1996 ACURA RL KA9 Service Repair Manual

Differential Assembl y
Inspection
To establis h a startin g poin t befor e disassembly , inspec t
the following :
Ring gea r backlas h
Tota l bearin g preloa d
Gea r toot h contac t
NOTE:
Be sur e th e differential is a t roo m temperatur e befor e
inspecting .
Recor d th e result s o f th e preliminar y inspections .
Thi s informatio n wil l b e helpfu l durin g reassembly .
Rin g gea r backlas h
1 . Remov e th e oi l fille r plu g an d th e oi l seal .
OIL SEA LReplace .
OIL FILLE R PLU G
4 4 N- m (4. 5 kgf-m , 3 3 Ibf-ft )
WASHE R
Replace .
BENCHVISE LOCKNU
T SOCKET ,
36 x 4 1 m m07HAA-SF1010 0
3. Alig n th e differentia l gea r inspectio n hol e wit h th e
oi l fille r plu g hole . 4
. Measur e th e backlas h o f th e rin g gea r o n th e differ -
entia l carrie r usin g th e specia l tool s a s shown . Afte r
measuring , remov e th e dia l gaug e an d tur n th e dif -
ferentia l carrie r on e ful l turn , the n remeasur e th e
backlash .
Standard : 0.0 6 - 0.1 4 m m (0.00 2 - 0.00 6 in )
Th e differenc e betwee n th e tw o measurement s take n
mus t no t excee d 0.0 6 m m (0.00 2 in) .
LOCKNU T SOCKET ,36 x 4 1 m m07HAA-SF1010 0
Total bearin g preloa d
5 . Remov e th e differentia l cas e cove r an d th e differen -
tia l carrier .
NOTE : Loose n th e bolt s i n a crisscros s pattern , i n
severa l steps .
10 x 1.2 5 mm44 N- m (4. 5 kgf-m , 3 3 Ibf-ft )
DIFFERENTIA L
CAS E COVE R
DIFFERENTIA L
CARRIER
2. Secur e th e differentia l assembly in a vis e wit h sof t
jaws .
SOFT JAW S
INSPECTIO NHOLE
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Use a dial-typ e torqu e wrenc h o n th e driv e pinio n to
measur e th e driv e pinio n bearin g preloa d (Tp) .
Standard : 1.4 2 - 1.9 1 N- m
(14. 5 - 19. 5 kgf-cm , 12. 6 - 16. 9 Ibf-in )
7. Reinstal l th e differentia l carrie r an d th e differentia l
cas e cover , the n measur e th e tota l bearin g preload .
Th e tota l bearin g preloa d shoul d excee d th e driv e
pinio n bearin g preloa d (Tp ) by :
Standard :
0.94 - 1.0 7 N- m (9. 6 - 10. 9 kgf-cm , 8.3 3 - 9.4 6 Ibf-in )
Example :
Total bearin g preloa d (fro m ste p 7 )
- T p (fro m ste p 6 ) Gea
r toot h contac t
8 . Remov e th e differentia l cas e cove r an d differentia l
carrier . Clea n an d pain t th e rin g gea r teet h lightl y an d
evenl y wit h Prussia n Blu e (o n bot h side s of eac h
tooth) .
9 . Reinstal l th e differentia l carrie r an d th e differentia l
cas e cover , the n torqu e th e bolt s in a crisscros s pat -
ter n in severa l steps .
10 . Instal l th e specia l too l a s shown , the n rotat e th e
driv e pinio n i n bot h direction s s o tha t th e rin g gea r
rotat e on e ful l tur n i n bot h directions . Durin g thi s
operatio n resistanc e shoul d b e applie d t o th e rin g
gear .
LOCKNU T SOCKET ,36 x 41 m m07HAA-SF1010 0
DRIVEPINIO N
11. Remov e th e differentia l cas e cove r an d th e differen -
tia l carrier , the n chec k th e toot h contac t pattern .
CORREC T TOOT H CONTAC T
TOE CONTAC T HEE L CONTAC T
FLANK CONTAC T FAC E CONTAC T
15-11
= 0.9 4 - 1.0 7 N- m (9. 6 - 10. 9 kgf-cm , 8.3 3 - 9.4 6 Ibf-in )
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Differential Assembly

Disassembly

1. Remove the bolts in a crisscross pattern, in several

steps, then remove the differential case cover.

DIFFERENTIAL

CASE COVER

DIFFERENTIAL CASE

2. Remove the oil seal from the differential case cover.

OIL SEAL

Replace.

DIFFERENTIAL

CASE COVER
Remove the bearing outer race and the 79.5 mm

thrust shim(s) from the differential case cover by heat-

ing the differential case cover to about 212°F (100°C).

NOTE:

Do not heat the differential case cover in excess

of 212°F (100°C).

If the bearing outer race was removed by heat-

ing, allow the differential case cover to cool to

room temperature.

Replace the tapered roller bearing with a new

one whenever the bearing outer race is replaced.

BEARING OUTER

RACE

79.5
mm

THRUST SHIM

(1 or 2 shims)

DIFFERENTIAL CASE COVER

4. Remove the breather plate.

SCREW

Replace.

BREATHER PLATEProCarManuals.com