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.
Transmission Case
2012 Ford Focus L4-2.0LSECTION Transmission Case
Transmission Case
WARNING: Before beginning any service procedure, REFER to Safety Warnings . Failure to follow this instruction may result in serious personal injury.
Special Tool(s)
Disassembly
1. Remove and discard the halfshaft seal.
2. Using 205-153 (T80T-4000-W) and 307-678 , remove the differential gear case bearing cup.
Assembly
1. NOTE: NOTE: If new differential bearings, differential, clutch housing or transmission case are installed, measure the differential shim for the correct size. REFER to Differential Shim Selection .
Using 204-594 , 205-140 (T80T-4000-F) and 307-678 , install the differential gear case bearing cup.
2. Install the halfshaft seal on 307-671 and 205-153 (T80T-4000-W).
3. Using 307-671 and 205-153 (T80T-4000-W) , install the new halfshaft seal.
RENDER: 1.0x
NO RELATED
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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.