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.
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HOMESERVICE MANUALSFORD2007FOCUS SES, 4D SEDAN, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)EXTERNAL PAGESDIFFERENT CARSECTION 1128 (AUTOMATIC TRANSMISSION - 4R70E/W, 4R75E/W)DESCRIPTION AND OPERATIONGEARTRAINNOTES
2007 Ford Focus SES, 4D Sedan, Standard
Description And Operation: GEARTRAIN: Notes
2007 Ford Focus SES, 4D Sedan, StandardSECTION Notes
WARNING: This page is about a different car, the 2008 Ford RV Cutaway, 2008 Ford Econoline, and 2008 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
Power is transmitted from the torque converter to the Ravigneaux geartrain components through the input shaft and forward clutch cylinder.
- The geartrain contains a Ravigneaux planetary set connected by dual pinion gears.
- By holding or driving certain components of the gearset, 4 forward ratios and 1 reverse ratio are obtained and transmitted to the output shaft. The ratios are as follows:
| Gear Ratio | |
|---|---|
| 1st | 2.84 to 1 |
| 2nd | 1.55 to 1 |
| 3rd | 1.00 to 1 |
| 4th | 0.70 to 1 |
| Reverse | 2.32 to 1 |
- Components of the geartrain can be held by bands or clutches and driven by clutches only.
This transmission uses:
- two bands.
- two one-way clutches (one roller, one mechanical diode).
- four friction clutches.
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.