2007 FORD FIESTA wheel

Automatic Transmission/Transaxle -
Vehicles With: 4-Speed Automatic
Transmission
(AW81-40)
DESCRIPTION AND OPERATION
1 3 1 I st - 3rd gear clutch I
Item Description
1 4 1 Small sun gear I
1
2
-
1 6 1 Planet gear carrier I
From the torque converter
Transmission input shaft
10 Annulus and output wheel
of the planetary
1 lgearset
I 11 I Intermediate gear stage I
1 12 1 Differential assembly I
)I 2nd - 4th gear brake I
1 14 12nd gear one-way clutch I
1 15 1 Large sun gear I
1 17 1 3rdl4th gear clutch I
I A I Planetary gearset, rear I
I B I Planetary gearset, front I
The drive is transmitted from the torque converter
(I) on the one hand to the transmission input shaft
(2) and via the 1st-3rd gear clutch (3) to the small
sun gear
(4), and on the other hand from the
transmission input shaft via the
3rdl4th gear clutch
(17) to the planet gear carrier (6).
As the drive is transmitted to two components
simultaneously, there are no relative movements
within the planetary
gearset. The planetary gearset
rotates as a complete unit.
N0TE:The 2nd-4th gear brake (1 3) remains
engaged, but the large sun gear
(I 5) can rotate in
the same direction of rotation as the output from
the engine by means of the 2nd gear one-way
clutch
(14), as a result of which the 2nd-4th gear
brake has no influence on the transmission ratio.
The Annulus (1
0) is fixedly connected to the output
wheel of the planetary
gearset and drives the
intermediate gear stage (1 1
) in the opposite
direction of rotation to the output from the engine.
The intermediate gear stage drives the differential
assembly (12) in the same direction of rotation as
the output from the engine.
2006.0 Fiesta 1212006 G380528en
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Automatic Transmission/Transaxle -
Vehicles With: 4-Speed Automatic
307-01 -25 Transmission (AW81-40) 307-01 -25
DESCRIPTION AND OPERATION
Item Descriotion
I 1 I From the torque converter I
~l%ansmission input shaft I
1 4 1 Small sun gear I
1 6 1 Planet gear carrier I
1 8 1Short planet gear I
1 9 1 Long planet gear I
10 Annulus and
output wheel of the planetary
/ (gearset
I 11 I Intermediate gear stage I
1 12 1 Differential assembly I
1 13 12nd - 4th gear brake I
1 14 1 2nd gear one-way clutch I
1 15 1 Large sun gear I - --
1 16 14th gear brake I
1 17 1 3rdl4th gear clutch I
~Iianetary gearset, rear I
I B I Planetary gearset, front I
Drive is transmitted from the torque converter (I)
to the transmission input shaft (2) and via the
3rdl4th gear clutch (1 7) to the planet gear carrier
(6).
The large sun gear (15) is held by the 4th gear
brake
(16), the 2nd gear one-way clutch (14) and
the 2nd-4th gear brake
(1 3).
N0TE:The short planet gears (8) and the small
sun gear (4) co-rotate, but they have no influence
on the transmission ratio.
The long planet gears (9) drive the annulus (10) in
the same direction of rotation as the output from
the engine.
The annulus is fixedly connected to the output
wheel of the planetary
gearset and drives the
intermediate gear stage
(11) in the opposite
direction of rotation to the output from the engine.
The intermediate gear stage drives the differential
assembly
(12) in the same direction of rotation as
the output from the engine.
2006.0 Fiesta 1212006 G380528en
procarmanuals.com

