Mazda Transaxle FN4A-EL. Manual — part 8
K1–24
AUTOMATIC TRANSAXLE
DRIVE PLATE PART NUMBER:FNE1 19 370
15. Measure the 3-4 clutch clearance.
(1) Install the 3-4 clutch in the end cover, and set
the dial gauge.
(2) Secure the 3-4 clutch by lightly pressing down
with a press, etc.
(3) Apply compressed air to the part indicated in
the figure and let the 3-4 clutch piston stroke
three times.
Air pressure
392—441 kPa {4.0—4.5 kgf/cm
2
, 57—63 psi}
(4) Apply compressed air and operate the 3-4
clutch piston. Read the value when the
indicator of the dial gauge stops.
(5) Release the compressed air and read the dial
gauge when the 3-4 clutch piston is not
operating.
(6) Calculate the 3-4 clutch clearance according
to the following formula:
step (4) value – step (5) value = 3-4 clutch clearance.
(7) Measure the clearances at four locations (90
°
apart) by following the steps from (3) to (6).
Verify that the average value is within the
specification below.
3-4 clutch clearance
Drive plate part number : FN11 19 370
1.00—1.30 mm {0.039—0.051 in}
Drive plate part number : FNE1 19 370
1.10—1.40 mm {0.043—0.055 in}
(8) If not as specified, remove the snap ring and
measure its thickness.
(9) Add the thickness to the average value
calculated in step (7), and select the snap ring whose range includes the value.
A6E5714A108
A6E5714A047
A6E5714A048
A6E5714A049
AUTOMATIC TRANSAXLE
K1–25
K1
Snap ring sizes
(10)Install the selected snap ring and perform steps (2) to (7) again. Verify that the calculated value satisfies
the clearance specification.
16. Inspect the 3-4 clutch operation.
(1) Install the 3-4 clutch drum to the end cover.
(2) Inspect the 3-4 clutch operation by applying
compressed air as shown.
Air pressure
392—441 kPa {4.0—4.5 kgf/cm
2
, 57—63 psi}
17. Install the 3-4 clutch component to the 2-4 brake
drum.
18. Apply petroleum jelly to the bearing, and secure it
onto the 3-4 clutch component.
19. Install the 3-4 clutch hub.
20. Apply petroleum jelly to the bearing, and secure it
onto the 3-4 clutch hub as shown in the figure.
21. Install the rear sun gear plate onto the 2-4 brake
drum.
22. Install the snap ring.
End Of Sie
Range mm {in}
Snap ring sizes mm {in}
Drive plate part number:FN11 19 370
Drive plate part number:FNE1 19 370
2.250—2.450 {0.089—0.096}
2.350—2.550 {0.093—0.100}
1.2 {0.047}
2.450—2.650 {0.096—0.104}
2.550—2.750 {0.100—0.108}
1.4 {0.055}
2.650—2.850 {0.104—0.112}
2.750—2.950 {0.108—0.116}
1.6 {0.063}
2.850—3.050 {0.112—0.120}
2.950—3.150 {0.116—0.124}
1.8 {0.071}
3.050—3.250 {0.120—0.128}
3.150—3.350 {0.124—0.132}
2.0 {0.079}
3.250—3.450 {0.128—0.136}
3.350—3.550 {0.132—0.140}
2.2 {0.087}
A6E5714A048
X3U517ACS
A6E5714A050
K1–26
AUTOMATIC TRANSAXLE
DIFFERENTIAL DISASSEMBLY/ASSEMBLY
A6E561427100A01
1. Carry out the preinspeciton before disassembly. (See
K1–54 Differential Preinspection
2. Disassemble in the order indicated in the table.
3. Assemble in the reverse order of disassembly.
RIVET FIXED TYPE
.
BOLT FIXED TYPE
.
1
Side gear
2
Thrust washer
3
Roll pin
(See
K1–27 Roll Pin Disassembly Note
4
Pinion shaft
5
Pinion gear
6
Thrust washer
7
Bearings
(See
K1–27 Bearings Disassembly Note
)
8
Sensor rotor
(See
K1–27 Sensor Rotor Disassembly Note
9
Ring gear and gear case
A6E5714A051
1
Side gear
2
Thrust washer
3
Roll pin
(See
K1–27 Roll Pin Disassembly Note
4
Pinion shaft
5
Pinion gear
6
Thrust washer
7
Bearings
(See
K1–27 Bearings Disassembly Note
)
8
Sensor rotor
(See
K1–27 Sensor Rotor Disassembly Note
9
Ring gear
10
Gear case
11
Bolt
A6E5714A052
AUTOMATIC TRANSAXLE
K1–27
K1
Roll Pin Disassembly Note
1. Place the gear case in a vise.
2. Insert a 2.0 mm {0.07 in} punch into the roll pin
hole from the ring gear side, and remove the roll
pin.
Bearings Disassembly Note
1. Remove the bearing (speedometer drive gear
side) from the gear case using the SSTs.
2. Remove the bearing (ring gear side) from the
gear case using the SST.
Sensor Rotor Disassembly Note
•
Remove the sensor rotor from the gear case
using the SSTs.
X3U517AEQ
A6E5714A053
A6E5714A054
A6E5714A055
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