Nissan Frontier D22. Instruction — part 36
FORWARD AND OVERRUN CLUTCHES
AT-113
[RL4R01A]
D
E
F
G
H
I
J
K
L
M
A
B
AT
●
Inspection of overrun clutch drive plates
●
Installation of forward clutch piston and overrun clutch piston
–
Install forward clutch piston by turning it slowly and evenly.
•
Apply ATF to inner surface of clutch drum.
•
Align notch in forward clutch piston with groove in forward
clutch drum.
–
Install overrun clutch by turning it slowly and evenly.
•
Apply ATF to inner surface of forward clutch piston.
●
Measurement of clearance between retaining plate and snap
ring of overrun clutch
Thickness of drive plate
Standard
: 1.90 - 2.05 mm (0.0748 - 0.0807 in)
Wear limit
: 1.80 mm (0.0709 in)
SAT845A
SAT741G
SAT153G
Specified clearance
Standard
: 1.0 - 1.4 mm (0.039 - 0.055 in)
Allowable limit
: 2.0 mm (0.079 in)
Retaining plate
: Refer to
SAT869A
AT-114
[RL4R01A]
FORWARD AND OVERRUN CLUTCHES
●
Measurement of clearance between retaining plate and snap
ring of forward clutch
Specified clearance
Standard
: 0.35 - 0.75 mm (0.0138 - 0.0295 in)
Allowable limit
: 1.85 mm (0.728 in)
Retaining plate
: Refer to
SAT870A
LOW & REVERSE BRAKE
AT-115
[RL4R01A]
D
E
F
G
H
I
J
K
L
M
A
B
AT
LOW & REVERSE BRAKE
PFP:31645
Components
ECS007K8
Disassembly
ECS007K9
1.
Check operation of low and reverse brake.
a.
Install seal ring onto oil pump cover and install reverse clutch.
Apply compressed air to oil hole.
b.
Check to see that retaining plate moves to snap ring.
c.
If retaining plate does not contact snap ring:
●
D-ring might be damaged.
●
Oil seal might be damaged.
●
Fluid might be leaking past piston check ball.
2.
Remove snap ring, low & reverse brake drive plates, driven
plates and dish plate.
AAT111A
SAT872A
SAT873A
AT-116
[RL4R01A]
LOW & REVERSE BRAKE
3.
Remove low one-way clutch inner race, spring retainer and
return spring from transmission case.
4.
Remove seal rings from low one-way clutch inner race.
5.
Remove needle bearing from low one-way clutch inner race.
6.
Remove low & reverse brake piston using compressed air.
7.
Remove oil seal and D-ring from piston.
Inspection
ECS007KA
LOW & REVERSE BRAKE SNAP RING AND SPRING RETAINER
●
Check for deformation, or damage.
●
Replace if necessary.
LOW & REVERSE BRAKE RETURN SPRINGS
●
Check for deformation or damage. Also measure free length and
outside diameter.
LOW & REVERSE BRAKE DRIVE PLATES
●
Check facing for burns, cracks or damage.
●
Measure thickness of facing.
●
If not within wear limit, replace.
SAT154G
SAT876A
Inspection standard
: Refer to
SAT829A
Thickness of drive plate
Standard value
: 1.52 - 1.67 mm (0.0598 - 0.0657 in)
Wear limit
: 1.4 mm (0.055 in)
SAT845A
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