1987 MAZDA 626 check oil

7C INSPECTION AND REPAIR
5. Install the snap ring.
(1) Place the SST on the spring retainer and com-
press only enough to install the snap ring.
(2) Install the snap ring in the groove.
(3) Remove the SST.
76G07C-160
6. Install the dished plate with the beveled side fac-
ing the piston as shown; then install the drive and
driven plates.
Note
Installation order:
Driven-Drive-Driven-Drive-Driven-Drive-
Driven-Drive
7. Install the retaining plate with the step facing up-
ward; then install the snap ring.
76G07C-161
76G07C-162
7C-64
8. Check the rear clutch clearance.
(1) Measure the clearance between the snap ring
and retaining plate of the rear clutch with a feel-
er gauge.
Rear clutch clearance:
0.8—1.0 mm (0.031—0.039 in)
(2) If the clearance is not with in specification, ad-
just it by selecting a proper retaining plate.
Retaining plate sizes mm (in)
4.8 (0.189) 5.0 (0.197) 5.2 (0.205) I 5.4 (0.213)
5.6 (0.220) 5.8 (0.228) 6.0 (0.236) 6.2 (0.244)
9. Check the rear clutch operation.
(1) Assemble the front clutch, and rear clutch; then
set the clutch assembly onto the oil pump.
(2) Check the rear clutch operation by applying
compressed air through the fluid passage as
shown.
Air pressure:
392 kPa (4.0 kg/cm2, 57 psi) max.
Caution
Apply air for no more than 3 seconds.

INSPECTION AND REPAIR 7C
CONTROL VALVE BODY
Precaution
(1) Pay close attention when handling the control valve because it consists of the most precise and
delicate parts of the transaxle.
(2) Neatly arrange the removed parts in order to avoid mixing up similar parts.
(3) Disassemble the control valve assembly and thoroughly clean it when the clutch and/or brake
bands are burned, and/or when the automatic transaxle fluid is degenerated.
Disassembly
Disassemble in the sequence shown in the figure.
2.5—3.4 N m _ (25—35 cm-kg, (7) 22—30 in-lb)
2.5—3.4 N-m (25—35 cm-kg 22—30 in-lb)
. 2.5—3.4 N-m (25—35 cm-kg, 22—30 In-lb)
2.5—3.4 N-m (25—35 cm-kg, 22—30 in-lb)
5—7 N-m {50—70 cm-kg, 43—61 In-lb)
2.5—3.4 N-m (25—35 cm-kg, 22—30 in-lb)
2.5—3.4 N-m (25—35 cm-kg, 22—30 in-lb)
5—7 N-m (50—70 cm-kg, 43—61 in-lb)
^ - 3—4 N-m (30—40 cm-kg, 26—35 in-lb)
76G07C-201
1. Manual valve
2. Oil strainer
3. Lower body
4. Separator plate
5. Throttle relief ball and
spring
6. Orifice check valve and
spring
7. Sub-body
8. Orifice check valve
9. Side plate
10. Vacuum throttle valve
11. Spring
12. Throttle backup valve
13. Downshift valve
14. Spring
15. Side plate
16. Modifier valve
17. 2-3 shift valve
18. Spring
19. 2-3 shift plug
20.1-2 shift valve
21. Spring
22. Side plate
23. Spring
24. Second lock valve
25. Pressure regulator sleeve
26. Pressure regulator plug
27. Spring seat
28. Spring
29. Pressure regulator valve
30. Upper body
7C-75

7C INSPECTION AND REPAIR
Inspection
Check the following and replace any faulty parts.
1. Damaged or worn valves
2. Damaged oil passage
3. Cracked or damaged valve body
4. Operation of each valve
5. Weakened spring 76go7c-2o2
Spring
Name Outer dia. mm (in) Free length mm (in) Wire dia. mm (in)
Throttle backup 7.3 (0.287) 36.0 (1.417) 0.8 (0.031)
Downshift 5.55 (0.219) 21.9 (0.862) 0.55 (0.022)
2-3 shift 6.9 (0.272) 41.0 (1.614) 0.7 (0.028)
1-2 shift 6.4 (0.252) 31.63 (1.245) 0.4 (0.016)
Second lock 5.55 (0.219) 33.5 (1.319) 0.55 (0.022)
Pressure regulator 11.7 (0.461) 43.0 (1.693) 1.2 (0.047)
Throttle relief 7.0 (0.276) 11.2 (0.441) 0.9 (0.035)
Orifice check 5.0 (0.197) 15.5 (0.610) 0.23 (0.009)
76G07C-203
Valve Location
63U07B-500
7C-76

7C INSPECTION AND REPAIR
—® Orifice 2.0 mm (0.079 in)
76G07C-208
76G07C-209
76G07C-210
imru . ^P^l

