Mazda Transaxle FN4A-EL. Manual — part 9
K1–28
AUTOMATIC TRANSAXLE
Assembly Procedure
1. Install the ring gear to the gear case. (bolt fixed
type)
2. Tighten the bolts evenly and gradually in the
order shown. (bolt fixed type)
Tightening torque
152—176.5 N·m
{15.5—17.9 kgf·m, 112—130 ft·lbf}
3. Install the sensor rotor to the gear case using the
SST and suitable plate.
4. Install a new bearing.
(1) Press the new bearing (speedometer drive
gear side) onto the gear case using the SST.
(2) Press on the other new bearing (ring gear
side) in the same manner.
5. Apply ATF to the thrust washers and pinion shaft.
6. Install the pinion gear and thrust washers into the
gear case.
A6E5714A056
A6E5714A057
A6E5714A058
A6E5714A059
AUTOMATIC TRANSAXLE
K1–29
K1
7. Install the pinion shaft.
8. Install the roll pin, and crimp it to prevent it from
coming out of the gear case.
9. Apply ATF to the thrust washers.
10. Install the thrust washers and side gears into the
gear case, then turn the side gears and align
them with the drive shaft holes.
11. Measure the backlash of the side gears as
follows:
(1) Install the left and right drive shafts in the
differential.
(2) Support the drive shafts on V-blocks.
(3) Measure the backlash of both side gears.
Backlash
Standard: 0.05—0.15 mm {0.002—0.005 in}
Maximum: 0.5 mm {0.020 in}
12. If the backlash is not within the specification,
replace the differential.
End Of Sie
AUTOMATIC TRANSAXLE ASSEMBLY
A6E561401030A02
Precaution
General notes
1. Select the adjustment shims, referring to Bearing Preload.
2. If the drive plates or 2-4 brake band are replaced with new ones, soak the new part in ATF for at least two
hours before installation.
3. Before assembly, apply ATF to all seal rings, rotating parts, O-rings, and sliding parts.
4. All O-rings, seals, and gaskets must be replaced with the new ones included in the overhaul kit.
5. Use petroleum jelly, not grease, when assembling again.
6. When it is necessary to replace a bushing, replace the subassembly that includes that bushing.
7. Assemble the housing within 10 minutes after applying sealant, and allow it to cure for at least 30 minutes after
assembly before filling the transaxle with ATF.
Warning
••••
Although the stand has a self-locking brake system, there is a possibility that the brake may not
hold when the transaxle is held in a lopsided position on the stand. This would cause the transaxle
to turn suddenly, causing serious injury. Never keep the transaxle tilted to one side. Always hold
the rotating handle firmly when turning the transaxle.
X3U517AEW
X3U517AEX
A6E5714A060
K1–30
AUTOMATIC TRANSAXLE
Assembly
Bearing and race locations
Note
•
The bearing and race at locations 2, 3, 4, 5, and 6 are one-piece units.
Outer diameter of bearing and race
A6E5714A107
1
2
3
4
5
6
Bearing (mm {in})
40.0 {1.57}
40.0 {1.57}
39.0 {1.54}
78.2 {3.08}
52.0 {2.05}
50.0 {1.97}
Race (mm {in})
40.2 {1.58}
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AUTOMATIC TRANSAXLE
K1–31
K1
Components
.
A6E5714A061
1
Converter housing
2
Oil seal
3
Adjustment shim
4
Bearing race
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