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.
2013 Ford Mustang V8-5.8L SCFACTORY OEM SERVICE PROCEDURE
System Specifications
Rear axle lubricant
Without Cooler 4 pints (1.9 L)
With Cooler 6 pints (2.8 L)
Rear axle fluid friction modifier
Without Cooler 4 oz. (118 ml)
With Cooler 6 oz. (177 ml)
Note: Rear axle lubricants do not need to be checked or changed unless a leak is suspected, service is required or the axle assembly has been submerged in water. The axle lubricant should be changed any time the rear axle has been submerged in water. For vehicles with a cooler, the axle pump must be running to perform the service refill.
Note: Fill 1/4-9/16 in. (6-14 mm) below bottom of fill hold.
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:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.