FORD FIESTA 2007 Workshop Manual

308-03-1 1 Manual Transmission/Transaxle 308-03-1 1
DESCRIPTION AND OPERATION
Internal shift mechanism
'
' Layout
Item Description
I I I Selector gate I
1 3 1 Return spring from reverse gear position I
1 4 1 Reverse gear selector shaft I
-
1 7 1 Selector interlock I
5
6
Itern Descri~tion
Snap ring
Shift rod
- 5th gearlreverse gear
1 8 1 Selector shaft I
1 9 1 Guide sleeve I
The shift locking bush prevents two gears from
being engaged at the same time.
The selector interlock maintains engagement of
the selected gear.
Both the shift and the select process is performed
through the selector shaft.
2006.0 Fiesta 121zoo6 G281365en
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308-03-1 2 Manual Transmission/Transaxle 308-03-1 2
DESCRIPTION AND OPERATION
Select movement
/
Item Description If the gearshift lever is moved to the left or right,
1
2
3
The axial movement of the selector cable is
At the same time the shift locking bush prevents
transferred at the transmission to the selector shaft
access to other gear combinations~ which can turn in its bearing.
Shift locking
bush
4
2006.0 Fiesta 1212006 G281365en
the selector shaft and the selector boss both turn
together in the corresponding direction.
Selector shaft
Selector boss As this
happens, the selector shaft is guided by a
pin in the selector gate.
fork.
Selector gate
The
selector boss selects the required selector
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308-03-1 3 Manual Transmission/Transaxle 308-03-1 3
DESCRIPTION AND OPERATION
Shift movement
Item Descri~tion Here the axial movement of the shift cable at the
If the gearshift lever is moved forwards or
backwards, the selector shaft and the selector boss
both move vertically together.
As this happens, the selector shaft is guided by a .
After the gear pair to be shifted has been selected, pin
in the selector gate.
the shift movement takes place. The selector boss shifts the required selector fork.
1
At the same time the shift locking bush prevents
access to other gear combinations.
Shift locking bush
2006.0 Fiesta 1212006 G281365en
transmission produces
an axial movement of the
. selector shaft.
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308-03-1 4 Manual Transmission/Transaxle 308-03-1 4
DESCRIPTION AND OPERATION
Engage reverse gear
Item Descri~tion When shifting into reverse gear, the gearshift lever
engages through a pin in the reverse gear selector
shaft.
During the select and shift process the selector
shaft is guided through the selector gate by a pin.
1 Shift locking bush
movement of the selector cable is transferred to is
moved backwards. The selector boss engages
in the 5th gearlreverse gear shift rod, which in turn
5
6
the selector shaft which can turn in its bearing.
2006.0 Fiesta la2006 G281365en
At the same time the shift locking bush prevents In order to select reverse gear, the gearshift kver access to other gear combinations, must be moved to the right over and past the
reverse gear inhibit device. As this occurs the axial
Selector boss
Selector gate
The reverse gear idler
is slid by the reverse gear
selector shaft and reverse gear is engaged.
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308-03-1 5 Manual TransmissionlTransaxle 308-03-1 5
DESCRIPTION AND OPERATION
Power transmission in the individual gears
2006.0 Fiesta 1212006 G281365en
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308-03-1 6 Manual Transmission/Transaxle 308-03-1 6
DESCRIPTION AND OPERATION
r
2006.0 Fiesta 1212006 G281365en
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308-03-1 7 Manual Transmission/Transaxle 308-03-1 7
DIAGNOSIS AND TESTING
Manual Transaxle
REFER to: Manual Transaxle and Clutch (308-00
Manual
Transmission/Transaxle and Clutch -
General Information, Diagnosis and Testing).
2006.0 Fiesta 12,2006 GI 8097en
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308-03-1 8 Manual Transmission/Transaxle 308-03-1 8
GENERAL PROCEDURES
Bearing Check
1. N0TE:Establish the cause of the damage Check the bearing is correctly lubricated. (.
and resolve it.
Check whether the bearing cage is damaged
at the top, side or at the openings is
damaged because of the unprofessional use
of a special tool or of the wrong tool.
lnstall a new bearing if necessary.
2. Check whether the ends of the taper rollers
are discoloured as a result of inadequate
lubrication or overheating, possibly through
excessive pre-load.
lnstall a new bearing and new seals if
necessary.
Check the bearing is correctly lubricated.
3. Check whether the ends of the taper rollers
are worn away due to incorrect installation,
excessive pre-load or faulty bearing seating.
lnstall a new bearing and new seals if
necessary.
4. Check whether the bearing surfaces are grey
or
greylblack with deposits between the
rollers.
lnstall a new bearing and new seals if
necessary.
Check the bearing is correctly lubricated.
5. Check whether the bearing ring surfaces are
grooved caused by static impact.
lnstall a new bearing if its surface is rough,
or if it is noisy.
2006.0 Fiesta 1212006 G21559en
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308-03-1 9 Manual Transmission/Transaxle 308-03-1 9
GENERAL PROCEDURES
6. N0TE:Overheating can cause loss of surface
hardness.
I Check for a dark blue colour caused by
overheating (yellow or brown is normal) due
to excessive pre-load or inadequate
lubrication.
Install a new bearing, new seals and check
other components as necessary.
7. Check the surfaces for abrasion due to metal
fatigue.
Install a new bearing and clean all other
( ') affected components as necessary.
2006.0 Fiesta 1212006 G21559en
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308-03-20 Manual Transmission/Transaxle 308-03-20
IN-VEHICLE REPAIR
Halfshaft Seal LH(14 303 0)
Special Tool(s) Installation
Removal
1. Remove the left-hand halfshaft.
1. Using the special tool, install the halfshaft
seal.
- -
15058
Materials
3. With the vehicle on a level surface, fill the
transaxle with transmission fluid until the (
fluid level is just below the bottom of the
filler hole.
Installer, Drive Pinion Seal
205-1 1 5 (I 5-058)
Remover, Halfshaft Seal
308-208 (1 6-074)
2. Install the left-hand halfshaft.
For additional information, refer to: Front
Halfshaft LH (205-04 Front Drive Halfshafts,
Removal and Installation).
2. Using the special tool, remove the halfshaft
seal. Name
Specification For additional information, refer to: Front
Discard the seal.
2006.0 Fiesta 1212006 GI 52565en
Halfshaft LH (205-04 Front Drive Halfshafts,
Removal and Installation). Manual transmission
fluid WSD-M2C200-C
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