Nissan Terrano r20e. Instruction — part 40
Forward and Overrun Clutches
NAT301
REPAIR FOR COMPONENT PARTS
AT-157
DISASSEMBLY AND ASSEMBLY
Forward and overrun clutches are serviced essentially the same
way as reverse clutch is serviced. However, note the following
exceptions.
I
Check of forward clutch operation.
I
Check of overrun clutch operation.
I
Removal of forward clutch drum
Remove forward clutch drum from transmission case by hold-
ing snap ring.
I
Removal of forward clutch and overrun clutch pistons
1. While holding overrun clutch piston, gradually apply com-
pressed air to oil hole.
2. Remove overrun clutch from forward clutch.
SAT860A
SAT861A
SAT865A
SAT862A
SAT863A
REPAIR FOR COMPONENT PARTS
Forward and Overrun Clutches (Cont’d)
AT-158
I
Removal and installation of return springs
I
Inspection of forward clutch and overrun clutch return springs
Inspection standard:
Refer to SDS, AT-197.
I
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)
I
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)
I
Installation of forward clutch piston and overrun clutch piston
1. Install forward clutch piston by turning it slowly and evenly.
I
Apply ATF to inner surface of clutch drum.
NAT302
SAT829A
SAT845A
SAT845A
SAT866A
REPAIR FOR COMPONENT PARTS
Forward and Overrun Clutches (Cont’d)
AT-159
I
Align notch in forward clutch piston with groove in forward
clutch drum.
2. Install overrun clutch by turning it slowly and evenly.
I
Apply ATF to inner surface of forward clutch piston.
I
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-198.
I
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-198.
SAT867A
SAT868A
SAT869A
SAT870A
REPAIR FOR COMPONENT PARTS
Forward and Overrun Clutches (Cont’d)
AT-160
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