Automatic Transmission/Transaxle -
Vehicles With: 4-Speed Automatic
307-01 -27 Transmission (AW81-40) 307-01 -27
DESCRIPTION AND OPERATION
Item Description
I 1 I From the torque converter I
1 2 I Transmission input shaft I
1 4 ISmaII sun gear I
11 Planet gear carrier I
1 7 1 Reverse gear brake I
1 8 1Short planet gear I
1 9 1 Long planet gear I
10 Annulus and output wheel
of the planetary
I (gearset
I 11 I Intermediate gear stage I
1 12 1 Differential assembly I
1 15 1 Large sun gear I
1 18 1 Reverse gear clutch I
I A I Planetary gearset, rear I
I B I Planetary gearset, front I
Drive is transmitted from the torque converter (1)
to the transmission input shaft
(2) and via the
r reverse gear clutch (1 8) to the large sun gear (1 5).
The planet gear carrier
(6) is held by the reverse
gear brake
(7).
The large sun gear drives the long planet gears
(9) in the opposite direction of rotation to the output
from the engine.
N0TE:The short planet gears (8) and the small
sun gear (4) co-rotate, but they have no influence
on the transmission ratio.
The long planet gears drive the annulus (1
0) in the
opposite direction of rotation to the output from the
engine.
The annulus is fixedly connected to the output
wheel of the planetary
gearset and drives the
intermediate gear stage (I
I ) in the same direction
of rotation as the output from the engine.
The intermediate gear stage drives the differential
assembly (1 2) in the opposite direction of rotation
to the output from the engine.
2006.0 Fiesta 1212006 G380528en
procarmanuals.com

Automatic TransmissionlTransaxle -
Vehicles With: 4-Speed Automatic
307-01 -37 Transmission
(AW81-40) 307-01 -37
DESCRIPTION AND OPERATION
Sensors
OSS sensor
TSS sensor
The TSS sensor is an inductive pickup.
It measures the transmission input speed via the
outer plate carrier of the
3rdl4th gear clutch and
sends the signal to the transmission control unit.
The transmission control unit uses this signal for:
Torque reduction during gearshifts,
Pressure control during gearshifts,
Shift timing adaptation during upshifts,
Shift timing adaptation during shifts from 3rd to
4th gear,
Shift timing adaptation during shifts from 4th to
3rd gear,
Avoidance of gearshift judder during
engagement of a transmission range,
Torque reduction when pulling away.
Consequences of signal failure:
No TCC,
no torque reduction,
no shift timing adaptation,
no 4th gear. The
OSS sensor is a Hall sensor.
It is mechanically connected via a gear to the input
wheel of the differential assembly.
It measures the vehicle speed via the input wheel
of the differential assembly and sends the signal
to the transmission control unit.
The transmission control unit uses this signal for:
Gearshift control,
Engagement of the TCC,
Torque reduction during gearshifts,
Pressure control during gearshifts,
Shift timing adaptation during upshifts,
Shift timing adaptation during shifts from 3rd to
4th gear,
Shift timing adaptation during shifts from 4th to
3rd gear,
Reverse gear safety strategy,
Avoidance of gearshift judder during
engagement of a transmission range,
Torque reduction when pulling away,
Hill climb mode,
Hill descent mode.
2006.0 Fiesta 1212006 G380530en
procarmanuals.com

