1987 MAZDA 626 transaxle

ASSEMBLY 7B
86U07B-390
76G07B-182
86U07B-392
O-rings
Sealant
Output shell
(5) Install the SST in the case.
(6) Compress the spring and retainer assembly.
(7) Install the snap ring with snap ring pliers.
(8) Remove the SST.
6. Check the low and reverse brake piston operation.
(1) Pour in ATF so that the low and reverse brake
piston is fully submerged.
(2) Check that no bubbles come from between the
piston and seals when applying compressed
air through the fluid passage. (Refer to page
7B—204)
Caution
The compressed air must be under 392 kPa
(4.0 kg/cm2, 57 psi) and not applied for over
3 seconds.
7. Install the output shell to the output gear, and in-
stall the bearing race onto the output shell.
Bearing race outer diameter.
72.0 mm (2.83 in)
8. Apply a thin coat of silicon sealant to the contact
surfaces of the converter housing and transaxle
case.
9. Install the O-rings.
10. Install the transaxle case to the converter housing.
Tightening torque:
37—52
N
m (3.8—5.3 m-kg, 27—38 ft-lb)
86U07B-393
7B—201

7B ASSEMBLY
11. Install the SST to the differential side gear.
Caution
Failure to install the SST may allow the
differential side gears to become misposi-
tioned.
86U07B-394
ASSEMBLY-STEP 3
Procedure
1. Temporarily install the SST to hold the turbine shaft.
86U07B-395
w
2. Install the turbine shaft and 3-4 clutch assembly.
(1) Assemble the turbine shaft and 3-4 clutch as-
sembly.
86U07B-396
(2) Check that the thrust bearing and bearing race
are installed in the correct position.
(3) Install the turbine shaft and 3-4 clutch assem-
bly into the transaxle case.
86U07B-397
7B—202

ASSEMBLY 7B
11. Install the one-way clutch.
(1) Hold the one-way clutch horizontally.
(2) Install it by turning the carrier hub assembly
counterclockwise.
(3) Install the snap ring.
86U07B-406
49 G019 028
12. Install the servo to the transaxle case.
(1) Install the servo spring and servo.
(2) Compress the servo with the SST.
(3) Install the snap ring.
(4) Remove the SST.
(5) Install the piston stem.
86U07B-407
13. Install the anchor strut.
86U07B-408
14. Install the 2-4 brake band in the transaxle case so
that it is expanded fully.
Note
Interlock the 2-4 brake band and anchor strut
as shown.
86U07B-409
7B-205

ASSEMBLY 7B
(2) Install the clutch assembly by rotating it.
86U07B-414
Note
Measure the height difference between the re-
verse and forward drum and transaxle case.
Standard height: 0.8 mm (0.032 in)
76G07B-185
17. Install the snap ring into the bottom ring groove
of the turbine shaft.
86U07B-416
7B—207

ASSEMBLY 7B
86U07B-418
86U07B-419
76G07B-223
Procedure
1. Use the following procedure to adjust the total end
play and select a suitable bearing race.
(1) Set the thrust bearing onto the clutch assembly.
(2) Remove the previous race and gasket.
(3) Set the thickest bearing race 2.2 mm (0.087
in) onto the oil pump.
(4) Set the oil pump onto the clutch assembly.
(5) Measure clearance between the transaxle case
and oil pump.
(6) Select a suitable bearing race from the chart
below.
Clearance mm (in) Select this bearing race mm (in)
0.91-1.10 (0.036—0.043) 1.2 (0.047)
0.71-0.90 (0.028-0.035) 1.4 (0.055)
0.51-0.70 (0.020—0.027) 1.6 (0.063)
0.31-0.50 (0.012-0.019) 1.8 (0.071)
0.11-0.30 (0.004-0.011) 2.0 (0.078)
0-0.10 (0-0.003) 2.2 (0.087)
(7) Remove the oil pump.
(8) Place the selected bearing race and a new gas-
ket onto the oil pump.
(9) Install the oil pump onto the clutch assembly.
Tightening torque:
19—26 Nm (1.9—2.6 m-kg, 14—19 ft-lb)
86U07B-421
7B-209

7B ASSEMBLY
2. Adjust the 2-4 brake band.
(1) Loosen the locknut and tighten the piston stem
to the specified torque.
Tightening torque:
9—11
N
m (90—110 cm-kg, 78—95 in-lb)
86U07B-422
(2) Loosen the piston stem 2 turns.
(3) Tighten the locknut to the specified torque.
Tightening torque:
25—39 N-m (2.5—4.0 m-kg, 18—29 tt-lb)
86U07B-423
Install the oil strainer along with a new O-ring to
the transaxle.
Tightening torque:
8—11 N-m (80—110 cm-kg, 69—95 in-lb)
86U07B-424
4. Install the oil pan along with a new gasket.
Tightening torque:
8—11 N-m (85—110 cm-kg, 74—95 in-lb)
Note
Install the magnets in the positions shown in
the illustration.
86U07B-425
7B—210

ASSEMBLY 7B
5. Align the manual valve with the pin on the manual
plate, and install the control valve body into the
transaxle case.
Tightening torque:
11—15 Nm
(110—150 cm-kg, 95—130 in-lb)
86U07B-426
6. Install the solenoid connector and a new O-ring in
the transaxle case.
86U07B-427
7. Install a new O-ring on the bracket; then feed the
throttle cable through the transaxle case and con-
nect it to the throttle cam.
8. Install the throttle cable attaching bolts and bracket.
Tightening torque:
(§)8—11 Nm
(80—110 cm-kg, 69—95 in-lb)
(1)19—26
N
m
(1.9—2.6 m-kg, 14—19 ft-lb)
86U07B-428
9. Install the control valve body cover along with a
new gasket.
Tightening torque:
8—11
N
m (85—110 cm-kg, 74—95 in-lb)
86U07B-429
7 B—211

ASSEMBLY 7B
12. Install the pulse generator and fluid temperature
switch.
Tightening torque:
Pulse generator
8—11 N-m (80—110 cm-kg, 69—95 in-lb)
Fluid temperature switch
29—39 N-m (3.0—4.0 m-kg, 22—29 in-lb)
76G07B-190
76G07B-191
13. Install the inhibitor switch.
(1) Turn the manual shaft to the "N" position.
(2) Install the inhibitor switch and loosely tighten
the bolts.
(3) Remove the screw and move the inhibitor
switch so that the alignment hole is aligned with
the screw hole.
(4) Insert a 2.0 mm (0.079 in) diameter pin
through the holes.
(5) Install the screw; then tighten the bolts to the
specified torque.
Tightening torque:
8—11 N-m (80—110 cm-kg, 69—95 in-lb)
14. Install the harness with the remaining clip.
Tightening torque:
8—11 N-m (80—110 cm-kg, 69—95 in-lb)
15. Remove the transaxle from the SST.
76G07B-192
16. Install the oil level gauge and tube along with a new
O-ring to the transaxle case.
Tightening torque:
7—10 N-m (70—100 cm-kg, 61—87 in-lb)
76G07B-193
7B-213