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.

Verify that the timing marks and the key are aligned to the position shown in the illustration.

Courtesy of MAZDA MOTORS CORP.
NOTE:
- The timing mark of SKYACTIV-G 2.5 is not parallel with the upper surface of the cylinder head.
Install the timing chain while aligning the marks on each sprocket and the timing chain as shown in the illustration.
SKYACTIV-G 2.0

Courtesy of MAZDA MOTORS CORP.

SKYACTIV-G 2.5

Courtesy of MAZDA MOTORS CORP.
Install the chain guide (No. 1).
Install the tensioner arm.
Install the chain tensioner.
After installing the chain tensioner, remove the installed wire or paper clip, and then apply tension to the timing chain.
- If a new chain tensioner is used, remove the installed stopper.
Courtesy of MAZDA MOTORS CORP.
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 of SKYACTIV-G 2.5 is not parallel with the upper surface of the cylinder head.