2007 FORD FIESTA Workshop Manual

Automatic Transmission/Transaxle -
Vehicles With: 4-Speed Automatic
307-01 49 Transmission (AW81-40) 307-01 -49
DIAGNOSIS AND TESTING

Test Results
Higher than specification in 'Dl (DRIVE)
Higher than specification in
'R' (REVERSE)
Lower than specification in 'D' (DRIVE)
Lower than specification in
'R' (REVERSE)
Possible Source
Pressure control solenoid inoperative.
Pressure regulator valve sticking.
Forward clutch failure (slipping).
One-way clutch No.2 failure.
Pressure control solenoid inoperative.
Pressure regulator valve sticking.
Reverse clutch failure (slipping).
First and reverse brake failure (slipping).
Drive hydraulic circuit failure.
Forward clutch failure.
Pressure control solenoid inoperative.
Pressure regulator valve sticking.
Worn oil pump.
Oil strainer blocked.
Fluid leak from each clutch hydraulic circuit.
( Time Lag Test 1. Using a suitable stop watch, measure the time
lag three times and calculate the average time.
Time lag is the time between moving the selector Record the
time lag and refer to the time lag
lever from
IN' (NEUTRAL) to ID' (DRIVE) or IN' chart.
(NEUTRAL) to 'R' (REVERSE). With the parking 2. If the time lag is not within specification, refer
brake applied the vehicle must not move if the
to the time lag diagnosis chart.
selector lever is moved from 'N' (NEUTRAL) to
ID'
(DRIVE) or 'N' (NEUTRAL) to 'R' (REVERSE). Time Lag Chart
Drive is engaged when the vehicle starts to rise.
A WARN1NG:Apply the parking brake firmly IN' (NEUTRAL) to ID' while carrying out each test. 1 (DRIVE)
(NEUTRAL) and run the engine at 1000 rpm
for approximately
1 minute to allow the
torque converter to cool.
less than 1.0 seconds
CAUTI0N:After testing each of the
following ranges
'D' (DRIVE) and 'R'
Range
I Lower than specification in IN' (NEUTRAL) to 'Dl I Pressure control solenoid inoperative.
Ti me
(REVERSE), move the selector lever to 'N'
'N' (NEUTRAL) to 'R'
(REVERSE)
Time Lag Diagnosis Chart
(DRIVE) less
than 1.2 seconds
Test Results
Pressure regulator valve sticking.
Forward clutch failure (slipping).
Possible Source
I Timing solenoid failure.
I I Drive hydraulic circuit failure. I
2006.0 Fiesta IZIZOO~ G371498en
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Automatic Transmission/Transaxle -
Vehicles With: 4-Speed Automatic
Transmission
(AW81-40)
DIAGNOSIS AND TESTING
Test Results
Lower than specification in 'N' (NEUTRAL) to 'R'
(REVERSE)
Possible Source
Pressure control solenoid inoperative.
Pressure regulator valve sticking.
Reverse clutch failure (slipping).
First and reverse brake failure (slipping).
Reverse hydraulic circuit failure.,
(I.
2006.0 Fiesta 1212006 G371498en
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Automatic Transmission/Transaxle -
Vehicles With: 4-Speed Automatic
307-01 -51 Transmission (AW81-40) 307-01 -51 -
GENERAL PROCEDURES
~ransmission Fluid Level Check
( I General Equipment 5. Using WDS, check that the transmission fluid
Worldwide diagnostic system (WDS) temperature is between 50°C and 60°C.
1 6. Remove the transmission fluid level
Materials
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.
For additional information, refer to: Health
and Safety Precautions (1 00-00 General
Information, Description and Operation).
See
- Transmission Fluids.
1. N0TE:Make sure that the transmission is not
in emergency operation mode.
Connect the worldwide diagnostic system
(WDS) to the data link connector (DLC). indicator.
Automatic transmission
lfluid
*' AWARNING:M~~~ sure that
the parking
brake control lever is in the fully applied
position. Failure to follow this instruction
may result in personal injury.
Name
Specification
WSS-M2C924-A
Start the engine.
3. Move the transmission selector lever through
all the gear ranges, allow sufficient time for
each position to engage.
4. Move the transmission selector lever to the
"P" (PARK) position. 7.
Check the transmission fluid level and top
up with clean automatic transmission fluid
if necessary.
For additional information, refer to: Health
and Safety Precautions (1 00-00 General
Information, Description and Operation).
See
- Transmission Fluids.
