ACURA RL KA9 1996 Service Repair Manual

Torque Converter Housing/Valve Body

Removal

NOTE:

• Clean all parts thoroughly in solvent or carburetor cleaner, and dry with compressed air.

• Blow out all passages.

• When removing the valve body from the torque converter housing, replace the O-ring.ProCarManuals.com

1. Remove the eight 6 mm bolts and one 8 mm bolt

securing the regulator valve body, then remove the

regulator valve body.

2. Remove the Stator shaft, stop shaft, and regulator

separator plate.

3. Remove the three 6 mm bolts and two 8 mm bolts

securing the ATP pump body, then remove the ATP

pump body.

4. Remove the ATP pump driven gear shaft, ATP pump

gears, torque converter check valve, and spring.

5. Remove the four bolts securing the accumulator

cover, then remove the accumulator cover.

NOTE: The accumulator cover is spring loaded. To

prevent stripping the threads in the torque converter

housing, press down on the accumulator cover

while unscrewing the bolts in a crisscross pattern.

6. Remove the eight ATP feed pipes from the accumu-

lator body.

7. Remove the eight 6 mm bolts and seven 6 mm spe-

cial bolts securing the accumulator body, then

remove the accumulator body.

8. Remove the torque converter housing separator

plate with three dowel pins.ProCarManuals.com

Valve Bod y
Repai r
NOTE : Thi s repai r i s onl y necessar y i f on e o r mor e o f
th e valve s i n a valv e bod y d o no t slid e smoothl y i n thei r
bores . Yo u ma y us e thi s procedur e t o fre e th e valve s i n
th e valv e bodies .
1 . Soa k a shee t o f #60 0 abrasiv e pape r i n AT P fo r
abou t 3 0 minutes .
2 . Carefull y ta p th e valv e bod y s o th e stickin g valv e
drop s ou t o f it s bore .
CAUTION : I t ma y b e necessar y to us e a smal l screw -
drive r t o pr y th e valv e free . B e carefu l no t t o scratc h
th e bor e wit h th e screwdriver .
3 . Inspec t th e valv e fo r an y scuf f marks . Us e th e ATF -
soake d #60 0 pape r t o polis h of f an y burr s tha t ar e
o n th e valve , the n was h th e valv e in solven t an d dr y
it wit h compresse d air .
4. Rol l u p hal f a shee t o f ATF-soake d #60 0 pape r an d
inser t i t i n th e valv e bor e o f th e stickin g valve .
Twist th e pape r slightly , s o tha t i t unroll s an d fit s
the bor e tightly , the n polis h th e bor e b y twistin g th e
pape r a s yo u pus h i t i n an d out .
CAUTION : Th e valv e bod y is aluminu m an d doesn' t
requir e muc h polishin g to remov e an y burrs .
ATF-soake d#600 abrasiv epaper
5. Remov e th e #60 0 paper . Thoroughl y was h th e entir e
valv e bod y i n solvent , the n dr y i t wit h compresse d
air.
6. Coa t th e valv e wit h ATP , the n dro p it int o it s bore . I t
shoul d dro p t o th e botto m o f th e bor e unde r it s ow n
weight . I f not , repea t ste p 4 , the n retest . I f th e valv e
still sticks , replac e th e valv e body .
VALV E
VALVEBODY
Remov e th e valve , an d thoroughl y clea n i t an d th e
valv e bod y wit h solvent . Dr y al l part s wit h com -
presse d air , the n reassembl e usin g AT P a s a lubricant .
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Valve

Assembly

NOTE: Coat all parts with ATP before assembly.

• Install the valve, valve spring and cap in the valve

body, and secure with the roller.

ROLLER

SPRING

VALVE BODY

VALVE

CAP

CAP

SPRING
• Set the spring in the valve, then install them in the

valve body. Push the spring in with a screwdriver,

then install the spring seat.

SPRING SEAT

SPRING

VALVE BODY

• Install the valve, valve spring and cap in the valve

body, then secure with the valve cap clip. Rotate the

valve cap clip until it stops against the valve body

wall.

