Brake MAZDA 626 1987 Owners Manual

7B ON-VEHICLE MAINTENANCE
86U07B-091
76G07B-101
76G07B-102
3. Install the magnets on the oil pan as shown and
install the oil pan along with a new gasket.
Tightening torque:
8—11 Nm (80—110 cm-kg, 69—95 in-lb)
4. Add ATF, and with the engine idling, check the fluid
level and for leaks. (Refer to page 7B—71)
ADJUSTMENT OF 2-4 BRAKE BAND
1. Remove the oil pan. (Refer to page 7B—79)
2. Adjust the 2-4 brake band. (Refer to page 7B—211)
REPLACEMENT OF DRIVESHAFT OIL SEAL
Replace the oil seal in the same manner as for the
manual transaxle. (Refer to page 7A—9)
86U07B-094
7B-80

7B DISASSEMBLY
DISASSEMBLY-STEP 2
Components
1. Piston stem
2. Snap ring
3. Clutch assembly
4. 2-4 brake band
5. Small sun gear and one-way clutch
6. Anchor strut and shaft
7. Servo
8. One-way clutch and carrier hub assembly
86U07B-135
—Low and reverse brake—
9. Retaining plate
10. Drive and driven plates
11. Internal gear
12. O-ring
13. 3-4 clutch assembly
14. Turbine shaft
7B—94

DISASSEMBLY 7B
Procedure
1. Remove the piston stem from the servo.
86U07B-136
2. Remove the clutch assembly.
(1) Remove the turbine shaft snap ring.
86U07B-137
(2) Pull the reverse and forward drum and remove
the clutch assembly.
86U07B-138
3. Remove the 2-4 brake band.
Note
Use a piece of wire to secure the brake band
so that it is not damaged by being stretched.
86U07B-139
7B—95

DISASSEMBLY 7B
86U07B-144
86.U07B-145
86U07B-146
(2) Remove the one-way clutch together with the
carrier hub assembly.
8. Remove the low and reverse brake assembly.
(1) Remove the snap ring.
(2) Remove the retaining plate and the drive and
driven plates.
9. Remove the internal gear.
(1) Remove the snap ring.
36U07B-147
7B-97

DISASSEMBLY 7B
DISASSEMBLY-STEP 3
Component
86U07B-151
1. Transaxle case
2. Output shell
3. Snap ring
4. Spring and retainer assembly
5. Low and reverse brake piston
6. Plug, washer, spring, and detent ball
7. Bracket
8. Manual shaft and manual plate
9. Actuator support
10. Parking assist lever
11. Parking pawl
7B—99

7B DISASSEMBLY
1. Remove the bolts; then remove the transaxle case
by tapping lightly with a plastic hammer.
86U07B-153
3. Remove the low and reverse brake piston
(1) Install the SST.
(2) Compress the spring and retainer assembly.
86U07B-154
(3) Remove the snap ring with snap ring pliers;
then remove the spring and retainer assembly.
86U07B-155
7B—100

DISASSEMBLY 7B
86U07B-156
86U07B-157
86U07B-158
(4) Remove the low and reverse brake piston by
applying compressed air through the fluid
passage.
4. Remove the manual shaft and manual plate.
(1) Remove the plug, washer, spring, and detent
ball.
(2) Remove the bracket.
(3) Loosen the nut and pull the manual shaft out.
(4) Remove the nut, washer, spacer, and manual
plate.
86U07B-159
7B—101

INSPECTION AND REPAIR 7B
INSPECTION AND REPAIR
PRECAUTION
(1) Several of the parts resemble each other; organize them so that they do not get mixed up.
(2) Clean each part with cleaning oil, clean out the oil holes and oil passages with compressed air,
and check that there are no obstructions.
(3) When using cleaning oil and compressed air, wear protective eyewear.
(4) If a clutch plate or brake band is replaced with a new one, soak it in ATF for 2 hours or more
before installing.
(5) Before assembly, apply ATF to all seal rings, rotating parts, and sliding parts.
(6) All seals, gaskets and roll pins must be replaced with new ones during assembly.
(7) Use petroleum jelly, not grease where required.
(8) When it is necessary to replace a bushing, replace the assembly which includes that bushing.
76G07B-217
TORQUE CONVERTER
The torque converter is welded together and cannot
be disassembled.
Inspection
1. Check the outer part of the converter for damage
or cracks, and replace it if necessary.
2. Check whether there is any rust on the pilot hub
of the converter or on the boss. If there is any, re-
move it completely.
3. Measure the bushing of the converter boss. Re-
place the converter assembly if the bushing is
worn.
Bushing inner diameter
Standard: 53.030 mm (2.088 in)
Maximum: 53.076 mm (2.090 in)
Washing Inside of Converter
1. Drain any ATF remaining in the converter.
2. Pour in solvent [approximately 0.5 liter (0.53 US
qt, 0.44 Imp qt) ].
3. Shake the converter to clean the inside. Pour out
the solvent.
4. Clean the inside of the converter with compressed
air so that the inside is perfectly empty.
5. Pour in ATF.
6. Shake the converter to clean the inside. Pour out
the ATF.
7B—107

7B INSPECTION AND REPAIR
Inspection
Check the following and replace any faulty parts.
1. Damaged or worn governor gear
2. Damaged or worn governor valve
3. Cracked or damaged governor carrier and sleeve
83U07B-267
Assembly
1. Insert the governor valve to the governor carrier
and sleeve.
2. Install the governor driven gear.
3. Install the roll pin.
83U07B-268
86U07B-260
LOW AND REVERSE BRAKE
Inspection
Check the following and replace any faulty parts.
1. Damaged or worn drive and driven plates
Drive plate thickness
Standard: 1.6 mm (0.063 in)
Minimum: 1.4 mm (0.055 in)
2. Broken or worn snap ring
3. Deformed or detached spring and retainer as-
sembly
4. Broken or weakened spring
Free length of spring:
20.5 mm (0.807 in)
5. Damaged or worn piston
6. Damaged seal contact area of transaxle case
7B—134 expert22 fl/m http://rutracker.org

INSPECTION AND REPAIR 7B
2-4 BRAKE BAND
Inspection
Check the following and replace if necessary.
1. Damaged or worn 2-4 brake band
86U07B-261
BAND SERVO
Inspection
Check the following and replace any faulty parts.
1. Damaged or worn piston
2. Weakened return spring
Free length of spring:
G4A-EL: 43.25 mm (1.703 in)
G4A-HL: FE engine 42.0 mm (1.654 in)
F8 engine 43.25 mm (1.703 in)
76G07B-140
OTHER INSPECTION
Check the following and replace any faulty parts.
1. Damaged or worn output shell
2. Damaged or worn internal gear
3. Damaged or worn turbine shaft
4. Damaged or worn oil pump shaft
5. Damaged or worn anchor strut and shaft
86U07B-263
6. Damaged or cracked valve body cover
7. Damaged or cracked oil pan
8. Damaged or clogged oil strainer
86U07B-264
7B—135