I'm working on a Mazda CX-7 2008 timing chain. I found 2 pieces that I don't know what they are.

Asked by Alex Aug 13, 2017 at 05:42 PM about the 2008 Mazda CX-7

Question type: Maintenance & Repair

One Found behind the guide of the timing chain. The other was found on the
oil pan.

6 Answers

Baughlin answered 3 years ago

This belongs to the balance shaft I believe. Found the same thing in mine when dropping my oil pan. I believe this to be the cause of excessive oil consumption, but can not confirm this. Just bought a 2012 Ford Fusion 2.5L because my engine is at the verge of catastrophic engine failure at 110xxx miles. Would have been nice to do a BSD delete when the car had less miles. Thanks Mazda

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Baughlin answered 3 years ago

Could be from the VVT considering thats what the technical service bulletin says the issue was. But we all know that could be BS.

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Guru77XJ5 answered 3 years ago

I found the same parts in mine, Mazda thinks it is an oil gallery plug, anyone else know different?

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20

Claude answered 3 years ago

It's the VVT locking pin,the retaining dowel broke and those parts came out.

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