Page 89 of 1701
Unit:mm(in)
Name ofcontrol valves Length
ALength B Type
Pressure modifiervalve
Lock-up controlvalve 6.0
(0.236) 28.0(1.102)
4-2 sequence valve
Kickdown modulator valve
3-2 timing valve A
1st reducing valve 6.0
(0.236) 21.5(0.846)
Throttle modulator valve
4th speed cutvalve
1-2 accumulator valve 6.0
(0.236) 38.5(1516)
Torque converter reliefvalve 13.0(0.512) 17.0(0.669) B
SAT611D
REPAIR
FORCOMPONENT PARTS
Control ValveUpper Body(Cont'd)
Retainer plate:
Type B
A
E{1}
B
A
Type A
•Install proper retainer plates.
•
AT-89
Page 90 of 1701
SEC.317
~
o
.0
REPAIR
FORCOMPONENT PARTS
Control ValveLower Body
Ol
::>
i5.
o
o
a.
W
~Ol
::>
a:
~
Cll
m
i5.
Q;
c
'OJ
a;
a:
Apply ATFtoall components beforetheirinstallation.
Numbers preceding valvesprings correspond withthose shown inSpring ChartofSOS onpage AT-167.
AT-gO
SAT532H
Page 91 of 1701
REPAIRFORCOMPONENT PARTS
Control ValveLower Body(Cont'd)
DISASSEMBL Y
1. Remove valvesatretainer plate.
For removal procedures, referto"DISASSEMBLY" in"Con-
trol Valve Upper Body", AT-B?
SAT1130 Throttle valve
o
f2- •
Remove throttlevalveatE-ring.
•
INSPECTION
Valve springs
• Check eachvalve spring fordamage ordeformation. Also
measure freelength andouter diameter.
Inspection standard:
Refer to50S, AT-167.
• Replace valvesprings ifdeformed orfatigued.
Control valves
• Check sliding surfaces ofcontrol valves, sleeves andplugs
for damage.
ASSEMBLY
Throttle valve
• Insert throttle valvetocontrol valvebodyandthen install
E-ring tothrottle valve.
SAT147D
SAT13BO
Q
(Length)
SAT1490Pressure regulator valve
• Install pressure regulator valveafterassembling sleeve
plug, plugAand plug B.
SAT1500 AT-91
Page 92 of 1701
REPAIRFORCOMPONENT PARTS
Control ValveLower Body(Cont'd)
3-4 shift valve and2-3shift valve
• Install 3-4shift valve and2-3shift valve afterfixing plugsto
retainer platesonthe opposite side.
SAT151D
•Install control valves.
For installation procedures, referto"ASSEMBLY in"Con-
trol Valve Upper Body", AT-8?
SAT113D
"A"
"B"
U
Type I
"A"
Eli
Type II
SAT153D Retainer
plate:
Unit:mm(in)
Name ofcontrol
valve
Length
ALength 8 Type
Throttle
valve
&
detent
valve 6.0(0.236) 7.2(0.283)
1/
Pressure regulator
valve
3-4
shift
valve
2-3
shift valve
6.0(0.236) 28.0(1.102)
I
1-2
shift valve
Overrun
clutchcontrol
valve
• Install proper retainer plates.
AT-92
Page 93 of 1701
REPAIRFORCOMPONENT PARTS
Reverse Clutch
Piston
* :
Select proper thickness.
~. ApplyATF.
Oil
seal~@D
D-ring~
@:>
Snap ring~
Dish
plate
Drive plate
SEC.
315
Retaining plate
*
Snap ring
I
Driven plate
Snap ring~
SAT940HA
DISASSEMBLY •
1. Check operation ofreverse clutch.
a. Install sealringonto drum support ofoil pump cover and
install reverse clutchassembly. Applycompressed airtooil
hole.
b. Check tosee that retaining platemoves tosnap ring.
c. Ifretaining platedoesnotcontact snapring,
• D-ring mightbedamaged.
• Oilseal might bedamaged.
• Fluid might beleaking pastpiston checkball.
2. Remove snapring.
3. Remove driveplates, drivenplates, retaining plate,anddish
plates.
SAT156D
KV31103200
SAT157D
4.
Set Tool onspring retainer andremove snapringfrom
reverse clutchdrumwhilecompressing returnsprings.
• Set Tool directly abovesprings.
• Donot expand snapringexcessively.
5. Remove springretainer andreturn springs.
• Donot remove returnsprings fromspring retainer.
AT-93
Page 94 of 1701
REPAIRFORCOMPONENT PARTS
Reverse Clutch(Cont'd)
6. Remove pistonfromreverse clutchdrumbyturning
it.
SAT159D
7.Remove O-ringandoilseal from piston.
SAT13BE INSPECTION
Reverse clutchsnapring,spring retainer andreturn
springs
• Check fordeformation, fatigueordamage.
• Replace ifnecessary.
• When replacing springretainer andreturn springs, replace
them asaset.
Reverse clutchdriveplates
• Check facingforburns, cracks ordamage.
• Measure thickness offacing.
Facing Thicknessofdrive plate:
Standard value2.0mm (0.079 in)
Wear limit1.8mm (0.071 in)
• Ifnot within weC1rlimit,replace.
SAT162D Reverse clutchdishplates
• Check fordeformation ordamage.
• Measure thickness ofdish plate.
Thickness ofdish plate:
2.89 -3.19 mm(0.1138 -0.1256 in)
• Ifdeformed orfatigued, replace.
SAT163D AT-94
Page 95 of 1701
Checkairdoes notflow
through ballhole.
REPAIR
FORCOMPONENT PARTS
Reverse Clutch(Cont'd)
Reverse clutchpiston
• Make surecheck ballsarenotfixed.
• Apply compressed airtocheck balloilhole opposite the
return spring. Makesurethere isno air leakage.
• Apply compressed airtooil hole onreturn spring sideto
make sureairleaks pastball.
SAT164D ASSEMBLY
1. Install O-ring andoilseal onpiston.
• Take carewiththedirection ofthe oilseal.
• Apply ATFtoboth parts.
Oil seal
SAT138E
2.Install piston assembly byturning itslowly.
SAT159D
•
Piston Spring
retainer
SAT168D
KV31103200
SAT157D
3.
Install return springs andspring retainer onpiston.
4. SetTool onspring retainer andinstall snapringwhile com-
pressing returnsprings.
• Set Tool directly abovereturnsprings.
AT-95
Page 96 of 1701
REPAIRFORCOMPONENT PARTS
Reverse Clutch(Cont'd)
5. Install driveplates, drivenplates, retaining plateanddish
plates.
• Donot align theprojections ofany twodish plates.
~CD
evCD
?
.~
jjfu
SAT170D
6.Install snapring.
SAT156D
Retaining plate
7.
Measure clearance betweenretaining plateandsnap ring.
If
not within allowable limit,select proper retaining plate.
Specified clearance:
Standard 0.5-0.8 mm (0.020 -0.031 in)
Allowable limit1.2mm (0.047 in)
Retaining plate:
Refer toSOS, AT-168.
SAT174D
8.Check operation ofreverse clutch.
Refer to"DISASSEMBLY" in"Reverse Clutch",AT-93.
AT-96