2002 NISSAN TERRANO length

Control Valve Assembly and Accumulators
REMOVAL
1. Remove exhaust front tube.
2. Remove oil pan and gasket and drain ATF.
3. Remove A/T fluid temperature sensor if necessary.
4. Remove oil strainer.
5. Remove control valve assembly by removing fixing bolts and
disconnecting harness connector.
Bolt length and location
Bolt symbolmm (in)
qA33 (1.30)
q
B45 (1.77)
6. Remove solenoids and valves from valve body if necessary.
7. Remove terminal cord assembly if necessary.
8. Remove accumulatorq
A,qB,qCandqDby applying compressed
air if necessary.
IHold each piston with rag.
9. Reinstall any part removed.
IAlways use new sealing parts.
NAT277
SAT073BA
SAT353B
SAT074BA
ON-VEHICLE SERVICE
AT-113

ITighten bolts securing transmission.
Bolt No.Tightening torque
N×m (kg-m, ft-lb)Bolt length ªº
mm (in)
q
139 - 49 (4.0 - 5.0, 29 - 36) 58.0 (2.28)
q
229 - 39 (3.0 - 4.0, 22 - 29) 90.0 (3.54)
q
318 - 22 (1.8 - 2.2, 13 - 16) 16.0 (0.63)
q
43 - 4 (0.3 - 0.4, 2.2 - 2.9) 12.0 (0.47)
q
529 - 39 (3.0 - 4.0, 22 - 29) 35.0 (1.38)
IReinstall any part removed.
ICheck fluid level in transmission.
IMove selector lever through all positions to be sure that trans-
mission operates correctly.
With parking brake applied, rotate engine at idling. Move selec-
tor lever through ªNº to ªDº, to ª2º, to ª1º and to ªRº positions.
A slight shock should be felt by hand gripping selector each
time transmission is shifted.
IPerform road test. Refer to ªROAD TESTº, AT-32.NAT287
SAT638A
REMOVAL AND INSTALLATION
Installation (Cont'd)
AT-118

b. Remove boltsqAandqB, and remove control valve assembly
from transmission.
Bolt symbol Length mm (in)
q
A33 (1.30)
q
B45 (1.77)
c. Remove solenoid connector.
IBe careful not to damage connector.
d. Remove manual valve from control valve assembly.
11. Remove terminal cord assembly from transmission case while
pushing on stopper.
IBe careful not to damage cord.
IDo not remove terminal cord assembly unless it is dam-
aged.
SAT353B
SAT026B
SAT127B
SAT128B
DISASSEMBLY
Disassembly (Cont'd)
AT-125

g. Install and temporarily tighten bolts and tube brackets in their
proper locations.
Bolt length and location:
Bolt symbolqaqbqcqd
Bolt length mm (in)70
(2.76)50
(1.97)33
(1.30)27
(1.06)
2. Install solenoids.
a. Attach O-ring and install torque converter clutch solenoid valve
and side plates onto lower body.
b. Attach O-rings and install 3-unit solenoids assembly onto upper
body.
c. Attach O-ring and install line pressure solenoid valve onto
upper body.
3. Tighten all bolts.
SAT199BA
SAT200B
SAT150G
REPAIR FOR COMPONENT PARTS
Control Valve Assembly (Cont'd)
AT-143

b. Remove retainer plates while holding spring.
c. Place mating surface of valve facedown, and remove internal
parts.
IIf a valve is hard to remove, lightly tap valve body with a
soft hammer.
IBe careful not to drop or damage valves, sleeves, etc.
I4-2 sequence valve and relay valve are located far back in
upper body. If they are hard to remove, carefully push them out
using stiff wire.
IBe careful not to scratch sliding surface of valve with wire.
INSPECTION
Valve springs
IMeasure free length and outer diameter of each valve spring.
Also check for damage or deformation.
Inspection standard:
Refer to SDS, AT-197.
IReplace valve springs if deformed or fatigued.
Control valves
ICheck sliding surfaces of valves, sleeves and plugs.
ASSEMBLY
1. Lubricate the control valve body and all valves with ATF. Install
control valves by sliding them carefully into their bores.
IBe careful not to scratch or damage valve body.
SAT826A
SAT827A
SAT828A
SAT829A
SAT830A
REPAIR FOR COMPONENT PARTS
Control Valve Upper Body (Cont'd)
AT-146

DISASSEMBLY
1. Remove valves at parallel pins.
2. Remove valves at retainer plates.
For removal procedures, refer to ªDISASSEMBLYº of Control
Valve Upper Body.
INSPECTION
Valve springs
ICheck each valve spring for damage or deformation. Also mea-
sure free length and outer diameter.
Inspection standard:
Refer to SDS, AT-197.
IReplace valve springs if deformed or fatigued.
Control valves
ICheck sliding surfaces of control valves, sleeves and plugs for
damage.
ASSEMBLY
IInstall control valves.
For installation procedures, refer to ªASSEMBLYº of Control
Valve Upper Body, AT-146.
SAT838A
SAT829A
SAT838A
REPAIR FOR COMPONENT PARTS
Control Valve Lower Body (Cont'd)
AT-150

3. Remove snap ring from clutch drum while compressing clutch
springs.
IDo 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.
IDo not apply compressed air abruptly.
6. Remove D-ring and oil seal from piston.
INSPECTION
Reverse clutch snap ring and spring retainer
ICheck 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-197.
Reverse clutch drive plates
ICheck facing for burns, cracks or damage.
IMeasure 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)
IIf 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-152

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
ICheck for deformation, or damage.
Low and reverse brake return springs
ICheck for deformation or damage. Also measure free length
and outside diameter.
Inspection standard:
Refer to SDS, AT-197.
Low and reverse brake drive plates
ICheck facing for burns, cracks or damage.
IMeasure 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)
IIf not within wear limit, replace.
SAT382I
SAT876A
SAT829A
SAT845A
REPAIR FOR COMPONENT PARTS
Low & Reverse Brake (Cont'd)
AT-162