2004 NISSAN TERRANO Service Repair Manual

Reverse Clutch
DISASSEMBLY
1. Check operation of reverse clutch.
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,
I D-ring might be damaged.
I Oil seal might be damaged.
I Fluid might be leaking past piston check ball.
2. Remove drive plates, driven plates, retaining plate, dish plate and snap ring.
NAT296
SAT841A
SAT842A
REPAIR FOR COMPONENT PARTS
AT-156
http://vnx.su/

3. Remove snap ring from clutch drum while compressing clutchsprings.
I Do not expand snap ring excessively.
4. Remove spring retainer and return spring.
5. Install seal ring onto oil pump cover and install reverse clutch drum. While holding piston, gradually apply compressed air to
oil hole until piston is removed.
I Do not apply compressed air abruptly.
6. Remove D-ring and oil seal from piston.
INSPECTION
Reverse clutch snap ring and spring retainer
I Check for deformation, fatigue or damage.
Reverse clutch return springs
ICheck for deformation or damage. Also measure free length
and outside diameter.
Inspection standard: Refer to SDS, AT-202.
Reverse clutch drive plates
ICheck facing for burns, cracks or damage.
I Measure thickness of facing.
Thickness of drive plate: Standard value: 1.90 - 2.05 mm (0.0748 - 0.0807 in)
Wear limit: 1.80 mm (0.0709 in)
I If not within wear limit, replace.
Reverse clutch dish plate
ICheck for deformation or damage.
NAT297
SAT844A
SAT829A
SAT845A
REPAIR FOR COMPONENT PARTS
Reverse Clutch (Cont'd)
AT-157
http://vnx.su/

Reverse clutch piston
IShake piston to assure that balls are not seized.
I Apply compressed air to check ball oil hole opposite the return
spring. Make sure there is no air leakage.
I 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.
IApply ATF to both parts.
2. Install piston assembly by turning it slowly and evenly.
I 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-158
http://vnx.su/

IDo 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: Standard0.5 - 0.8 mm (0.020 - 0.031 in)
Allowable limit 1.2 mm (0.047 in)
Retaining plate: Refer to SDS, AT-203.
8. Check operation of reverse clutch. Refer to ªDISASSEMBLYº of Reverse Clutch, AT-156.
SAT850A
SAT842A
SAT852A
SAT841A
REPAIR FOR COMPONENT PARTS
Reverse Clutch (Cont'd)
AT-159
http://vnx.su/

High Clutch
DISASSEMBLY AND ASSEMBLY
Service procedures for high clutch are essentially the same as
those for reverse clutch, with the following exception:
ICheck of high clutch operation
NAT299
SAT853A
SAT854A
REPAIR FOR COMPONENT PARTS
AT-160
http://vnx.su/

IRemoval and installation of return spring
I Inspection of high clutch return springs
Inspection standard: Refer to SDS, AT-202.
I Inspection of high clutch drive plate
Thickness of drive plate: Standard1.52 - 1.67 mm (0.0598 - 0.0657 in)
Wear limit 1.40 mm (0.0551 in)
I Measurement of clearance between retaining plate and snap
ring
Specified clearance: Standard1.8 - 2.2 mm (0.071 - 0.087 in)
Allowable limit 3.2 mm (0.126 in)
Retaining plate: Refer to SDS, AT-203.
NAT300
SAT829A
SAT845A
SAT858A
REPAIR FOR COMPONENT PARTS
High Clutch (Cont'd)
AT-161
http://vnx.su/

Forward and Overrun Clutches
NAT301
REPAIR FOR COMPONENT PARTS
AT-162
http://vnx.su/

DISASSEMBLY AND ASSEMBLY
Forward and overrun clutches are serviced essentially the same
way as reverse clutch is serviced. However, note the following
exceptions.
ICheck 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-163
http://vnx.su/