2010 Mazda 5 L4-2.3LFACTORY OEM SERVICE PROCEDURE

Timing Component Alignment Marks: Service and Repair



Crankshaft Pulley Lock Bolt Removal Note

1. Remove the cylinder block lower blind plug.

Factory service manual diagram





2. Install the SST.

Factory service manual diagram





3. Turn the crankshaft clockwise the crankshaft is in the No.1 cylinder TDC position (until the balance weight is attached to the SST).

4. Hold the crankshaft pulley using the SSTs.

Factory service manual diagram




Crankshaft Pulley Lock Bolt Installation Note

1. Install the SST to the camshaft as shown in the figure.

Factory service manual diagram





2. Verify that No.1 cylinder is at TDC of the compression stroke. (Position counterweight contacts SST.)

3. To position the crankshaft pulley, temporarily tighten it and, using a suitable bolt (M6 X 1.0), fix the crankshaft pulley to the engine front cover.

Factory service manual diagram





4. Hold the crankshaft pulley using the SST.

Factory service manual diagram





5. Tighten the crankshaft pulley lock bolt in the order shown with the following two steps using the SST (49 D032 316).

Tightening torque
- 96-104 Nm {9.8-10.6 kgf-m, 70.9-76.7 ft-lbf}
- 87°-93°

6. Remove the bolt (M6 X 1.0) installed to the crankshaft pulley.

7. Remove the SST from the camshaft.

8. Remove the SST installed in the cylinder block lower blind plug hole.

Factory service manual diagram





9. Rotate the crankshaft clockwise two turns and inspect the valve timing.

- If not aligned, loosen the crankshaft pulley lock bolt and repeat from Step 1.

10. Install the cylinder block lower blind plug.

Factory service manual diagram





Tightening torque
- 18-22 Nm {1.9-2.2 kgf-m, 13.3-16.2 ft-lbf}

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.