ACURA NSX 1997 Service Repair Manual

Illustrated Inde x
NOTE :
• Wheneve r th e transmissio n is removed , clea n an d greas e th e releas e bearin g slidin g surface .
• I f th e part s marke d * ar e removed , th e clutc h hydrauli c syste m mus t b e bled .
• Blee d th e clutc h hydrauli c syste m (se e pag e 12-7 ).
• Inspec t th e hose s fo r damage , leaks , interference , an d twisting .
FLYWHEE LInspection, pag e 12-1 1
Replacement , pag e 12-1 2
CLUTCH DIS C
Removal , pag e 12- 8
Inspection , pag e 12- 9
Installation , pag e 12-1 3
PRESSUR E PLAT ERemoval , pag e 12- 8
Inspection , pag e 12-1 0
Installation , pag e 12-1 3
RELEAS E BEARIN GRemoval , pag e 12- 8
Inspection , pag e 12-1 0
Installation , pag e 12-1 3
ProCarManuals.com

Clutch Peda l
Adjustmen t
NOTE:
• T o chec k th e switch , se e sectio n 23 .
• Th e clutc h i s self-adjustin g t o compensat e fo r wear .
CAUTION : I f ther e i s n o clearanc e betwee n th e
maste r cylinde r pisto n an d pus h rod , th e releas e
bearin g is hel d agains t th e diaphrag m spring , whic h
ca n resul t i n clutc h slippag e o r othe r clutc h
problems .
1. Loose n locknu t A , an d bac k of f th e peda l switc h
until i t n o longe r touche s th e clutc h pedal .
2. Loose n locknu t C , an d tur n th e pus h ro d in o r ou t t o
ge t th e specifie d strok e an d heigh t a t th e clutc h
pedal .
3. Tighte n locknu t C .
4. Threa d in th e clutc h peda l switc h A in unti l i t con -
tacts th e clutc h pedal .
5. Tur n th e switc h in 1/4—1/ 2 tur n further .
6. Tighte n locknu t A .
7. Loose n locknu t B an d clutc h peda l switc h B .
8 . Measur e th e clearanc e betwee n th e floo r boar d an d
clutc h peda l wit h th e clutc h peda l full y depressed .
9. Releas e the clutc h peda l 15-2 0 mm (0.59-0.7 9
in) fro m th e full y depresse d position , an d hol d i t
there . Adjus t th e positio n o f peda l switc h B so tha t
the engin e wil l star t wit h th e clutc h peda l i n thi s
position .
10. Threa d i n peda l switc h B in 1/4-1/ 2 tur n further .
11. Tighte n locknu t B .
ProCarManuals.com

Clutch Maste r Cylinde r
Remova lInstallatio n
CAUTION:
• Avoi d spillin g brak e flui d o n pain t a s i t ma y damag e
th e finish .
• Plu g th e en d o f th e clutc h lin e an d reservoi r hos e
wit h a sho p towe l t o preven t flui d fro m flowin g ou t
o f th e clutc h lin e an d reservoi r hos e afte r disconnect -
ing.
1. Disconnec t th e clutc h lin e fro m th e clutc h maste r
cylinder .
2 . Pr y ou t th e cotte r pin , an d pul l th e clevi s pi n ou t o f
th e clevis .
3 . Remov e th e nuts .
4 . Remov e th e reservoi r fro m th e fron t compartment ,
the n remov e th e clutc h maste r cylinder .
5 . Disconnec t th e reservoi r hos e fro m th e clutc h
maste r cylinder , the n remov e th e reservoir . 1
. Instal l th e clutc h maste r cylinde r i n th e revers e
orde r o f removal .
NOTE : Blee d th e clutc h hydrauli c syste m (se e
pag e 12-7 ).
ProCarManuals.com

Slave Cylinde r
Remova l
1. Disconnec t th e clutc h hos e fro m th e slav e cylinder .
Plu g th e en d o f th e clutc h hos e wit h a sho p towe l t o
preven t brak e flui d fro m comin g out .
CAUTION : Avoi d spillin g brak e flui d o n th e painte d
surfaces , a s it ma y damag e th e finish .
2 . Remov e th e slav e cylinde r fro m th e clutc h housing . 1
. Instal l th e slav e cylinde r o n th e clutc h housing .
2 . Blee d th e clutc h hydrauli c system :
• Attac h a hos e t o th e blee d screw , the n suspen d
th e hos e i n a containe r o f brak e fluid .
• Mak e sur e ther e i s a n adequat e suppl y o f flui d a t
th e maste r cylinder , the n slowl y pum p th e clutc h
peda l unti l n o mor e bubble s appea r a t th e hose .
• Refil l th e maste r cylinde r flui d whe n done .
• Alway s us e Genuin e Hond a DO T 3 Brak e Fluid .
Usin g a non-Hond a brak e flui d ca n caus e corro -
sio n an d decreas e th e lif e o f th e system .
Installatio n
ProCarManuals.com

