5th Gear
WARNING: This page is about a different car, the 2018 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.
5th Gear Clutch Application Chart
| Gear | Forward (1, 2, 3, 4) | Direct (3, 5, R) | Intermediate (2, 6) | Low / Reverse (L, R) | Overdrive (4, 5, 6) | Low-OWC |
|---|---|---|---|---|---|---|
| 5th Gear D | D | D | ||||
| Planetary Components | Front sun | Rear sun | Rear sun | Rear carrier/center ring | Rear carrier/center ring | Rear carrier/center ring |
D = Driving
5th Gear Solenoid Operation Chart
| Base Selector Lever Position | PCM Commanded Gear | SSA NL (1, 2, 3, 4) | SSB NH (3, 5, R) | SSC NL (2, 6) | SSD NH (L, R, 4, 5, 6) | SSE (On/ Off) NC | TCC NL |
|---|---|---|---|---|---|---|---|
| D | 5 | Off | Off | Off | Off | Off | On/Off |
NC = Normally Closed
NH = Normally High
NL = Normally Low
Powerflow
- In fifth gear the overdrive clutch drives the rear planetary carrier/center ring gear.
- The direct clutch drives the rear sun gear.
- The turbine shaft transfers torque to the center sun gear, rear sun gear, and rear planetary carrier/center ring gear.
- The torque from the three inputs locks the three planetary gearsets which produces a gear ratio of 1 to 1.
Fail-safe Mode
- Because both SSD and SSB apply the clutches they control when they are turned OFF, 5th gear is the fail-safe.