ACURA NSX 1997 Service Repair Manual
Page 641 of 1503
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
Page 642 of 1503
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
Page 643 of 1503
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
Page 644 of 1503
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
Page 645 of 1503
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
Page 646 of 1503
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
Page 647 of 1503
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
Page 648 of 1503
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
Page 649 of 1503
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
Page 650 of 1503
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