Nissan Terrano model r20 series 2004. Manual — part 245
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Removal and installation of return springs
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Inspection of forward clutch and overrun clutch return springs
Inspection standard:
Refer to SDS, AT-202.
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Inspection of forward clutch drive plates
Thickness of drive plate:
Standard
1.52 - 1.67 mm (0.0598 - 0.0657 in)
Wear limit
1.40 mm (0.0551 in)
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Inspection of overrun clutch drive plates
Thickness of drive plate:
Standard
1.90 - 2.05 mm (0.0748 - 0.0807 in)
Wear limit
1.80 mm (0.0709 in)
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Installation of forward clutch piston and overrun clutch piston
1. Install forward clutch piston by turning it slowly and evenly.
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Apply ATF to inner surface of clutch drum.
NAT302
SAT829A
SAT845A
SAT845A
SAT866A
REPAIR FOR COMPONENT PARTS
Forward and Overrun Clutches (Cont’d)
AT-164
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Align notch in forward clutch piston with groove in forward
clutch drum.
2. Install overrun clutch by turning it slowly and evenly.
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Apply ATF to inner surface of forward clutch piston.
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Measurement of clearance between retaining plate and snap
ring of overrun clutch
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 SDS, AT-203.
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Measurement of clearance between retaining plate and snap
ring of forward clutch
Specified clearance:
Standard
0.45 - 0.75 mm (0.0138 - 0.0295 in)
Allowable limit
2.15 mm (0.0846 in)
Retaining plate:
Refer to SDS, AT-203.
SAT867A
SAT868A
SAT869A
SAT870A
REPAIR FOR COMPONENT PARTS
Forward and Overrun Clutches (Cont’d)
AT-165
Low & Reverse Brake
DISASSEMBLY
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,
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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 and reverse brake drive plates, driven
plates and dish plate.
NAT298
SAT872A
SAT873A
REPAIR FOR COMPONENT PARTS
AT-166
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 and reverse brake piston using compressed air.
7. Remove oil seal and D-ring from piston.
INSPECTION
Low and reverse brake snap ring and spring retainer
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Check for deformation, or damage.
Low and reverse brake return springs
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Check for deformation or damage. Also measure free length
and outside diameter.
Inspection standard:
Refer to SDS, AT-202.
Low and reverse brake drive plates
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Check facing for burns, cracks or damage.
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Measure thickness of facing.
Thickness of drive plate:
Standard value
1.52 - 1.67 mm (0.0598 - 0.0657 in)
Wear limit
1.4 mm (0.055 in)
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If not within wear limit, replace.
SAT382I
SAT876A
SAT829A
SAT845A
REPAIR FOR COMPONENT PARTS
Low & Reverse Brake (Cont’d)
AT-167
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