Ford Falcon. Manual — part 236

307-01-47 Automatic

Transmission 307-01-47

GENERAL PROCEDURES (Continued)

indicates C2 clutch slippage or gear train one way

2. Disconnect the battery for approximately one

clutch slippage. Excessive engine speed in ‘R’

minute.

indicates C3 clutch or B2 band slippage.

3. Reconnect the battery.

Stall speed too low

4. Place the T-bar in the "D" position.

When the stall test speeds are low and the engine is

5. Turn the key to the "RUN" position (Key On

properly tuned, converter stator clutch problems are

Engine Off);

indicated. A road test must be performed to determine 6. Leave the T-bar in "D" for at least ten (10)

the exact cause of the trouble. If the stall test speeds

seconds after key-on.

are 300 to 400 rpm below the specified values, and

7. Move the T-bar to the "Park" position for at least

the car cruises properly but has very poor

ten (10) seconds.

acceleration, the converter stator clutch is slipping. If

8. Move the T-bar to "Neutral" position.

the stall test speeds are 300 to 400 rpm below the

specified values, and the car drags at cruising speeds 9. Ten (10) seconds later, the PRNDL display will

and acceleration is poor, the stator clutch could have

fast flash "N" on the display to confirm that the

been installed backwards. Remove the converter and

"green" strategy has been activated.

check the stator clutch by replacing with a converter

10. The operation is complete and it is safe to either

known to be operating correctly and retesting. Below

key through to start the vehicle, or key off.

standard acceleration in top gear above 50 km/h

To check whether "green" transmission strategy

combined with a substantially reduced maximum

is active

speed, indicates that the stator one-way clutch has

locked in the engaged condition. This condition will

If this procedure is performed when the battery has

also be indicated by the transmission overheating,

not been disconnected, or on a key-on cycle other

although the stall speed will remain as specified.

than the first after battery is disconnected, it will not

Renew the converter.

reset the "green" transmission strategy. Instead it will

fast flash "N" to indicate if the "green" transmission

NOTE: The torque converter is a sealed unit without a

strategy is still active, or "N" will remain steady if the

drain plug. The unit must not be dismantled. If a

strategy has expired (i.e. 1500km/1600km has

converter is unsatisfactory in any way then it must be

elapsed since vehicle or transmission was new).

replaced.

Line Pressure Boost Check

Green Transmission Strategy

This test requires that the vehicle be driven on the

(Retraining for new Automatic

road or on a dynamometer whilst monitoring PID

Transmission)

EPCDC with the WDS tester. There should be a sharp

Where a new automatic transmission has been

rise in line pressure when solenoid No. 6 switches off

installed, or any of the transmission bands or clutches as the vehicle is gently accelerated in Drive or

have been replaced, the Powertrain Control Module

Reverse. This should occur at approximately 8%

(PCM) must be reset for "green" transmission

(93LE)/ 10% (97LE) of throttle opening in Drive or 5%

strategy.

(93LE)/17% (97LE) of throttle opening in Reverse.

This strategy ensures that the line pressure is

Lack of pressure boost: This may be caused by a

regulated to correspond with the lower friction

sticking primary regulator valve, a sticking line

coefficient of new clutch material. The strategy

pressure boost valve, faulty No. 6 solenoid or faulty

remains in effect for 1,500km for all six cylinder

connections or wiring.

variants including SFLPG and Turbo, and 1,600km for

Road testing

all V8 variants including XR8 and GT.
Instructions to activate the "green" transmission

NOTE: A road test, using the WDS tester, will

strategy

determine if the ECU, transmission and converter are

functioning correctly. The WDS tester incorporates:

This procedure is now independent of the WDS. It is a

T-Bar sequence that will only work on the first key-on

a Parameter Identification PID to monitor the state

cycle after the battery has been disconnected

of each ON/OFF solenoid (1, 2, 3, 4, 6 and 7):

SS1-4, EPC and TCC.

NOTE: This reset procedure (Steps 5-9) must be

complete within sixty (60) seconds from the first

a PID to monitor transmission gear state: GEAR.

Key-On in Step 5.

a PID to monitor the current ramp of the Variable

Pressure Solenoid (S5): EPCD

1. Ensure the ignition is off.

G73092 en

307-01-48 Automatic

Transmission 307-01-48

GENERAL PROCEDURES (Continued)

Diagnosis Guide

2. Drive the vehicle normally.

C1 Clutch Failure

Slip or no drive in 3rd

Do solenoids 1, 2, 3, 4 & 5 operate in the

or 4th gear

correct sequence?

Will drive in 1st

Gear Solenoid States

instead of 3rd, and

Gear

S1

S2

2nd instead of 4th

Auto 1

OFF

ON

Normal drive in 1st,

2

OFF

ON

2nd and reverse.

3

OFF

OFF

C2 Clutch Failure

Slip or no forward

drive.

4

ON

OFF

Normal reverse.

Do solenoids 3 and 4 operate during

C3 Clutch Failure

Slip or no reverse

gearshifts?

drive.

Does solenoid 5 current ramp during

Normal forward drive.

gearshifts and return to 0.2 amps when shift

C4 Clutch Failure

No engine braking in

is completed (except in Garage 1& Auto 1)?

Manual 1, D2 or D3.

Is solenoid 6 ON at light throttle and OFF at

B1 Band Failure

No 2nd or 4th gear.

heavy throttle?

Will operation in 1st

Does solenoid 7 indicate converter clutch

instead of 2nd, and

lock-up in 3 and in Drive?

