8th Gear
8th Gear Clutch Application Chart
| Gear | A Clutch (1, 2, 3, 4, 5) | B Clutch (4, 6, R) | C Clutch (3, 7) | One-Way Clutch (1) Hydraulic Selectable One-Way Clutch (SOWC) | E Clutch (5, 6, 7, 8) | F Clutch (2, 8) | ||
|---|---|---|---|---|---|---|---|---|
| 6th Gear D | O/R | D | H | |||||
| Planetary components | Output sun | Reaction sun | Overdrive sun | Overdrive/reaction input ring gear | Reaction carrier | Overdrive sun | ||
H = Holding
D = Driving
O/R = Over Running
8th Gear Solenoid Operation Chart
| Base Selector Lever Position | PCM Commanded Gear | SSA (1, 2, 3, 4, 5) | SSB (4, 6, R) | SSC (3, 7) | One-Way Clutch (1) | SSD (R, 1) | SSE (5, 6, 7, 8) | F Clutch (2, 8) | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 6 | Off | Off | Off | Off | On | On | |||||
Powerflow
| Item | Description |
|---|---|
| 1 | Output planetary |
| 2 | Input planetary |
| 3 | Reaction planetary |
| 4 | Overdrive planetary |
| 5 | E (5, 6, 7, 8) clutch |
| 6 | B (4, 6, R) clutch |
| 7 | C (3, 7) clutch |
| 8 | F (2, 8) clutch |
| 9 | One-Way Clutch (OWC) |
| 10 | Hydraulic SOWC |
| 11 | A (1, 2, 3, 4, 5) clutch |
| 12 | 1621 rpm |
| 13 | 0 rpm |
| 14 | 1000 rpm |
| 15 | Held components |
| 16 | Driven components |
8th Gear Position
| Item | Description |
|---|---|
| 1 | Held components |
| 2 | Driven components |
| 3 | F (2, 8) clutch |
| 4 | E (5, 6, 7, 8) clutch |
- In eighth gear, the F (2, 8) clutch holds the overdrive sun gear stationary.
- The E (5, 6, 7, 8) clutch drives the reaction planetary carrier at turbine shaft speed (1000 rpm).
- The reaction ring and the output carrier rotates at 1621 rpm or a 0.617:1 ratio.