Timing Chain Installation Note

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

Install the chain guide (No. 1).
Remove the bolt securing the tensioner arm and apply tension to the timing chain.
Inspect the timing chain for looseness.
Verify that the alignment marks on each sprocket and the timing chain are aligned.

Courtesy of MAZDA MOTORS CORP.
NOTE:
- The timing mark is not parallel with the upper surface of the cylinder head.
Install the blind plugs (upper and lower) for the engine front cover service holes.

Courtesy of MAZDA MOTORS CORP.