Nissan Terrano r20e. Instruction — part 39
Reverse clutch piston
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Shake piston to assure that balls are not seized.
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Apply compressed air to check ball oil hole opposite the return
spring. Make sure there is no air leakage.
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Also apply compressed air to oil hole on return spring side to
assure that air leaks past ball.
ASSEMBLY
1. Install D-ring and oil seal on piston.
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Apply ATF to both parts.
2. Install piston assembly by turning it slowly and evenly.
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Apply ATF to inner surface of drum.
3. Install return springs and spring retainer.
4. Install snap ring while compressing clutch springs.
SAT846A
SAT847A
SAT848A
SAT849A
NAT297
REPAIR FOR COMPONENT PARTS
Reverse Clutch (Cont’d)
AT-153
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Do not align snap ring gap with spring retainer stopper.
5. Install drive plates, driven plates, retaining plate and dish plate.
6. Install snap ring.
7. Measure clearance between retaining plate and snap ring. If
not within allowable limit, select proper retaining plate.
Specified clearance:
Standard
0.5 - 0.8 mm (0.020 - 0.031 in)
Allowable limit
1.2 mm (0.047 in)
Retaining plate:
Refer to SDS, AT-198.
8. Check operation of reverse clutch.
Refer to “DISASSEMBLY” of Reverse Clutch, AT-151.
SAT850A
SAT842A
SAT852A
SAT841A
REPAIR FOR COMPONENT PARTS
Reverse Clutch (Cont’d)
AT-154
High Clutch
DISASSEMBLY AND ASSEMBLY
Service procedures for high clutch are essentially the same as
those for reverse clutch, with the following exception:
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Check of high clutch operation
NAT299
SAT853A
SAT854A
REPAIR FOR COMPONENT PARTS
AT-155
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Removal and installation of return spring
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Inspection of high clutch return springs
Inspection standard:
Refer to SDS, AT-197.
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Inspection of high clutch drive plate
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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Measurement of clearance between retaining plate and snap
ring
Specified clearance:
Standard
1.8 - 2.2 mm (0.071 - 0.087 in)
Allowable limit
3.2 mm (0.126 in)
Retaining plate:
Refer to SDS, AT-198.
NAT300
SAT829A
SAT845A
SAT858A
REPAIR FOR COMPONENT PARTS
High Clutch (Cont’d)
AT-156
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