VALVE CAP

CLIP

VALVE CAP
ROLLER

VALVE BODY

VALVEProCarManuals.com

Valve Cap s
Descriptio n
• Cap s wit h on e projecte d ti p an d on e fla t en d ar e
installe d wit h th e fla t en d towar d th e insid e o f th e
valv e body .
• Cap s wit h a projecte d ti p o n eac h en d ar e installe d
wit h th e smalle r ti p towar d th e insid e o f th e valv e
body . Th e smal l ti p is a sprin g guide .
TOWAR D OUTSID E O F VALV E BOD Y
TOWAR D INSID E O F VALV E BOD Y
• Cap s wit h on e projecte d ti p an d a hollo w en d ar e
installe d wit h th e ti p towar d th e insid e o f th e valv e
body . Th e ti p is a sprin g guide .
TOWAR D OUTSID E O F VALV E BOD Y
TOWAR D INSID E O F VALV E BOD Y
• Cap s wit h hollo w end s ar e installe d wit h th e hollo w
en d awa y fro m th e insid e o f th e valv e body .
• Cap s wit h notche d end s ar e installe d wit h th e notc h
towar d th e insid e o f th e valv e body .
• Cap s wit h fla t end s an d a hol e throug h th e cente r ar e
installe d wit h th e smalle r hol e towar d th e insid e o f
th e valv e body .
TOWAR D OUTSID E O F VALV E BOD Y
TOWAR D INSID E O F VALV E BOD Y
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Secondary Valv e Bod y
SPRIN G SPECIFICATION S
Disassembly/lnspection/Reassembl y
NOTE:
• Clea n al l part s thoroughl y i n solven t o r carbureto r cleaner , an d dr y the m wit h compresse d air .
• Blo w ou t al l passages .
• Chec k al l valve s fo r fre e movement . I f an y fai l t o slid e freely , se e Valv e Bod y Repai r o n pag e 14-136 .
• Coa t al l part s wit h AT P durin g assembly .
• Instal l th e filter s i n th e directio n shown .
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Main Valv e Bod y
Disassembly/Inspection/Reassembl y
NOTE:
Clean al l part s thoroughl y in solven t o r carbureto r cleaner , an d dr y the m wit h compresse d air .
Blo w ou t al l passages .
Replac e th e valv e bod y a s a n assembl y if an y part s ar e wor n o r damaged .
Chec k al l valve s fo r fre e movement . I f an y fai l t o slid e freely , se e Valv e Bod y Repai r o n pag e 14-136 .
Coa t al l part s wit h AT P durin g assembly .
Instal l th e filter s i n th e directio n shown .
CAUTION : D o no t us e a magne t t o remov e th e chec k balls ; i t ma y magnetiz e them .
4-3 KICK-DOW N VALV E3-4 SHIF T VALV E
MANUA L VALV E
MAI N VALV E BOD Y
Inspec t fo r wear , scratches ,
and scoring .FILTERReplac e
MAIN ORIFIC ECONTRO L VALV E
2-3 SHI R VALV E
VALVE CA P
ROLLE R
VALVECAPCLI P
SPRIN G SEA T
1-
2 SHIF T VALV E
FILTE
R
Replace .CHOK
E
CHEC
K BALLS , 9
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NOTE: Do not position the check ball

in this hollow.

CHECK BALLS

CHECK BALLS

FILTERS
CHOKE

SPRING SPECIFICATIONS

Unit: mm (in)
CHECK BALLSProCarManuals.com

Regulator Valv e Bod y
Disassembly/Inspection/Reassembl y
NOTE:
• Clea n al l part s thoroughl y i n solven t o r carbureto r cleaner , an d dr y the m wit h compresse d air .
• Blo w ou t al l passages .
• Replac e th e valv e bod y a s a n assembl y if an y part s ar e wor n o r damaged .
• Chec k al l valve s fo r fre e movement . I f an y fal l t o slid e freely , se e Valv e Bod y Repai r o n pag e 14-136 .
1 . Hol d th e regulato r sprin g ca p in plac e whil e removin g th e sto p bolt . Th e regulato r sprin g ca p is sprin g loaded . Onc e th e
sto p bol t i s removed , releas e th e sprin g ca p slowl y s o it doe s no t po p out .
2 . Reassembl y is th e revers e o f disassembly .
NOTE:
• Coa t al l part s wit h AT P durin g assembly .
• Alig n th e hol e i n th e regulato r sprin g cap with th e hol e i n th e valv e body , the n pres s th e sprin g cap into th e bod y
an d tighte n th e sto p bolt .
REGULATO RVALVE BOD YInspec t fo r wear , scratches ,
an d scoring .
STOP BOL T6 x 1. 0 m m12 N- m (1. 2 kgf-m , 8. 7 Ibf-ft )
COOLE R RELIE FVALVE
SPRIN GSEAT
REGULATO RSPRING CA P
VALV E CA P
LOCK-U P SHIF T VALV E
SPRING SPECIFICATION SUnit: m m (in )
* : Insid e Diamete r
REGULATO RVALV E
REGULATO RSPRING SEAT
ROLLER
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Accumulator Bod y
Disassembly/Inspection/Reassembl y
NOTE:
• Clea n al l part s thoroughl y i n solven t o r carbureto r cleaner , an d dr y the m wit h compresse d air .
• Blo w ou t al l passages .
• Chec k al l piston s fo r fre e movement . I f an y fai l t o slid e freely , se e Valv e Bod y Repai r o n pag e 14-136 .
• Coa t al l part s wit h AT P durin g assembly .
• Th e 3r d accumulato r an d th e 4t h accumulato r us e th e sam e siz e piston . Th e 3r d accumulato r pisto n ha s th e sprin g (3r d
accumulato r sprin g C ) a t it s bottom .
ATP FEE D PIP E8 x 57. 5 mm3 pcs .
ATP FEE D PIP E 1 0 x 60 m m
ACCUMULATO R COVE R
AT F FEE D PIP E
8 x 40 m m4 pcs .
ACCUMULATO R BOD Y
Inspec t fo r wear , scratches,
an d scoring .
3R D ACCUMULATO R PISTO N
Wit h sprin g (3r d accumulato r spring )
a t th e botto m o f th e pisto n DOWE
L PI N
O-RIN G
Replace .
4TH ACCUMULATO R
PISTO N
Withou t sprin g
O-RIN G
Replace .
3RD ACCUMULATO R
SPRIN G B O-RIN
GReplace .
SPRING SPECIFICATION SUnit: m m (in )
O-RIN GReplace .
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