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 Mercury MarauderFACTORY OEM SERVICE PROCEDURE

Axle Ratio Code

Fig 1: Identifying Axle Ratio Code

Courtesy of FORD MOTOR CO.

The axle ratios are:

1 - 2.73 conventional (non-limited slip)
4 - 2.73 conventional (non-limited slip)
5 - 3.55 conventional (limited slip)
C - 3.27 (limited slip)
F - 3.55 (locker)

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.