1997 ACURA NSX Service Repair Manual

TORQUE SPECIFICATIONProCarManuals.com

Illustrated Index

Torque Converter Housing/Valve BodyProCarManuals.com

TORQUE SPECIFICATIONProCarManuals.com

Removal
Left Sid e Cove r
NOTE:
• Clea n al l part s thoroughl y i n solven t o r carbureto r cleaner , an d dr y wit h compresse d air .
• Blo w ou t al l passages .
• Cu t th e loc k tab s o f eac h shaf t locknu t usin g a chisel , the n remov e th e locknut s an d conica l sprin g washer s fro m eac h
shaft .
• Countershaf t locknu t ha s left-han d threads .
1 . Remov e th e vehicl e spee d senso r (VSS ) cover , the n reinstal l thre e bolt s aroun d th e driveshaf t oi l seal .
CAUTION : D o no t damag e th e driveshaf t oi l sea l lip .
2. Sli p th e specia l too l ont o th e mainshaft , an d engag e th e parkin g brak e paw l wit h th e parkin g gear .
3. Remov e th e transmissio n lef t sid e cove r i n th e followin g numbere d sequence .
NOTE: Remov e th e specia l too l fro m th e mainshaf t afte r removin g th e locknuts .
MAINSHAF T HOLDE R07924-PJ4010 A
NOTE: Cu t th e loc k tab s o f eac h shaf t locknu t
usin g a chisel , the n remov e th e locknut s an d
conica l sprin g washers .
CAUTION : Kee p al l o f th e chisele d particle s
ou t o f th e transmission .
CAUTION: Protec t th e li p o f th e
driveshaf t oi l sea l b y reinstallin g thre e
bolts , afte r removin g th e spee d senso r
cover.
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Removal
Transmissio n Housin g
NOTE:
• Clea n al l part s thoroughl y i n solven t o r carbureto r cleaner , an d dr y wit h compresse d air .
• Blo w ou t al l passages .
• Th e (7/32 ) # 7 stee l bal l i n th e revers e idle r gea r shaf t i s unde r sprin g pressure . Tak e car e no t t o le t i t po p out .
1 . Remov e th e transmissio n housin g in th e followin g numbere d sequence .
CAUTION : Se t th e specia l too l wit h bolt s a s shown .
HOUSIN G PULLE R07HAC-PK4010 A
NOTE: Alig n th e contro l shaf t sprin g
pin wit h th e groove in th e transmissio n
housing.
NOTE: Remov e thre e shaft s
together .
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Removal
Valve Bod y
NOTE :
• Clea n al l part s thoroughl y i n solven t o r carbureto r cleaner , an d dr y wit h compresse d air . Blo w ou t al l passages .
• Accumulato r cover s ar e sprin g loaded ; t o preven t strippin g th e thread s i n th e torqu e converte r housing , pres s dow n o n
th e accumulato r cover s whil e unscrewin g th e bolt s i n a crisscros s pattern .
1 . Remov e th e valv e bod y i n th e followin g numbere d sequence .
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 th e balls .
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Repair
5. Remov e th e #60 0 pape r an d thoroughl y was h th e
entir e valv e bod y i n solvent , the n dr y wit h com -
presse d air .
6 . Coa t th e valv e wit h ATF , the n dro p i t 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 an d 5 , the n retest . I f th e
valve s stil l sticks , replac e th e valv e body .
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 . Us e thi s procedur e t o fre e th e valves .
1 . Soa k a shee t o f #60 0 abrasiv e pape r i n AT F 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 t o us e a smal l
screwdrive 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 i n solven t an d dr y
i t wit h compresse d air .
4 . Rol l u p hal f a shee t o f ATF-soake d 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 i s aluminu m an d
doesn' t requir e muc h polishin g t o remov e an y
burrs .
7. 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 F a s a lubricant .
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NOTE: Coat all parts with ATF before assembly.

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

body, then install the roller.
• Set the spring in the valve, and install it in the valve

body. Push the spring in with a screwdriver, then

install the spring seat.
Assembly
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