Pressure Plate , Clutc h Dis c
Remova l
1. Remov e th e transmissio n (se e sectio n 13 ).
2 . Instal l th e specia l tools .
HANDL E07936-371010 0
CLUTCH ALIGNMEN T SHAF T07MAF-PR8010 0
RING GEA R HOLDE R07LAB-PV0010 0 or0792 4-PD2000 3
3. T o preven t warping , unscre w th e pressur e plat e
mountin g bolt s tw o turn s a t a tim e i n a crisscros s
pattern , the n remov e th e pressur e plate .
4 . Remov e th e releas e bearin g fro m th e pressur e
plate.
5. Remov e th e clutc h dis c an d specia l tools .
HANDL E07936-371010 0
CLUTCH ALIGNMEN T SHAF T07MAF-PR8010 0
ProCarManuals.com

Clutch Disc

Inspection

1. Inspect the lining of the clutch disc for signs of slip-

page or oil. Replace it if it is burned black or oil

soaked.

2. Measure the clutch disc thickness.
3. Measure the depth from the lining surface to the

rivets, on both sides.

If the thickness is less than the service limit,

replace the clutch disc.
If the depth is less than the service limit, replace

the clutch disc.ProCarManuals.com

Pressure Plat e
Inspectio n
1. Inspec t th e pressur e plat e surfac e fo r wear , cracks ,
and burning .
2. Inspec t th e finger s o f th e diaphrag m sprin g fo r
wea r a t th e releas e bearin g contac t area .
3 . Inspec t fo r warpag e usin g a straigh t edg e an d feele r
gauge . Measur e acros s th e pressur e plat e a t thre e
points .
Standar d (New) : 0.0 3 m m (0.00 1 in ) max .
Servic e Limit : 0.1 5 m m (0.00 6 in )
I f th e warpag e exceed s th e servic e limit , replac e
th e pressur e plate . 1
. Chec k th e releas e bearin g fo r excessiv e pla y b y
spinnin g it b y hand . D o no t was h it i n solvent .
Release Bearin g
Inspectio n
2. I f ther e i s excessiv e play , replac e th e releas e bear -
ing wit h a ne w one .
ProCarManuals.com

Flywheel, Flywhee l Bearin g
Inspectio n
1. Inspec t th e rin g gea r teet h fo r wea r an d damage .
2 . Inspec t th e clutc h dis c matin g surfac e o n th e fly -
whee l fo r wear , cracks , an d burning .
3 . Measur e th e flywhee l runou t usin g a dia l indicato r
throug h a t leas t tw o ful l turns . Pus h agains t th e fly -
whee l eac h tim e yo u tur n i t t o tak e u p th e crank -
shaf t thrus t washe r clearance .
NOTE : Th e runou t ca n b e measure d wit h engin e
installed . 4
. Tur n th e inne r rac e o f th e flywhee l bearin g with
you r finger . Th e flywhee l bearin g shoul d tur n
smoothl y an d quietly . Chec k tha t th e bearin g oute r
rac e fit s tigh t i n th e flywheel . Replac e th e bearin g if
th e inne r rac e doe s no t tur n smoothly , quietly , o r i f
th e oute r rac e doe s no t fi t tigh t i n th e flywheel .
I f th e runou t th e exceed s th e servic e limit , replac e
th e flywheel .
ProCarManuals.com

Flywheel, Flywhee l Bearin g
Replacemen t
1. Remov e th e flywhee l mountin g bolt s in a crisscros s
patter n in severa l steps , the n remov e th e flywheel . 3
. Driv e th e ne w flywhee l bearin g int o th e flywhee l
usin g th e specia l tools .
DRIVE R07749-001000 0
ATTACHMENT , 3 7 x 40 m m
07746-001020 0
4. Alig n th e hol e i n th e flywhee l wit h th e crankshaf t
dowe l pi n an d instal l th e flywheel .
Instal l th e bolt s finge r tight .
5 . Instal l th e specia l tool , the n torqu e th e flywhee l
mountin g bolt s in a crisscros s patter n a s shown .
RING GEA R HOLDE R07LAB-PV0010 0 o r
0792 4-PD2000 3
RING GEA R HOLDE R07LAB-PV0010 0 o r
07924-PD2000 3
2. Remov e th e flywhee l bearin g fro m th e flywheel .
ProCarManuals.com

Pressure Plate , Clutc h Dis c
Installatio n
1. Instal l th e rin g gea r holder .
2 . Appl y greas e t o th e spline s o f th e clutc h disc , the n
instal l th e clutc h dis c usin g th e specia l tool s a s
shown .
HANDL E07936-371010 0
CLUTCH ALIGNMEN T SHAF T
07MAF-PR8010 0
RIN G GEA R HOLDE R
07LAB-PV0010 0 o r
0792 4-PD2000 3
3. Instal l th e releas e bearin g o n th e pressur e plate .
4 . Instal l th e pressur e plate . Mak e sur e th e releas e
bearin g doe s no t com e off .
6. Remov e th e specia l tools .
7 . Reinstal l th e transmissio n (se e sectio n 13 ).
5
. Torqu e th e mountin g bolt s i n a crisscros s patter n
a s shown . Tighte n the m in severa l step s t o preven t
warpin g th e diaphrag m spring . Mak e sur e th e
releas e bearin g doe s no t com e off .
ProCarManuals.com