Automatic Transmission/Transaxle -
Vehicles With: 4-Speed Automatic
307-01 -58 Transmission
(AW81-40) 307-01 -58
IN-VEHICLE REPAIR
Halfshaft Seal LH
I. 1.NOTE:lnstall a new halfshaft seal.
Special
Tool(s) Discard
the seal.
Removal
Installer, Front Wheel Hub
Seal
204-066 (1 4-028)
Remover, Halfshaft Seal
308-208 (1 6-074)
A WARN1NG:Refer to the Material Safety Data
Sheets for the Automatic Transmission
Fluid
E-AW. Failure to follow this
instruction may result in personal injury.
Certain Transmission and Power Steering
fluids supplied to Ford contain additives
which may cause skin irritation or other
skin reactions after contact.
Installation
For additional information, refer to: Health
and Safety Precautions
(1 00-00 General
Information, Description and Operation).
See
- Transmission Fluids. Using the
special tool, install the halfshaft
seal.
1. Remove the left-hand halfshaft.
2. Install the left-hand halfshaft.
For additional information, refer to: Front
Halfshaft LH
(205-04 Front Drive Halfshafts, For additional
information, refer to: Front
Removal and lnstallation). Halfshaft
LH (205-04 Front Drive Halfshafts,
Removal and lnstallation).
2. Using the special tool, remove the halfshaft
seal.
Allow the fluid to drain into a suitable
container.
For additional information, refer to: Health
and Safety Precautions
(1 00-00 General
Information, Description and Operation).
See
- Transmission Fluids.
-
2006.0 Fiesta 1212006 G371503en
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Automatic Transmission/Transaxle -
Vehicles With: 4-Speed Automatic
307-01 -59 Transmission (AW81-40) 307101 -59
IN-VEHICLE REPAIR
Halfshaft Seal RH
Special Tool@) Discard the seal.
Installer, Front Wheel Hub
Seal
204-066
(1 4-028)
A WARNING:Refer to the Material Safety Data
Sheets for the Automatic Transmission
Fluid E-AW. Failure to follow this
( instruction may result in personal injury. ' , Certain Transmission and Power Steering
fluids supplied to Ford contain additives
which may cause skin irritation or other
skin reactions after contact.
For additional information, refer to: Health
and Safety Precautions (100-00 General
Information, Description and Operation).
See
- Transmission Fluids.
Remover, Halfshaft Seal
308-208
(1 6-074)
1. Remove the right-hand halfshaft. 2. Install the right-hand halfshaft.
For additional information, refer to: Front
Halfshaft
RH (205-04 Front Drive Halfshafts, For
additional information, refer to: Front
Removal and Installation). Halfshaft
RH (205-04 Front Drive Halfshafts,
Removal and lnstallation).
2. Using the special tool, remove the halfshaft
seal.
lnstallation
1. N0TE:lnstall a new halfshaft seal.
Allow the fluid to drain into a suitable
container.
Removal Using the special tool, install the halfshaft
seal.
For additional information, refer to: Health
and Safety Precautions
(1 00-00 General
Information, Description and Operation).
See
- Transmission Fluids.
2006.0 Fiesta 1212006 G371504en
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Automatic Transmission/Transaxle -
Vehicles With: 4-Speed Automatic
Transmission
(AW81-40)
REMOVAL AND INSTALLATION
10. Disconnect the transaxle wiring harness
14. Detach the selector lever cable from the
electrical connector. manual shift lever.
f
11. Disconnect the transmission range (TR)
15. Detach the selector lever cable retaining
sensor electrical connector.
bracket from the transaxle and position
it
to one side.
12. Disconnect the vehicle speed sensor
(VSS)
electrical connector.
16. Remove the transmission fluid level
indicator tube.
13. Remove the front wheels and tires.
For additional information, refer to: Wheel
and Tire (204-04 Wheels and Tires,
Removal and Installation).
2006.0 Fiesta 1212006 G371506en
procarmanuals.com

Automatic Transmission/Transaxle -
Vehicles With: 4-Speed Automatic
307-01 -66 Transmission (AW81-40) 307-01 -66
REMOVAL AND INSTALLATION
23m ACAUTION:P~~~~~~ the ball joint seal
using a soft cloth to prevent damage. Using
a suitable tire lever, detach the
left-hand halfshaft from the transaxle and
secure
it to one side.
Using the special tool, detach the right-hand
tie-rod end from the wheel knuckle.
Allow the oil to drain into a suitable container. --- --.
For additional information, refer to: Health
1. Release the tie-rod end.
and Safety Precautions
(1 00-00 General 2. Remove and discard the tie-rod end retaining
Information, Description and Operation).
nut. See
- Transmission Fluids.
Discard the snap ring.
24* &AUTION:P~~~~~~ the ball joint seal.
I I
Detach the lower arm from the wheel knuckle 26. CAUTIONS:
on both sides.
A~upport the halfshaft. The inner joint
Remove the heat shield. must
not be bent more than 18 degrees.
The outer joint must not be bent more than
45 degrees.
ADO not damage the halfshaft seal.
N0TE:Plug the transaxle to prevent oil loss or dirt
ingress.
For additional information, refer to: Health and
Safety Precautions (1 00-00 General Information,
Description and Operation).
See
- Transmission Fluids.
25. CAUTIONS:
A~upport the halfshaft. The inner joint
must not be bent more than 18 degrees.
The outer joint must not be bent more than
45 degrees.
ADO not damage the halfshaft seal.
N0TE:PIug the transaxle to prevent oil loss or dirt
ingress.
For additional information, refer to: Health and
Safety Precautions
(1 00-00 General Information,
Description and Operation).
See
- Transmission Fluids. Detach
the right-hand halfshaft and the
intermediate shaft from the transaxle and
secure
it to one side.
Discard the center bearing cap and locknuts.
Allow the oil to drain into a suitable container.
For additional information, refer to: Health
and Safety Precautions (1 00-00 General
Information, Description and Operation).
2006.0 Fiesta 1212006 G371506en
procarmanuals.com