Lincoln Navigator: Automatic Transmission - 10-Speed Automatic Transmission – 10R80 / Planetary Assembly. Description and Operation

Planetary Gearset Exploded View

The 10-speed transmission has 4 planetary gearsets. Each gearset consists of a ring gear, a sun gear and a carrier. The gear sets are numbered 1 through 4, from the front to the back of the transmission. There are several direct connections between the gearsets:

• Sun gears No. 1 and 2 are directly connected together with gear splines.
• Planetary carrier No. 1 and ring gear No. 4 are directly connected together with the cylinder (clutch and planetary container).
• Ring gear No. 2 and sun gear No. 3 are directly connected together with a shaft.
• Ring gear No. 3 and shell and sun gear No. 4 are directly connected together through the shell of the shell and sun gear No. 4.