2002 NISSAN TERRANO Service Repair Manual

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

Control Valve Upper Body
Numbers preceding valve springs correspond with those shown in SDS on page AT-197. Apply ATF to all components before their installation.
SAT665I
REPAIR FOR COMPONENT PARTS
AT-144

DISASSEMBLY
1. Remove valves at parallel pins.
IDo not use a magnetic hand.
a. Use a wire paper clip to push out parallel pins.
b. Remove parallel pins while pressing their corresponding plugs
and sleeves.
IRemove plug slowly to prevent internal parts from jumping
out.
c. Place mating surface of valve facedown, and remove internal
parts.
IIf a valve is hard to remove, place valve body facedown
and lightly tap it with a soft hammer.
IBe careful not to drop or damage valves and sleeves.
2. Remove valves at retainer plates.
a. Pry out retainer plate with wire paper clip.
SAT834A
SAT822A
SAT823A
SAT824A
SAT825A
REPAIR FOR COMPONENT PARTS
Control Valve Upper Body (Cont'd)
AT-145

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

IWrap a small screwdriver with vinyl tape and use it to insert the
valves into proper position.
Pressure regulator valve
IIf pressure regulator plug is not centered properly, sleeve can-
not be inserted into bore in upper body.
If this happens, use vinyl tape wrapped screwdriver to center
sleeve until it can be inserted.
ITurn sleeve slightly while installing.
Accumulator control plug
IAlign protrusion of accumulator control sleeve with notch in
plug.
IAlign parallel pin groove in plug with parallel pin, and install
accumulator control valve.
2. Install parallel pins and retainer plates.
IWhile pushing plug, install parallel pin.
SAT831A
SAT832A
SAT833A
SAT834A
SAT823A
REPAIR FOR COMPONENT PARTS
Control Valve Upper Body (Cont'd)
AT-147

4-2 sequence valve and relay valve
IPush 4-2 sequence valve and relay valve with wire wrapped in
vinyl tape to prevent scratching valve body. Install parallel pins.
IInsert retainer plate while pushing spring.
SAT835A
SAT836A
REPAIR FOR COMPONENT PARTS
Control Valve Upper Body (Cont'd)
AT-148

Control Valve Lower Body
Apply ATF to all components before their installation.
Numbers preceding valve springs correspond with those shown in SDS on page AT-197.SAT112GA
REPAIR FOR COMPONENT PARTS
AT-149

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