Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2009 Mazda 6 V6-3.7LFACTORY OEM SERVICE PROCEDURE
Crankshaft Pulley
Tighten the new crankshaft pulley lock bolt in 4 steps.
a. Tighten to 140 Nm {14 kgf-m, 103 ft-lbf}.
b. Loosen 360οΏ½ (one full turn) in reverse order.
c. Tighten to 47-53 Nm {4.8-5.4 kgf-m, 35-39 ft-lbf}.
d. Tighten 85°-95°.
a. Tighten to 140 Nm {14 kgf-m, 103 ft-lbf}.
b. Loosen 360οΏ½ (one full turn) in reverse order.
c. Tighten to 47-53 Nm {4.8-5.4 kgf-m, 35-39 ft-lbf}.
d. Tighten 85°-95°.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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