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
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
procarmanuals.com
Manual Transmission/Transaxle and Clutch -
General Information
SPECIFICATIONS
Lubricants, Fluids, Sealers and Adhesives
Description Specificat
I ions I
Manual transmission fluid
I High melting point grease
Super DOT 4 brake fluid
Clutch Dimensions
I Description I Litres 1 '"<
fluid: 10 - 15
mm below the lower edge of the fluid
filler plug
--
2.3
Description
Pedal travel
Worn clutch disc discard thickness*
Clutch disc diameter:
1.25Ll1.4L Duratec-1 6V (Sigma)
Clutch disc diameter:
1.6L Duratec-I 6V (Sigma)
Clutch disc diameter:
2.OL Duratec-HE (M14)
Clutch disc diameter: 1.4U1.6L Duratorq-TDCi (DV) Diesel
Clutch disc diameter:
1.3L Duratec-8V (Rocam)
mm
135k5
7
190
210
220
210 190
* When the discard thickness has been reached, install a new clutch disc.
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Manual Transmission/Transaxle and Clutch -
308-00-3 General Information 308-00-3
DIAGNOSIS AND TESTING
Manual Transaxle and Clutch
lnspection and Verification
General Equipment selected with the engine running and the parking
brake applied, without any concerns, the clutch
2. If the gear@) cannot be selected, REFER to
Symptom Chart.
Ultraviolet
fluid leak detection equipment
1. Verify the customer concern.
Transaxle noise concerns
2. Visually inspect for obvious signs of mechanical is
OK.
damage. 1. Check the engine and transaxle support for
Oil leaks.
Visibly damaged or worn components.
Visual lnspection Chart insufficient gap between the transaxle and the
body.
REFER to:
RoadlRoller Testing (1 00-00 General
Information, Description and Operation).
Mechanical 2. Road test the vehicle.
4. If the cause is not evident, verify the symptom
and REFER to Symptom Chart.
Oil leakage concerns
Loose or missing nuts or bolts.
( I The following checks should be carried out before
repairing or installing a new transaxle. 1.
Check the transaxle fluid level. If necessary,
3. If a noise occurs in various gears at the same
- - drain off any excess fluid.
The inspection and verification of manual transaxle
concerns can be considered in three main areas. 2. Clean the transaxle and the adjacent areas
carefully and road test the vehicle.
engine speed,
check if the noise also occurs in
3. If an obvious cause for an observed or reported the neutral position.
If it does, the noise is not
concern is found, correct the cause (if possible) caused
by the transaxle.
before proceeding to the next step. 4.
REFER to Symptom Chart.
Gear shifting concerns REFER to: RoadlRoller Testing (1 00-00 General
Information, Description and Operation).
1, Check the operation of the clutch: Lay a block 3. U~ing suitable ultraviolet fluid leak detection
of wood approximately
25 mm thick under the equipment, locate
the leak and check whether
clutch pedal and depress the clutch pedal as the leaking fluid
is transaxle fluid, brake fluid
far as the stop. If first or second gear can be (from the hydraulically operated clutch)
or
engine oil.
4. REFER to Symptom Chart.
Symptom Chart
Symptom Possible Sources Action
I
Clutch slippage Clutch master
cylinder.
Clutch slave cylinder.
Clutch pressure plate.
Clutch disc.
Engine or transaxle housing oil
or fluid
leak@).
GO to Pinpoint Test A.
Clutch chatter or shudder Engine and transaxle
mounts. REFER to:
Noise, Vibration and
Harshness (NVH) (1 00-04,
Diagnosis and Testing).
Clutch pressure plate.
Clutch disc.
Flywheel.
--
GO to Pinpoint Test B.
- -
2006.0 Fiesta 1212006 G25629en
procarmanuals.com
Manual Transmission/Transaxle and Clutch -
308-0014 General Information 308-00-4
DIAGNOSIS AND TESTING
Symptom
Possible Sources Action
Insufficient brake fluid. FILL the brake master cylinder
reservoir to the MAX mark.
INSPECT the brake and clutch
hydraulic systems for leaks.
REPAIR as necessary. I
Air in the clutch hydraulic
system.
Clutch pedal free travel.
Clutch pressure plate.
Clutch disc.
Crankshaft end play.
Clutch pressure plate.
Clutch disc.
Crankshaft end play.
Clutch drag.
BLEED the system.
REFER to: Clutch System
Bleeding (308-00 Manual
Transmission/Transaxle and
Clutch
- General Information,
General Procedures).
GO to Pinpoint Test C.
INSTALL a new clutch disc and
pressure plate.
REFER to: Clutch Disc and
Pressure Plate (308-01
Clutch, Removal and Installa-
tion).
CHECK the crankshaft end
play.
REFER to: Crankshaft End
Play (303-00 Engine System
- General Information,
General Procedures).
GO to Pinpoint Test C.
Gearshift cable adjustment CHECK the gearshift cable
adjustment.
REFER to: Gearshift Cable
Adjustment (308-00 Manual
Transmission/Transaxle and
Clutch
- General Information,
General Procedures).
External controls. CHECK the external controls
for wear or damage. INSTALL
new components as necessary.
Gear wheels. DISASSEMBLE the transaxle. I
REFER to: Transaxle (308-03
Manual Transmis-
sion/Transaxle, Disas-
sem bly).
INSTALL new components as
necessary.
2006.0 Fiesta 1212006 G25629en
procarmanuals.com
Manual Transmission/Transaxle and Clutch -
308-00-5 General Information 308-00-5
DIAGNOSIS AND TESTING
Symptom
Excessive noise Possible Sources
Action
Selector mechanism.
DISASSEMBLE the transaxle.
REFER to: Transaxle (308-03 Manual Transmis-
sionITransaxle, Disas-
sem bly).
