Mazda 5. Manual — part 38
05–17–72
AUTOMATIC TRANSAXLE
3. Install the servo piston to the transaxle case.
4. Apply ATF to new O-ring and install it to the
transaxle case.
O-ring inner diameter
70.2 mm {2.76 in}
5. Install the servo retainer by tightening the bolts
evenly and gradually.
Tightening torque
10.8—13.7 N·m
{110—140 kgf·cm, 95.5—121 in·lbf}
End Of Sie
LOW AND REVERSE BRAKE AND ONE-WAY CLUTCH INNER RACE DISASSEMBLY/ASSEMBLY
B3E051719500A05
1. Perform the preinspection before disassembly.
(See 05–17–127 Low and Reverse Brake Preinspection.)
2. Disassemble in the order indicated in the table.
SERVO PISTON
SERVO RETURN
SPRING
B3E0517A123
O-RING
B3E0517A124
BAND SERVO
INSTALLATION BOLTS
B3E0517A125
AUTOMATIC TRANSAXLE
05–17–73
05
3. Assemble in the reverse order of disassembly.
.
Snap Ring Disassembly Note
1. Install the SSTs as shown.
Caution
• Depress the one-way clutch inner race
only enough to remove the snap ring.
Overpressing will damage the one-way
clutch inner race assembly edges.
2. Compress the one-way clutch inner race.
3. Remove the snap ring.
4. Remove the SSTs and remove one-way clutch
inner race and the piston return spring.
Low and Reverse Brake Piston Disassembly Note
• Remove the low and reverse brake piston by applying compressed air through the fluid passage.
ATF
ATF
SELECTIVE
4
5
6
3
1
2
SST
R
7
8
B3E0517A126
1
Snap ring
2
Retaining plate
3
Drive and driven plates
4
Dish plate
5
Snap ring
(See 05–17–73 Snap Ring Disassembly Note.)
6
One-way clutch inner race
7
Piston return spring
8
Low and reverse brake piston
(See 05–17–73 Low and Reverse Brake Piston
Disassembly Note.)
49 B019 011
49 G019 029
49 G019 027
B3E0517A127
05–17–74
AUTOMATIC TRANSAXLE
Air pressure
98.1 kPa {1.0 kgf/cm
2
, 14 psi} max.
Assembly Procedure
1. Measure the facing thickness in three places, and determine the average of the three readings.
Standard
1.60 mm {0.063 in}
Minimum
1.45 mm {0.057 in}
• If not within the specification, replace the drive plates.
Caution
• Installing the low and reverse brake piston may damage its seal. Carefully install the low and
reverse brake piston by pushing evenly around the circumference.
2. Apply ATF to the circumference of the low and reverse brake piston seal, and install the piston to the transaxle
case.
3. Install the piston return spring and one-way clutch
to the transaxle case.
4. Install the SSTs as shown.
Caution
• Depress the one-way clutch inner race
only enough to install the snap ring.
Overpressing will damage the one-way
clutch inner race assembly edges.
LOW AND REVERSE
BRAKE FLUID PASSAGE
B3E0517A128
LOW AND REVERSE
BRAKE PISTON
PISTON RETURN
SPRING
ONE-WAY CLUTCH
INNER RACE
B3E0517A129
49 B019 011
49 G019 029
49 G019 027
B3E0517A130
AUTOMATIC TRANSAXLE
05–17–75
05
5. Compress the one-way clutch inner race.
Caution
• The transaxle body may be damaged if
installed incorrectly. Make sure to install
the transaxle body in such a way that the
end of the snap ring does not enter the
area shown in the figure.
6. Install the snap ring.
7. Remove the SSTs.
8. Install the dish plate.
9. Install the drive and driven plates in the following
order.
4/6 type
Driven—Drive—Driven—Driven—Drive—Driven—Driven—Drive—Driven—Drive
5/5 type
Driven—Drive—Driven—Drive—Driven—Drive—Driven—Drive—Driven—Drive
10. Install the retaining plate and the snap ring.
11. Measure the low and reverse brake clearance.
(1) Set the dial gauge to the low and reverse
brake.
(2) Set the measuring point of the dial gauge to
the low and reverse brake piston.
SNAP RING
B3E0517A131
4/6 TYPE
5/5 TYPE
SNAP RING
RETAINING
PLATE
DISH PLATE
DRIVE AND
DRIVEN
PLATE
SNAP RING
RETAINING
PLATE
DISH PLATE
DRIVE AND
DRIVEN
PLATE
CDA517ZAA003
DIAL GAUGE
LOW AND
REVERSE
BRAKE
PISTON
B3E0517A133
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