Infiniti Q45 (FY33). Manual — part 56
Control Valve Assembly
SAT742J
GI
MA
EM
LC
EC
FE
PD
FA
RA
BR
ST
RS
BT
HA
EL
IDX
REPAIR FOR COMPONENT PARTS
AT-221
SAT194B
DISASSEMBLY
1.
Remove solenoids.
a.
Remove torque converter clutch solenoid valve and side plate
from lower body.
b.
Remove O-ring from solenoid.
SAT667A
c.
Remove line pressure solenoid valve from upper body.
d.
Remove O-ring from solenoid.
SAT481G
e.
Remove 3-unit solenoid assembly from upper body.
f.
Remove O-rings from solenoids.
SAT195B
2.
Disassemble upper and lower bodies.
a.
Place upper body facedown, and remove bolts, reamer bolts
and support plates.
b.
Remove lower body, separator plate as a unit from upper body.
I
Be careful not to drop pilot filter, orifice check valve,
spring and steel balls.
SAT061E
c.
Place lower body facedown, and remove separator plate.
d.
Remove pilot filter, orifice check valves and orifice check
springs.
REPAIR FOR COMPONENT PARTS
Control Valve Assembly (Cont’d)
AT-222
SAT671A
e.
Check to see that steel balls are properly positioned in upper
body and then remove them from upper body.
SAT672A
INSPECTION
Lower and upper bodies
I
Check to see that there are pins and retainer plates in lower
body.
SAT673A
I
Check to see that there are pins and retainer plates in upper
body.
I
Be careful not to lose these parts.
SAT674A
I
Check to make sure that oil circuits are clean and free from
damage.
I
Check tube brackets and tube connectors for damage.
SAT675A
Separator plate
I
Check to make sure that separator plate is free of damage and
not deformed and oil holes are clean.
GI
MA
EM
LC
EC
FE
PD
FA
RA
BR
ST
RS
BT
HA
EL
IDX
REPAIR FOR COMPONENT PARTS
Control Valve Assembly (Cont’d)
AT-223
SAT443E
Pilot filter
I
Check to make sure that filter is not clogged or damaged.
Orifice check valve
I
Check that orifice check valve is not damaged.
SAT149G
Torque converter clutch solenoid valve
I
Check that filter is not clogged or damaged.
I
Measure resistance. Refer to “Component Inspection”, AT-117.
Line pressure solenoid valve
I
Check that filter is not clogged or damaged.
I
Measure resistance. Refer to “Component Inspection”, AT-128.
SAT095B
3-unit solenoid assembly (Overrun clutch solenoid
valve and shift solenoid valves A and B)
I
Measure resistance of each solenoid. Refer to “Component
Inspection”, AT-131 (Sol A), (Sol B), (O/C sol).
SAT196BA
A/T fluid temperature sensor
I
Measure resistance. Refer to “Component Inspection”, AT-88.
SAT671A
ASSEMBLY
1.
Install upper and lower bodies.
a.
Place oil circuit of upper body face up. Install steel balls in their
proper positions.
REPAIR FOR COMPONENT PARTS
Control Valve Assembly (Cont’d)
AT-224
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