Make sure that, with the transmission in the
"P" (PARK) position, the oil level is between
the "MIN" and "MAX" mark.
v v
MIN 55°C MAX A A
ELE0008136
2006.0 Fiesta 1212006 G371500en
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Automatic Transmission/Transaxle -
Vehicles With: CSpeed Automatic
307-01 -52 Transmission (AW81-40) 307-01 -52
GENERAL PROCEDURES
8. Install the transmission fluid level indicator.
9. Switch the engine off.
10. Disconnect the WDS from the DLC.
2006.0 Fiesta 1212006 G371500en
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Automatic Transmission/Transaxle -
Vehicles With: 4-Speed Automatic
307-01 -53 Transmission (AW81-40)
307-01 -53
GENERAL PROCEDURES
Transmission Fluid Drain and Refill
I I Name Specification
Discard the drain plug seal.
1 Materials
--
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.
I I
Automatic transmission
lfluid-
For additional information, refer to: Health 3, NOTE:lnstall a new drain plug seal. and Safety Precautions (1 00-00 General
Information, Description and Operation).
N0TE:Clean the drain plug thread.
See - Transmission Fluids.
Install the drain plug.
1. Raise and support the vehicle.
WSS-M2C924-A
For additional information, refer to: Jacking
(1 00-02 Jacking and Lifting, Description
and Operation)
I Lifting (100-02 Jacking and Lifting,
Description and Operation).
2. N0TE:lf an internal transaxle concern is
suspected, drain the fluid through a paper
filter. A small amount of metal or friction
particles may be found from normal wear.
However,
if excessive metal or friction
particles are present, a detailed inspection
of the transaxle will be required.
Drain the transaxle.
4. Lower the vehicle.
For additional information, refer to: Health
5. Remove the transmission fluid level
and Safety Precautions
(1 00-00 General indicator.
Information, Description and Operation).
See
- Transmission Fluids.
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 ~371501 en
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Automatic TransmissionlTransaxle -
Vehicles With: 4-Speed Automatic
307-01 -54 Transmission
(AW81-40) 307-01 -54
GENERAL PROCEDURES
6. Fill the transaxle with automatic transmission
fluid.
For additional information, refer to:
Specifications (307-01 Automatic
Transmission/Transaxle - Vehicles With:
4Speed Automatic Transmission
(AW81-40), Specifications).
7. Check the transmission fluid level.
For additional information, refer to:
Transmission Fluid Level Check (307-01
Automatic
Transmission/Transaxle -
Vehicles With: 4-Speed Automatic
Transmission
(AW81-40), General
Procedures).
2006.0 Fiesta 1212006 G371501 en
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Automatic Transmission/Transaxle -
Vehicles With: 4-Speed Automatic
307101 -55 Transmission (AW81-40) 307-01 -55
IN-VEHICLE REPAIR
Transmission Range (TR) Sensor
Removal
1. Shift the transmission selector lever to the ACAUTION:H~I~ the manual shift lever
"N" (NEUTRAL) position. while loosening
or tightening the manual - -
2. Raise and support the vehicle. shift
lever locking nut to prevent rotational
torque being transmitted to the TR sensor
For additional information, refer to: Jacking
and shift mechanism.
(1
00-02 Jacking and Lifting, Description
and Operation) Remove
the manual shift lever (automatic
I Lifting (1 00-02 Jacking and Lifting, transaxle
shown removed for clarity).
Description and Operation).
3. Disconnect the transmission range (TR)
sensor electrical connector.
6. Remove the nut and locking washer
(automatic transaxle shown removed for
clarity).
4. Detach the selector lever cable from the Unbend the locking washer tangs.
manual shift lever.
1. Detach the selector lever cable from the
manual shift lever.
2. Detach the selector lever cable from the
selector lever cable bracket.
7. N0TE:The TR sensor retaining bolts can be
reused three times. Mark the retaining bolts
to indicate usage.
2006.0 Fiesta 1212006 G371502en
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Automatic Transmission/Transaxle -
Vehicles With: 4Speed Automatic
307-01 -56 Transmission (AW81-40) 307-01 -56
IN-VEHICLE REPAIR
Remove the TR sensor (automatic transaxle Bend the locking washer tangs.
shown removed for clarity).
Installation
3m &LCAUTION:C~~~~ that the manual shift
lever is in the "N" (NEUTRAL) position.
1. N0TE:The transmission range (TR) sensor Adjust
the TR sensor to align the locking
retaining bolts can be reused three times. washer
pointer to the "N" (NEUTRAL)
Check the retaining bolts and install new position scribed on the
TR sensor body.
bolts
if necessary.
N0TE:Do not tighten the TR sensor retaining bolts
at this stage.
Install the TR sensor (automatic transaxle
shown removed for clarity).
4. Tighten the TR sensor retaining bolts
(automatic transaxle shown removed for
clarity).
2. Install the locking washer and nut (automatic
transaxle shown removed for clarity).
I
5. CAUTIONS:
ADO not use air tools to tighten the manual
shift lever locking nut.
--
2006.0 Fiesta 1212006 G371502en
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