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350matt, Engineer
Category: Mazda
Satisfied Customers: 20384
Experience:  Mechanical Engineer BEng Hons22 years experience
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I have a 2007 Mazdaspeed 3, and the VVT Actuator is making

Customer Question

I have a 2007 Mazdaspeed 3, and the VVT Actuator is making the noise all of them do eventually. I got all the parts needed to replace - Timing Chain, chain guides, new serpentine belt, new VVT Actuator, and figured I'd replace the water pump while it's all torn apart. The car has a few mods, in particular, a front mount inter cooler, so that may change the repair procedures.
I'm pretty mechanically inclined, so was going to try the work myself. Is there a good set of directions, and any tips as well, that you could guide me towards? Thanks for the help!!!
Scott W
Submitted: 3 months ago.
Category: Mazda
Expert:  350matt replied 3 months ago.

Hello Scott

the attached images should detail the cam timing procedure for you

Customer: replied 3 months ago.
What are the procedures for the VVT Actuator replacement, and the water pump? Thanks!
Expert:  350matt replied 3 months ago.


the vvt actuator / cam pulley is held in place with a large central bolt and timed to the cam with a dowel pin so its a case of just removing the pulley and bolting up the new - this is shown on the cam timing data I just posted up

as for the water pump then just unbolts? tightening torque is 10Nm for the bolts

Expert:  350matt replied 3 months ago.


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