compress the oil seal using the SST and a hammer.

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Front oil seal press-in amount
0—0.5 mm {0—0.019 in}

Engine Front Cover Assembly Note

Caution
• Install the engine front cover before the applied silicone sealant starts to harden.

1.Apply silicone sealant to the engine front cover as shown.

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Thickness
A: 2.2—3.2 mm {0.09—0.12 in}
B: 1.5—2.5 mm {0.06—0.098 in}
C: 2.2—4.3 mm {0.09—0.16 in}
D: 3.3—4.3 mm {0.13—0.16 in}

2.Install the cylinder head cover bolts in the order as shown in the figure.

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No.

Tightening torque

1—18
8.0—11.5 N·m {81.6—117.2 kgf·cm, 70.9—101.7 in·lbf}
19—22
40—55 N·m {4.1—5.6 kgf·m, 30—40 ft·lbf}


Crankshaft Pulley Lock Bolt Assembly Note

1.Install the SST to the camshaft as shown in the figure.

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2.Verify that No.1 cylinder is at TDC of the compression stroke. (Position counterweight contacts SST.)

3.To position the crankshaft pulley, temporarily tighten it and, using a suitable bolt (M6 X 1.0), fix the crankshaft pulley to the engine front cover.

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4.Install the SST to the ring gear to lock the crankshaft against rotation.

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5.Tighten the crankshaft pulley lock bolt in the order shown in the following two steps using the SST (49 D032 316).

Tightening procedure
1. 96—104 N·m {9.8—10 kgf·m, 71—76 ft·lbf}
2. 87—93°

6.Remove the bolt (M6 X 1.0) installed to the crankshaft pulley.

7.Remove the SST from the camshaft.

8.Remove the SST from the cylinder block lower blind plug hole.

9.Remove the SST from the ring gear.

10.Rotate the crankshaft clockwise two turns and inspect the valve timing.

• If not aligned, loosen the crankshaft pulley lock bolt and repeat from Step 1.

11.Install the cylinder block lower blind plug.

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Tightening torque
18—22 N·m {1.9—2.2 kgf·m, 14—16 ft·lbf}


Cylinder Head Cover Assembly Note

Caution
• Install the cylinder head cover within 10 min of applying the silicone sealant.

1.Apply silicone sealant to the mating faces as shown in the figure.

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Thickness
4.0—6.0 mm {0.16—0.23 in}

2.Install the cylinder head cover with a new gasket.

3.Tighten the bolts in the order shown in the figure.

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Tightening torque
8.0 —9.5 N·m {82—96 kgf·cm, 71—84 in·lbf}