1997 ACURA NSX Service Repair Manual

BEARING OUTER RACE

75 mm THRUST SHIM

Selection.

CLAMP

BACK-UP LIGHT SWITCH

25 N-m (2.5 kgf-m, 18 Ibf-ft)

CLAMP

TRANSMISSION HANGER B

TRANSMISSION HANGER A

CLAMP

CLAMP

WASHER Replace.

OIL FILLER PLUG

44 N-m (4.5 kgf-m, 33 Ibf-ft)

42 x 63 x 12.5 mm OIL SEAL

Replace.

WASHER Replace.

DRAIN PLUG

39 N-m (4.0 kgf-m, 29 Ibf-ft)

36 mm SEALING BOLT

34 N-m (3.5 kgf-m, 25 Ibf-ft)

STRAINER COVER

O-RING Replace.
STRAINER SET SPRING

OIL PUMP STRAINER

14 mm SEALING BOLT

32 N-m (3.3 kgf-m, 24 Ibf-ft)

SPRING (L. 25 mm)

STEEL BALL (3/8 in)

REVERSE LOCKOUT SOLENOID

O-RING Replace.

SELECT LOCK PIN

SELECT LOCK RETURN SPRING

SELECT LOCK COLLAR

SPRING (L. 30 mm)
12 mm SEALING BOLT

22 N-m (2.2 kgf-m, 16 Ibf-ft)

STEEL BALL (5/16 in)

SHIFT LEVER ASSEMBLY

Removal, page 13-23

Installation, page 13-48

NEUTRAL POSITION SWITCH

25 N-m (2.5 kgf-m, 18 Ibf-ft)

TRANSMISSION HOUSING

OIL GUIDE PLATE

82 mm THRUST SHIM

Selection, page 13-46ProCarManuals.com

Transmission Housin g
Remova l
1. Plac e th e clutc h housin g o n tw o piece s o f woo d
thic k enoug h t o kee p th e mainshaf t fro m hittin g th e
workbench .
2 . Remov e th e bac k u p ligh t switch , neutra l positio n
switch , revers e lockou t solenoid , differentia l spee d
senso r an d vehicl e spee d senso r (VSS) .
3 . Remov e th e sealin g bolts , spring s an d stee l balls .
4 . Remov e th e transmissio n housin g attachin g bolt s i n
a crisscros s patter n in severa l steps .
5 . Remov e th e 3 6 m m sealin g bolt . 6
. Expan d th e sna p rin g o n th e countershaf t bal l bear -
ing , an d remov e i t fro m th e groov e usin g a pai r o f
sna p rin g plier .
7 . Separat e th e clutc h housin g fro m th e transmissio n
housing .
8 . Remov e th e thrus t shi m an d oi l guid e plat e fro m
th e transmissio n housing .
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Reverse Shift Arm, Reverse Shift Fork

Clearance Inspection

1. Measure the clearance between the reverse shift

arm and the reverse shift piece.

2. If the clearance exceeds the service limit, measure

the width of the groove in the reverse shift arm.

If the width of the groove exceeds the standard,

replace the reverse shift arm with a new one.

If the width of the groove is within the standard,

replace the reverse shift piece with a new one.
If the width is less than the standard, replace the

reverse shift arm with a new one.

If the width is within the standard, replace the

reverse shift fork with a new one.
3. Measure the clearance between the reverse shift

arm and reverse shift fork.

4. If the
clearance exceeds
the
service
limit,
measure

the width of the reverse shift arm.ProCarManuals.com

Reverse Shif t Arm ,
Revers e Shif t For k
Clearanc e Inspectio n (cont'd )
5. Measur e th e clearanc e betwee n th e revers e shif t
for k an d revers e synchr o sleeve .
6 . I f th e clearanc e exceed s th e servic e limit , measur e
the thicknes s o f th e shif t for k fingers .
If th e trickines s i s les s tha n th e standard , replac e th e
revers e shif t for k wit h a ne w one .
If th e trickines s i s withi n th e standard , replac e th e
revers e synchr o sleev e wit h a ne w one .
Th e synchr o sleev e an d synchr o hu b shoul d b e
replace d a s a set .
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Reverse Idler Gear Shaft

Assembly

Removal

1. Remove the reverse shift arm from the clutch hous-

ing.

2. Shift the reverse shift fork to the driven gear side.

3. Remove the reverse shift fork assembly.ProCarManuals.com

4. Remove the reverse idle gear shaft assembly.ProCarManuals.com

Disassembly/Reassembly
NOTE:
• Th e thrus t needl e bearing s ar e th e sam e size .
• Th e needl e bearing s ar e th e sam e size .
Prio r t o reassembling , clea n al l th e part s i n sol -
vent , dr y them , an d appl y lubrican t t o an y con -
tac t surface .
NEEDLE BEARIN G
Inspec t fo r wea r an d operation .
THRUS T NEEDL E BEARIN G
Inspec t fo r wea r an d operation .
SYNCHRO SPRIN G
SYNCHR O RIN G
Inspection , pag e 13-4 1
REVERS E SYNCHR O SLEEV EInspection , pag e 13-2 0
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Reverse Shif t For k Assembly
Disassembly/Reassembl y
NOTE: Th e sprin g pi n groove s shoul d b e 180 ° apart .
REVERS E SHIF T FOR KInspection , pag e 13-2 0
Disassembly :
Remove th e 3 m m sprin g pi n an d 5 m m sprin g pin .
Reassembly :
Install th e 5 m m sprin g pi n first , the n instal l th e 3 m m
sprin g pin .
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