Mazda 5. Manual — part 51
05–17–124
AUTOMATIC TRANSAXLE
Forward Clutch Preinspection
Clutch operation
1. Set the forward clutch onto the oil pump.
Caution
• Applying compressed air to the assembled clutch pack for longer than 3 s at a time will damage
the seal.
Do not apply compressed air for more than the aforementioned time when testing the system.
2. Inspect the clutch operation by applying
compressed air through the fluid passages
shown.
Air pressure
392 kPa {4.0 kgf/cm
2
, 57 psi} max.
3. If not as specified, replace parts as necessary.
(See 05–17–56 FORWARD CLUTCH
DISASSEMBLY/ASSEMBLY.)
Clutch clearance
1. Measure the forward clutch clearance.
(1) Install the forward clutch in the oil pump, and set the dial gauge.
(2) Secure the forward clutch by lightly pressing
down with a press, etc.
(3) Apply compressed air to the part indicated in
the figure and let the forward clutch piston
stroke three times.
Air pressure
392—441 kPa {4.0—4.5 kgf/cm
2
, 57—63 psi}
(4) Apply compressed air and operate the
forward clutch piston. Read the value when
the indicator of the dial gauge stops.
(5) Release the compressed air and read the dial
gauge when the forward clutch piston is not
operating.
(6) Calculate the forward clutch clearance
according to the following formula:
FORWARD CLUTCH
FLUID PASSAGE
B3E0517A117
PRESS
DIAL GAUGE
RETAINING PLATE
B3E0517A323
FORWARD CLUTCH
FLUID PASSAGE
B3E0517A117
AUTOMATIC TRANSAXLE
05–17–125
05
Step (4) value – Step (5) value = Forward clutch clearance.
(7) Measure the clearances at four locations (90
°
apart) by following the steps from (3) to (6).
Verify that the average value is within the
specification below.
Forward clutch clearance
1.50—1.80 mm {0.059—0.071 in}
2. If not as specified, replace parts as necessary.
(See 05–17–56 FORWARD CLUTCH
DISASSEMBLY/ASSEMBLY.)
Clutch Component Preinspection
Clutch operation
1. Set the clutch component onto the end cover.
Caution
• Applying compressed air to the assembled clutch pack for longer than 3 s at a time will damage
the seal.
Do not apply compressed air for more than the aforementioned time when testing the system.
2. Inspect the clutch operation by applying
compressed air as shown.
Air Pressure
392 kPa {4.0 kgf/cm
2
, 57 psi} max.
3. If not as specified, replace parts as necessary.
(See 05–17–60 CLUTCH COMPONENT
DISASSEMBLY/ASSEMBLY.)
Reverse clutch clearance
1. Measure the reverse clutch clearance.
(1) Install the reverse clutch into the end cover, and set the dial gauge.
(2) Secure the reverse clutch by lightly pressing
down with a press, etc.
RETAINING
PLATE
CLEARANCE
SNAP RING
B3E0517A324
3-4 CLUTCH
FLUID PASSAGE
REVERSE
CLUTCH FLUID
PASSAGE
B3E0517A325
PLATE
PRESS
RETAINING
PLATE
DIAL GAUGE
B3E0517A254
05–17–126
AUTOMATIC TRANSAXLE
(3) Apply compressed air to the part indicated in
the figure and let the reverse clutch piston
stroke three times.
Air Pressure
392—441 kPa {4.0—4.5 kgf/cm
2
, 57—63 psi}
(4) Apply compressed air and operate the
reverse clutch piston. Read the value when
the indicator of the dial gauge stops.
(5) Release the compressed air and read the dial
gauge when the reverse clutch piston is not
operating.
(6) Calculate the reverse clutch clearance
according to the following formula: Step (4) value – Step (5) value = Reverse clutch clearance.
(7) Measure the clearances at four locations (90
°
apart) by following the steps from (3) to (6).
Verify that the average value is within the
specification below.
Reverse clutch clearance
1.00—1.30 mm {0.039—0.051 in}
2. If not as specified, replace parts as necessary.
(See 05–17–60 CLUTCH COMPONENT
DISASSEMBLY/ASSEMBLY.)
3-4 clutch clearance
1. Measure the 3-4 clutch clearance.
(1) Install the 3-4 clutch in the end cover and set the dial gauge.
(2) Secure the 3-4 clutch by lightly pressing down
with a press, etc.
(3) Apply compressed air to the part indicated in
the figure and let the 3-4 clutch piston stroke
three times.
Air pressure
392—441 kPa {4.0—4.5 kgf/cm
2
, 57—63 psi}
(4) Apply compressed air and operate the 3-4
clutch piston. Read the value when the
indicator of the dial gauge stops.
(5) Release the compressed air and read the dial
gauge when the 3-4 clutch piston is not
operating.
(6) Calculate the 3-4 clutch clearance according
to the following formula:
Step (4) value – Step (5) value = 3-4 clutch clearance.
REVERSE CLUTCH
FLUID PASSAGE
B3E0517A255
RETAINING
PLATE
SNAP RING
CLEARANCE
B3E0517A256
DIAL GAUGE
RETAINING
PLATE
PRESS
B3E0517A261
3-4 CLUTCH FLUID PASSAGE
B3E0517A262
AUTOMATIC TRANSAXLE
05–17–127
05
(7) Measure the clearances at four locations (90
°
apart) by following the steps from (3) to (6).
Verify that the average value is within the
specification below.
3-4 clutch clearance
Drive plate part number: FN11 19 370
1.00—1.30 mm {0.039—0.051 in}
Drive plate part number: FNE1 19 370
1.10—1.40 mm {0.043—0.055 in}
2. If not as specified, replace parts as necessary.
(See 05–17–60 CLUTCH COMPONENT
DISASSEMBLY/ASSEMBLY.)
Bushing inner diameter inspection
1. Measure the bushing of the 3-4 clutch hub.
Bushing inner diameter
Standard: 18.000—18.018 mm
{0.70866—0.70936 in}
Maximum: 18.038 mm {0.71016 in}
2. If not as specified, replace the 3-4 clutch hub.
(See 05–17–60 CLUTCH COMPONENT
DISASSEMBLY/ASSEMBLY.)
3. Measure the bushing of the 2-4 brake drum.
Bushing inner diameter
Standard: 55.005—55.030 mm
{2.16555—2.16653 in}
Maximum: 55.050 mm {2.16732 in}
4. If not as specified, replace the 2-4 brake drum.
(See 05–17–60 CLUTCH COMPONENT
DISASSEMBLY/ASSEMBLY.)
Front Internal Gear and One-Way Clutch Component
Preinspection
1. Set the front internal gear and one-way clutch
component to the one-way clutch inner race.
Verify that the one-way clutch rotates smoothly
when turned counterclockwise and locks when
turned clockwise.
2. If not as specified, replace parts as necessary.
(See 05–17–68 FRONT INTERNAL GEAR
ONE-WAY CLUTCH COMPONENT
DISASSEMBLY/ASSEMBLY.)
Low and Reverse Brake Preinspection
Clutch operation
Caution
• Applying compressed air to the assembled clutch pack for longer than 3 s at a time will damage
the seal.
SNAP RING
RETAINING PLATE
CLEARANCE
B3E0517A263
BUSHING
B3E0517A326
BUSHING
B3E0517A327
GOOD
NO GOOD
B3E0517A328
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