Rocker arm shaft installation (4JJ3 without DPD)

Part name

Tightening torque

3: 14 N・m { 1.4 kgf・m / 124 lb・in } Wet

1) Put the plate on the camshaft bracket.

2) Loosen the adjust screw of the rocker arm.

3) Set the camshaft lower brackets in the order of journal number.

4) Install the rocker arm shaft to the camshaft brackets while assembling the rocker arm.

5) Install the spacer to the rocker arm shaft.

6) Apply engine oil to the threaded portions and seating surfaces of the bolts.

7) Temporarily tighten the rocker arm shaft to the camshaft bracket.

8) Final tighten the No. 5 journal section rocker arm shaft to the camshaft bracket.

Tightening torque: 14 N・m { 1.4 kgf・m / 124 lb・in } Wet

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9) Apply the engine oil to the camshaft journal.

10) Install the camshaft to the camshaft brackets with the inlet camshaft and exhaust camshaft markings upward.

11) Align the camshaft timing marks with idle gear D.

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12) Apply engine oil to the following parts.

13) Align the inlet camshaft and exhaust camshaft alignment marks with the camshaft upper bracket.

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14) Temporarily tighten the camshaft upper bracket M6 bolts to the camshaft brackets.

15) Final tighten the camshaft upper bracket M6 bolts to the camshaft brackets.

Tightening torque: 7.0 N・m { 0.7 kgf・m / 62 lb・in } Dry

Tightening torque: 6.0 N・m { 0.6 kgf・m / 53 lb・in } Wet

1) Rotate the crankshaft in the forward direction (clockwise) to align the No. 1 cylinder piston to compression top dead center.

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2) Align the camshaft bracket to the cylinder head.

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3) Align the inlet camshaft and exhaust camshaft alignment marks with the camshaft upper bracket.

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4) Apply engine oil to the threaded portions and seating surfaces of the M8 bolts.

5) Temporarily tighten the camshaft brackets to the cylinder head in the order shown in the diagram.

6) Final tighten the camshaft brackets to the cylinder head in the order shown in the diagram.

Tightening torque: 18 N・m { 1.8 kgf・m / 13 lb・ft } Wet

7) Securely tighten the rocker arm shaft to the camshaft bracket.

Tightening torque: 14 N・m { 1.4 kgf・m / 124 lb・in } Wet

8) Remove the lock bolt from the camshaft gear.

1) Rotate the crankshaft in the forward direction (clockwise) to align the No. 1 cylinder piston to compression top dead center.

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2) Loosen the adjust screw of the rocker arm using the special tool.

SST: 5-8840-2822-0 - valve clearance adjust nut wrench

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3) Insert a feeler gauge between the rocker arm roller and the cam.

Standard: 0.15 mm { 0.0059 in } When cold

4) Lightly tighten the adjust screw with the feeler gauge inserted using the special tool.

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5) Verify that the movement of the feeler gauge becomes stiff.

6) Secure the rocker arm adjust screw with the adjust screw nut.

Tightening torque: 18 N・m { 1.8 kgf・m / 13 lb・ft }

Measurable valve position

Cylinder position	#1		#2		#3		#4
	IN	EX	IN	EX	IN	EX	IN	EX
No. 1 cylinder compression top dead center	○	○	○			○
No. 4 cylinder compression top dead center				○	○		○	○

7) Rotate the crankshaft for 1 turn, and adjust any remaining valve clearance.

1) Apply engine oil to the O-ring.

2) Install the O-ring to the injector.

3) Clean the cylinder head installation surface and injector.

4) Drop the gasket into the port on the cylinder head side.

5) Check that the gasket has been inserted based on the nozzle height using the injector.

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6) Install the injector clamp to the injector.

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7) Apply engine oil to the threaded portions and seating surfaces of the bolts.

8) Install the injector and injector clamp to the cylinder head.

9) Temporarily tighten the injector clamp bolt to the cylinder head.

1) Apply engine oil to the threaded portions of the sleeve nuts on the injector side, as well as the injector O-rings.

2) Temporarily tighten the injection pipes to the common rail (fuel rail) and injectors by hand until the sleeve nuts can no longer turn.

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3) Temporarily tighten the clip to the injection pipe.

4) Final tighten the injector clamp bolt to the cylinder head.

Tightening torque: 26 N・m { 2.7 kgf・m / 19 lb・ft }

5) Final tighten the injection pipes to the injectors and common rail (fuel rail).

Tightening torque: 44 N・m { 4.5 kgf・m / 32 lb・ft } Injector side

Tightening torque: 44 N・m { 4.5 kgf・m / 32 lb・ft } Common rail (fuel rail) side

6) Securely tighten the clip to the injection pipe.

Tightening torque: 8.0 N・m { 0.8 kgf・m / 71 lb・in }

1) Install the baffle plate to the cylinder head.

Tightening torque: 10.0 N・m { 1.0 kgf・m / 89 lb・in }

1) Install the leak-off pipe to the inlet manifold.

Tightening torque: 25 N・m { 2.5 kgf・m / 18 lb・ft }

2) Connect the 2 leak-off hoses to the leak-off pipe.

3) Connect the 3 vacuum hoses to the vacuum pipe.

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4) Temporarily tighten the harness brackets to the inlet manifold in the order shown in the diagram.

5) Final tighten the harness brackets to the inlet manifold in the order shown in the diagram.

Tightening torque: 10.0 N・m { 1.0 kgf・m / 89 lb・in }

1) Install the swirl control solenoid valve and bracket as a set to the inlet manifold.

Tightening torque: 25 N・m { 2.5 kgf・m / 18 lb・ft }

2) Connect the vacuum hose to swirl control solenoid valve.

3) Connect the connector to swirl control solenoid valve.

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Refer to "1.Engine 1B.Mechanical(4JJ3 without DPD) Timing chain installation".