So in theory, if we could've replaced the actuator with the updated revision before the chain began to stretch, we wouldn't have to replace all...
So basically even a tiny groove in one spot on the cover indicates a worn actuator? Chain is tight at TDC. I'll probably do it as a precaution but...
2006 Mazdaspeed 6, 78,000 miles VVT has never been done, but I thought the high pitch squeaking I've been hearing at cold startup was the timing...
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