Mazda CX-5 Service & Repair Manual: Hydraulic Variable Valve Timing Actuator Inspection
WARNING:
-
A hot engine can cause severe burns. Turn off the engine and wait until it is cool before servicing.
CAUTION:
-
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.
-
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.
-
If the notch of the rotor and projection of the cover are still not aligned, replace the hydraulic variable valve timing actuator..
-
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:
Rear View Monitor
Rear View Monitor
The rear view monitor is a visual assist system when reversing the vehicle that
provides images from the rear of the vehicle.
WARNING
Always drive carefully confirming the safety of the rear and the surrounding
conditions by looking directly with your eyes:
Reversing the ve ...
Supplier Identification Procedure [Audio]
NOTE:
The unit supplier can vary. When asking the supplier (service center) for
repair or replacement, identify the supplier and fill in the Audio Repair Order
Form using the following procedures.
Verification procedure using label or inscribed lettering
1. Disconnect the negati ...
Seat Precaution
WARNING
Make sure the adjustable components of a seat are locked in place:
Adjustable seats and seatbacks that are not securely locked are dangerous. In a
sudden stop or collision, the seat or seatback could move, causing injury. Make
sure the adjustable components of the seat are locked in pl ...