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o o o
13. Install the orifice check valve (<£2.0 mm (0.079 in))
in the upper body as shown.
14. Install the separator plate on the lower body, and
hold it with clips; then install them onto the upper
body.
15. Tighten the mounting bolts to the specified torque.
Tightening torque:
A: 2.5—3.4 N-m (25—35 cm-kg, 22—30 in-lb)
B: 5—7 N m (50—70 cm-kg, 43—61 in-lb)
16. Install the oil strainer.
Tightening torque:
3—4 Nm (30—40 cm-kg, 26—35 in-lb)
17. Turn the valve body assembly over, and install the
sub-body.
Tightening torque:
2.5—3.4 N-m (25—35 cm-kg, 22—30 in-lb)
18. Install the manual valve.
76G07C-211
7C-78

INSPECTION AND REPAIR 7C
Disassembly note
Bearing outer race
Remove the bearing outer race with the SST.
Inspection
Check the following and replace any faulty parts.
1. Damaged bearing cover
2. Damaged or worn bushing
76G07C-223
Assembly
1. Press the bearing outer race into the cover.
2. Press the oil seal into the cover.
76G07C-224
BEARING HOUSING
Disassembly
Remove the bearing outer race with the SST.
Note
Install the bearing outer race during reassem-
bly of the transaxle to adjust the preload.
76G07C-225
Inspection
Check the following and replace any faulty parts.
1. Damaged bearing housing
2. Damaged bearing outer race
86U07B-351
7C-87

7C INSPECTION AND REPAIR
SIDE BEARING HOUSING
Disassembly
Disassemble in the sequence shown in the figure, referring to the disassembly note for specially marked
part.
1. Oil seal
2. Bearing outer
race
3. Adjust shim
4. O-ring
5. Side bearing
housing cover
76G07C-226
76G07C-227
Disassembly note
Bearing outer race
Remove the bearing outer race with the SST.
Note
Install the bearing outer race during reassem-
bly of the transaxle to adjust the preload.
Inspection
Check the following and replace any faulty parts.
1. Damaged side bearing housing cover
2. Damaged or worn bushing
Assembly
1. Press the oil seal into the cover with the SST.
76G07C-228
7C-88

ASSEMBLY 7C
ASSEMBLY
PRECAUTION
(1) The automatic transaxle consists of high-precision-finished parts, necessitating careful inspection
before assembly because even a small nick could cause fluid leakage or affect performance.
(2) Clean out oil holes and oil passages with compressed ajr, and check that there are no obstructions.
(3) Before assembly, apply ATF to each O-ring, seal ring, rotating part, and friction part.
(4) If the brake band or drive plates are replaced with new ones, soak them in ATF for at least 2 hours
before installing.
(5) Each seal gasket and O-ring must be replaced with a new one.
(6) Be sure to install all thrust bearings and races in the correct direction and position.
ASSEMBLY—STEP 1
Torque Specifications
19—26 N-m (1.9—2.6 m-kg, 14—19 ft-lb)
76G07C-229
7C-89

7C ASSEMBLY
7C-112
Procedure
1. Use the following procedure to adjust the total end
play and select a suitable bearing race.
(1) Remove the pump cover from the oil pump.
(2) Install the bearing into the rear clutch drum.
(3) Mount the bearing race to the pump cover; and
then install it into the front clutch drum.
Note
A front clutch drum end play adjust shim must
not be used between the pump cover and the
front clutch drum when checking total end
play.
(4) Position a straight edge on the transaxle case,
and measure the clearance between the
straight edge and either the pump cover or the
transaxle case.
a) If the pump cover surface is lower than the
transaxle case, measure the clearance be-
tween the straight edge and the pump
cover.
Specification:
0.10 mm (0.004 in) max.
Note
a) Make the measurement without the oil
pump gasket installed.
b) Measured clearance plus thickness of oil
pump gasket equals total end play.
b) If the pump cover surface is higher than the
transaxle case, measure the clearance be-
tween the straight edge and the transaxle
case.
Specification:
0.15 mm (0.006 in) max.
Caution
Do not position the straight edge on the bolt
holes for mounting the oil pump to the trans-
axle case.
Note
Thickness of oil pump gasket minus measured
clearance equals total end play.
2. If the end play is not within specification, adjust it
by selecting the proper bearing race.
Caution
Use only one bearing race.
Bearing race outer diameter: 41.0 mm (1.61 in)
Bearing race sizes mm (in)

1.2 (0.047) 1.4 CO.055) 1.6 (0.063)
1.8 (0.071) 2.0 (0.079) 2.2 (0.087)

3. Reinstall the oil pump cover.
Tightening torque: 11—14 N-m
(110—140 cm-kg, 95—122 in-lb)