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.
2004 Ford Mustang Mach 1, AutomaticFACTORY OEM SERVICE PROCEDURE
General Specifications
GENERAL SPECIFICATIONS
| Item | Specification |
|---|---|
| Fluid MERCON® V is not interchangeable at this time with the current MERCON® fluids. Check the transmission fluid level indicator to determine the correct fluid and refer to the Owner publication to determine the correct service interval for the specific vehicle. |
|
| Motorcraft MERCON® V Transmission Fluid XT-5-QM | MERCON®V |
| Fluid Capacities | |
| 3.8L engine | 13.2L (13.9 quarts) |
| 4.6L engine | 12.0L (12.8 quarts) |
| Fluid Filter | |
| In-line Transmission Fluid Filter Kit | XC3Z-7B155-AA |
| In-line Transmission Fluid Filter | XC3Z-7B155-BA |
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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