Nissan Frontier D22. Manual - part 36

FORWARD AND OVERRUN CLUTCHES

AT-113

[RL4R01A]

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Inspection of overrun clutch drive plates

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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 

AT-153, "OVERRUN 

CLUTCH"

 .

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 

AT-153, "FORWARD 

CLUTCH"

 .

SAT870A

LOW & REVERSE BRAKE

AT-115

[RL4R01A]

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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.

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Oil seal might be damaged.

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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.

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If not within wear limit, replace.

SAT154G

SAT876A

Inspection standard

: Refer to 

AT-151, "Return 

Springs"

 .

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