Timing Chain Installation Note

WARNING: This page is about a different car, the 2017 Mazda 3. 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.
Rotate the crankshaft clockwise two turns and verify that the valve timing is correct.

Fig 1: Rotating Crankshaft Clockwise
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.
- If the valve timing is not correct, remove the engine front cover and reassemble the timing chain to each sprocket. (See TIMING CHAIN REMOVAL/INSTALLATION .)
Install the blind plugs (upper and lower) for the engine front cover service holes.

Fig 2: Removing Blind Plugs (Upper And Lower) On Engine Front Cover Service Holes
Courtesy of MAZDA MOTORS CORP.

Tightening torque

Upper: 8-11 N.m {82-112 kgf.cm, 71-97 in.lbf}

Lower: 17-23 N.m {1.8-2.3 kgf.m, 13-16 ft.lbf}