Mazda CX-5 Service & Repair Manual: Hydraulic Variable Valve Timing Actuator Inspection
WARNING:
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A hot engine can cause severe burns. Turn off the engine and wait until it is cool before servicing.
CAUTION:
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Do not disassemble the hydraulic variable valve timing actuator because it is a precision unit.
1. Disconnect the negative battery cable..
2. Remove the plug hole plate..
3. Remove the ignition coil/ion sensors..
4. Remove the cylinder head cover..
5. Verify that the notch of the rotor and projection of the cover on the hydraulic variable valve timing actuator are aligned and fitted.
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If the notch of the rotor and projection of the cover are not aligned, rotate the crankshaft in the direction the engine rotates two turns and verify that they are aligned.
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If the notch of the rotor and projection of the cover are still not aligned, replace the hydraulic variable valve timing actuator..
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If, when turning the crankshaft, there is a slapping noise from the hydraulic variable valve timing actuator each time before the cam reaches its maximum lift, it means that the actuator is not secured. Replace the hydraulic variable valve timing actuator..
6. Install in the reverse order of removal.
Fresh Air Duct
Purpose, Function
Conducts fresh air from outside the engine compartment.
Increases air density by taking fresh air, which is cooler than the engine
compartment, to enhance the charg ...
Hydraulic Variable Valve Timing Actuator
Purpose, Function
The hydraulic variable valve timing actuator operates according to the hydraulic
pressure and changes the phases of the exhaust camshaft. As a result, the open/close
per ...
Other materials:
Roof Molding Removal
1. Insert a tape-wrapped flathead screwdriver in the position shown in the figure.
2. Rotate a tape-wrapped flathead screwdriver in the direction of the arrow in
the order of (1), (2) shown in the figure and remove the roof molding from the front
T-stud.
3. Rotate the roof molding in th ...
Push Button Start Inspection
1. Remove the push button start..
2. Verify that the continuity between the push button start terminals is as indicated
in the table.
If the continuity can be verified as indicated in the table, go to the next
step.
If not as indicated in the table, replace the push bu ...
Air Cleaner Element Inspection
1. Remove the air cleaner element..
2. Inspect the following items:
Has the replacement interval past?
Is the air cleaner element soiled, damaged, or bent?
Are the air cleaner case and the air cleaner element correctly sealed?
Is the correct air cleaner element inst ...