3rd instead of 4th

3. Drive the vehicle at minimum throttle and check

B2 Band Failure

No reverse drive.

shift speeds in both adaptive and performance

Manual 1 will not have

modes.

engine braking.

4. Drive the vehicle at 40% throttle opening and

1-2 OWC Slip

No drive in D1.

check shift speeds in both adaptive and

Drive in Manual 1.

performance modes.

1-2 OWC Seized

D1 will have engine

5. Where safe, and legally permissible, drive the

braking.

vehicle at wide open throttle and check shift

Transmission will lock

speeds in both adaptive and performance modes.

up in other forward

6. Where safe, and legally permissible, check the

gears with probable

Sequential Sports Shift / Manual Downshift and

gear or friction

Kickdown shift speeds. During the road test take

element damage.

note of the shift quality, abnormal noise and any

Reverse will function

evidence of slip or shudder for further

normally.

investigation.

3-4 OWC Slip

No drive in D1.

Probable loss of drive

Air Pressure checks

in Manual 1 because

of C4 clutch burn out.

A ‘NO DRIVE’ condition can exist even with correct

transmission fluid pressure, because of inoperative

3-4 OWC Seized

Transmission lock up

clutches or bands. Inoperative bands can be located

in 4th gear causing

through a series of checks by substituting air pressure

probable damage of

for the fluid pressure to determine the location of the

C1/C2 clutch or B1

malfunction. To make the air pressure checks, drain

band burn out.

the transmission fluid and then remove the oil pan and

control valve body. The inoperative units can be

Road Test

located by introducing air pressure into the

1. Check that the engine will only start in Neutral

transmission passages leading to the bands.

and Park.

CAUTION: Do not apply air pressure to the

C4 clutch passage as this may dislodge the piston

‘O’ ring.

G73092 en

307-01-49 Automatic

Transmission 307-01-49

GENERAL PROCEDURES (Continued)

Pressure Apply Ports

Servos

Transmission fluid level adjustment

Apply air pressure to the inner passage of each servo.

The band will be seen to tighten around the drum if

WARNING: Do not touch a hot exhaust pipe

the servo is operating. Apply air pressure to the outer with your hands or allow transmission fluid to

passage of each servo. Again the band will be seen to contact the exhaust pipe.

tighten around the drum if the servo is operating.

NOTE: The transmission is sealed from the factory, oil

While holding air pressure to the outer passage of the level and oil condition checks should only be required

front servo apply air pressure to the release passage

when fluid leakage from the transmission or reduced

of the front servo. The air pressure in the release

transmission performance has occurred.

passage, aided by the return spring, should release

To determine the correct fluid level, proceed as

the front band against the apply pressure.

follows:
1. Place the transmission selector in ‘PARK’ -

Engine switched OFF.

G73093 en

307-01-50 Automatic

Transmission 307-01-50

GENERAL PROCEDURES (Continued)

2. Raise the vehicle on a hoist or place on a service 4. Partially fill the transmission (if the vehicle is on a

pit.

hoist, it should be lowered). Ensure the

park-brake is applied and the selector lever is in

3. The transmission sump should be warm to touch

the ‘PARK’ position. Start the engine and allow to

(this indicates that the transmission is at the

idle, cycle the transmission selector through all

correct temperature for checking oil level).

positions while adding transmission fluid until gear

If the vehicle is at operating temperature -

application is felt.

allow the vehicle to cool down for two, but no

Filler Plug Location

greater than four hours (while hot, the ATF

level is higher and removing the filler plug

may result in oil being expelled from the filler

hole, this will result in low ATF level).
If the engine is cold - the vehicle should be

driven between 3.5 and 4.5 kilometres at light

throttle so engine does not exceed 2500RPM.

4. Clean all dirt from around the service plug prior to

removing. Allow approx. 3 minutes for

transmission oil drainback. Remove the filler plug

and check the O-ring for damage (replace as

necessary).

5. The correct fluid level is reached when the ATF is

level with the bottom of the filler hole, if the level

is low install the filler pump and add oil to the

NOTE : Approx. 9 litres if converter is empty

correct level. When the level is correct, refit and

(dry transmission). Approx. 4 litres if converter

tighten the filler plug to 30 - 35 Nm.

is full (Service refill). An additional 0.5 litres

Filling a drained/dry transmission and

when gear application is felt as above.

convertor to determine the correct

CAUTION: Be careful not to spill oil

fluid level

during the filling procedure.

1. Place the transmission selector in ‘PARK’ -

5. Switch off the engine, remove the oil filler tube

Engine switched OFF.

and refit the filler plug (raise the vehicle on the

hoist if required). The plug is to be tightened to

2. Raise the vehicle on a hoist, or place on a pit (if

30-35Nm.

the vehicle is placed on stands, it should be kept

level).

6. The vehicle should be driven on light throttle so

theengine does not exceed 2500RPM for approx.

3. Clean all dirt from around the service fill plug prior

3.5 to 4.5 kilometres.

to removing the plug. Remove the oil service fill

plug, clean the plug and replace the O-ring as

7. While the engine is idling and with the brake

necessary. Install the oil filler tube into the

applied, cycle the transmission selector through

transmission filler hole.

all gear positions.

8. Stop the engine and raise the vehicle ensuring

the vehicle is level.

9. Allow the vehicle to sit for 3 minutes after the

engine has been turned off. The transmission

sump should be warm to touch. Remove the filler

plug, the correct level is reached when the

transmission fluid is aligned with the bottom of the

filler hole. If the level is low, add a small quantity

of transmission fluid and recheck.

10. Refit the transmission filler plug and tighten to

30-35 Nm. Clean all transmission fluid from the

transmission.

G73093 en