Page 83 - Hydra-matic 6 Speed RWD Technician's Guide (October 2005)

62

(51)
ASSEMBLY
(64)
HELD
1-2-3-4 AND 3-5
2-6 AND
REVERSE CLUTCH
ASSEMBLY
➤
3-5 REVERSE
CLUTCH HUB
3
1-2-3-4
CLUTCH
APPLIED
1-2-3-4
APPLIED
CLUTCH
➤ ➤ ➤ (1) CONVERTER TORQUE POWER FROM 1
➤
2-6
APPLIED
CLUTCH
➤ ➤ DRIVING GEAR INTERNAL INPUT 2
(52)
INPUT
DRIVEN
CARRIER
ASSEMBLY
➤
(67)
CENTER
(53)
SUPPORT
HELD
ASSEMBLY
INPUT
➤ DRIVEN APPLIED CLUTCH 2-6 6 DRIVE RANGE – 2ND GEAR
SUN GEAR
(467)
SPRAG
➤
ASSEMBLY
8
LOW CLUTCH
OUTPUT
CARRIER
ASSEMBLY
(487)
HELD
Figure 57
GEAR
INPUT
DRIVING
INTERNAL
FRONT SUN GEAR
OUTPUT CARRIER
➤
(489)
REAR
DRIVING
➤ ➤ ➤ HELD (487) GEAR FRONT SUN CARRIER OUTPUT 7
SUN GEAR
(56)
4-5-6
SHAFT)
CLUTCH
ASSEMBLY
(w/TURBINE
➤ ASSEMBLY DIFFERENTIAL gear ratio of approximately 2.364:1. POWER TO gear, the planetary gearset continues to operate in reduction at a determine the precise moment to shift the transmission. In 2nd module (TCM). The TCM processes this information to and other vehicle sensors are sent to the transmission control DRIVEN speed sensors (input and output), throttle position (TP) sensor, (495) As vehicle speed increases, input signals from the transmission (489) FRONT INTERNAL REAR APP
GEAR
(68)
DRIVEN
CARRIER
OUTPUT
ASSEMBLY
➤
(495)
GEAR
FRONT
DRIVEN
OUTPUT
CARRIER
INTERNAL
DRIVING
CARRIER
OUTPUT
5
(61)
4
REAR INNER
1-2-3-4
PINION GEARS
DRIVING
OUTPUT
CARRIER
ASSEMBLY
CARRIER
DRIVING
CLUTCH HUB
SUN GEAR
REAR INNER
PINION GEARS
(70)
SHAFT
OUTPUT
ASSEMBLY
•
8
4
2
6
7
1
5
3
9
assembly.
of the sun gear.
throttle is released.
3-5 REV.
CLUTCH
rear sun gear (489).
2-6 Clutch Applied
4-5-6
CLUTCH
1-2-3-4 Clutch Applied
by the converter turbine.
clutch hub assembly (64).
carrier front sun gear is held.
2-6
Input Internal Gear Driving
APPLIED
CLUTCH
Power from Torque Converter
Output Carrier Assembly Driven
Output Carrier Front Sun Gear Held
CLUTCH
LOW & REV.
Output Carrier Rear Sun Gear Driving
the 2nd gear ratio of approximately 2.364:1
the transmission to a lower gear ratio, or 3rd gear.
Output Carrier Internal Front Gear Driven
CLUTCH
Output Carrier Rear Inner Pinion Gears Driving
gears drive the output carrier internal front gear (495).
the same direction as the turbine shaft but in reduction.
The output carrier drives the output front pinion gears around
the stationary output carrier front sun gear. The front pinion
When the throttle is released in 2nd gear, the vehicle is
allowed to coast brake. Because the low clutch sprag is not
used in driving the vehicle during acceleration, there are no
Therefore, engine compression slows the vehicle when the
The front pinion gears drive the internal front gear to achieve
elements to overrun to allow the vehicle to coast freely.
carrier rear outer pinion gears which drive the output carrier.
The output carrier rear sun gear drives the inner pinion
As vehicle speed increases, less torque multiplication is needed
gears of the rear carrier assembly in the opposite direction
(52) in reduction. The input carrier is splined to the 1-2-3-4
and 3-5 reverse clutch assembly (51), which is rotating in
3-4 clutch hub assembly (61) and rotates at the same speed
The output carrier rear sun gear (489) is splined to the 1-2-
hub assembly (61), which is splined to the output carrier
The 1-2-3-4 clutch is applied and holds the 1-2-3-4 clutch
and the same direction as the 1-2-3-4 and 3-5 reverse clutch
input sun gear (53) thus driving the input carrier assembly
The 2-6 and 3-5 reverse clutch hub assembly (64) is splined
assembly (67), is applied and holds the 2-6 and 3-5 reverse
The turbine shaft with 4-5-6 clutch assembly (56) is driven
The output carrier rear inner pinion gears drive the output
to the output carrier front sun gear (487), therefore the output
The 2-6 clutch, which is located within the center support
5-6 clutch assembly (56). The input internal gear drives the
input carrier pinion gears which rotate around the stationary
The input internal gear is located in the turbine shaft with 4-
to move the vehicle efficiently. Therefore, it is desirable to shift
62A