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Home >> Toyota >> 2004 >> Echo L4-1.5L (1NZ-FE) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Variable Valve Timing Solenoid >> Service and Repair
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Variable Valve Timing Solenoid: Service and Repair

REMOVAL

1. REMOVE NO.2 CYLINDER HEAD COVER
Remove the 4 nuts and No. 2 cylinder head cover.




2. REMOVE GENERATOR BRACKET
Remove the bolt, nut and generator bracket.




3. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE
a. Disconnect the oil control valve connector.
b. Remove the bolt, oil control valve and O-ring.

INSTALLATION




1. INSTALL CAMSHAFT TIMING OIL CONTROL VALVE
a. Install the bolt, oil control valve and O-ring.

Torque: 7.5 Nm (74 kgf.cm, 66 in.lbf)

b. Connect the oil control valve connector.




2. INSTALL GENERATOR STAY
a. Install the generator bracket with the nut.

Torque: 11 Nm (110 kgf.cm, 8 ft.lbf)

b. Adjust the belt tension and torque the bolt.

Torque: 18 Nm (185 kgf.cm, 14 ft.lbf)

3. INSTALL NO.2 CYLINDER HEAD COVER
Install the 4 nuts and No. 2 cylinder head cover.

Torque: 7.0 Nm (71 kgf.cm, 62 in.lbf)

INSPECTION




INSPECT CAMSHAFT TIMING OIL CONTROL VALVE OPERATION
Connect positive (+) lead from the battery to terminal 1 and negative (-) lead to terminal 2, and check the movement of the valve.




If operation is not as specified, replace the valve.
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