INSTALL new components as
necessary.
DISASSEMBLE the transaxle.
REFER to: Transaxle (308-03 Manual Transmis-
sionITransaxle, Disas-
sem bly).
INSTALL new components as
necessary.
Engine vibrations inadequately
damped.
REFER to: Noise, Vibration and
Harshness (NVH) (1 00-04,
Diagnosis and Testing).
Transaxle fluid level low. CHECK the transaxle for leaks.
I TOP UP the transmission fluid.
Engine or transaxle is in
contact with the chassis or
body. REFER
to:
PowertrainIDriv-
etrain Mount Neutralizing
(1 00-04 Noise, Vibration and
Harshness, General Proced-
u res)
.
Engine and transaxle out of
alignment. REFER
to: PowertrainIDriv-
etrain Mount Neutralizing
(I 00-04 Noise, Vibration and
Harshness, General Proced-
u res)
.
External controls. CHECK the external controls
for wear or damage. INSTALL
new components as necessary.
Gear wheels and bearings.
DISASSEMBLE the transaxle.
REFER to: Transaxle (308-03
Manual Transmis-
sion/-rransaxle, Disas-
sem bly).
INSTALL new components as
necessary.
Clutch pedal. I GO to Pinpoint Test D.
Clutch release bearing.
Fluid leakage Clutch master cylinder.
Clutch slave cylinder.
Clutch hydraulic lines.
INSPECT the brake and clutch
hydraulic systems for leaks.
REPAIR as necessary.
2006.0 Fiesta 1212006 G25629en
procarmanuals.com
Manual Transmission/Transaxle and Clutch -
308-00-6 General Information 308-00-6
DIAGNOSIS AND TESTING
Symptom Possible Sources
Action
Halfshaft seal. INSTALL
a new halfshaft seal.
REFER to: (308-03 Manual
Transmission/Transaxle)
Halfshaft Seal LH (In-vehicle
Repair),
Halfshaft Seal RH (In-vehicle
Repair).
Fluid leak between the
transaxle housing sections. DISASSEMBLE the transaxle
and clean the mating faces.
CHECK the mating faces for
damage. SEAL the transaxle
with sealant.
REFER to: Transaxle (308-03
Manual Transmis-
sion/-rransaxle, Assembly).
PINPOINT TEST A
: CLUTCH SLIPPAGE
TEST CONDITIONS
DETAILSIRESU LTSIACTIONS
Al: TEST CLUTCH SLIPPAGE
Lock the wheels and apply the parking brake.
Start the engine and engage fourth gear.
Run the engine at approximately 2000 rpm.
Release the clutch pedal slowly.
Does the engine stall when the clutch pedal is
fully released?
+ Yes Clutch OK.
+ No
GO to
A2.
A2: CHECK THE CLUTCH PEDAL OPERATION
Depress clutch pedal and allow it to return.
Does the pedal return to the initial position?
+ Yes
GO to A3.
-, No
GO to A4.
2006.0 Fiesta 1212006 G25629en
procarmanuals.com
Manual Transmission/Transaxle and Clutch -
308-00-1 2 General Information 308-00-1 2
GENERAL PROCEDURES
Clutch System Bleeding(l6 843 0)
Special Tool(s) 6. Fill the reservoir of the special tool with (,, .
I Hand Vacuum approximately 100 ml of new brake fluid.
7. N0TE:Make sure that the special tool
reservoir is positioned lower than the bleed
nipple.
Install the special tool.
Super DOT 4 Brake
1 Fluid
I
Materials
Name Specification
ESD-M6C57-A
A WARNING: Brake fluid contains polyglycol
ethers and polyglycols. Avoid contact with
the eyes. Wash hands thoroughly after
handling. If brake fluid contacts the eyes,
flush the eyes for 15 minutes with cold
running water. Get medical attention if
irritation persists. If taken internally, drink
8. Using the special tool, bleed the clutch
water and induce vomiting. Get medical system.
attention immediately. Failure to follow
Pump approximately 80 ml of brake fluid into
these instructions may result in personal the clutch svstem. (
injury. w
9. Close the bleed nipple. A CAUTI0N:Y brake fluid is spilt on the
paintwork, the affected area must be 10.
Remove the special tool.
immediately washed down with cold water.
11. Lower the vehicle, if necessary.
N0TE:lf proprietary brake bleeding equipment is
available, this can be used to bleed the clutch
system, following the method below. The maximum
pressure must not exceed
1.5 bar.
N0TE:The clutch control system is self-venting.
The components are arranged in such a way that
small amounts of air trapped in the system are
removed automatically during clutch operation.
12. In order to remove any small amounts of
trapped air remaining in the system,
operate the clutch pedal several times
(maximum five times), using the full clutch
pedal travel.
13. Check the fluid level in the brake fluid
reservoir and top up to the MAX mark with
brake fluid if necessary.
1. Remove the air cleaner, if necessaryfor 14. Install the battery tray, if necessary.
additional information, refer to
Section
303-12 [Intake Air Distribution and 15.
Install the battery, if necessary. For
Filtering]. additional
information, refer to
Section 414-01 [Battery, Mounting and
2. Remove the battery, if necessary. For
Cablesl.
additional information, refer to
Section
414-01 [Battery, Mounting and . 16. Install the air cleaner, if necessary. For
Cables]. additional
information, refer to
Section 303-1
2 [Intake Air Distribution and - 3. Remove the battery tray, if necessary.
Filtering]. (' L 4. Drain the brake fluid reservoir.
17. Test the clutch control system for normal "I-
5. Raise and support the vehicle, if necessary. operation.
For additional information, refer to
Section 100-02 [Jacking and Lifting].
2006.0 Fiesta 1212006 GI 83752en
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