VARIABLE VALVE TIMING ACTUATOR REMOVAL/INSTALLATION [LF]
id0110a9803745
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Caution
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• Variable valve timing actuator can not be disassembled because it is a precision unit.
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Note
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• Intake camshaft sprocket is integrated with the variable valve timing actuator and cannot be disassembled.
1. Follow the valve clearance adjustment procedure from 1 to 23 and remove the intake camshaft and variable valve timing actuator as a single unit. (See VALVE CLEARANCE ADJUSTMENT [L8, LF].)
2. Remove the variable valve timing actuator.
- (1) Mark the camshaft and variable valve timing actuator as shown in the figure to make sure they are installed in their original position.
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- (2) Secure the camshaft in a vise.
- (3) Loosen the variable valve timing actuator tightening bolt.
3. Install a new washer.
4. Install the variable valve timing actuator.
- (1) Secure the camshaft in a vise.
- (2) Align the marks of the camshaft and variable valve timing actuator.
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Caution
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• When the variable valve timing actuator is replaced with a new one, mark it in the same location as the old one.
- (3) Tighten the variable valve timing actuator tightening bolt.
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Tightening torque
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69—75 N·m {7.1—7.6 kgf·m, 50.9—55.3 ft·lbf}
5. Follow the valve clearance adjustment procedure from 24 to 54 and install the intake camshaft and variable valve timing actuator. (See VALVE CLEARANCE ADJUSTMENT [L8, LF].)
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Note
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• If the alignment marks on the variable valve timing actuator are not available, refer to the “TIMING CHAIN ASSEMBLY“ in the engine workshop manual and perform the sprocket position alignment again.