ACURA TL 1995 Service Repair Manual

Power Steerin g Pum p
Disassembl y
Pulley Remova l
1. Drai n th e flui d fro m th e pump .
2 . Hol d th e steerin g pum p i n a vis e wit h sof t jaws ,
hold th e pulle y wit h th e specia l tool , an d remov e
the pulle y nu t an d pulley .
CAUTION : B e carefu l no t t o damag e th e pum p
housin g wit h th e jaw s o f th e vise .
NOTE : Pulle y nu t ha s left-han d threads .
UNIVERSA L HOLDE R
0772 5-003000 0
PULLEY NU T (Left-han d threed )
PULLEY
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Power Steerin g Pum p
Disassembl y (cont'd )
Flow Contro l Valv e Removal/Inspectio n
1. Remov e th e contro l valv e cove r b y removin g th e
thre e flang e bolts .
2 . Remov e th e spring , flo w contro l valv e an d O-rings .
FLOW
CONTRO L VALV E
SPRING
CONTRO L VALV E COVE R
22.1 x 19 m m O-RIN GReplace . 5.
8 x 1. 9 m m O-RIN G
Replace .
3. Chec k th e flo w contro l valv e fo r wear , burrs , an d
othe r damag e t o th e edge s of the groove s i n th e
valve .
FLOWCONTRO L VALV E
Chec k fo r
damag e t o edges .
4. Inspec t th e bor e fo r th e flo w contro l valv e fo r
scratche s o r wear .
5 . Sli p th e valv e bac k i n th e pump , an d chec k tha t i t
move s in an d ou t smoothly .
FLOWCONTRO L VALV E
If OK , g o t o ste p 6 ; i f not , replac e th e pum p a s a n
assembly . Th e flo w contro l valv e i s no t availabl e
separately .
6. Attac h a hos e to th e en d o f th e valv e a s shown .
HOSE
FLOW CONTRO L VALV E
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7. Submerg e th e valv e i n a containe r o f powe r steer -
in g flui d o r solvent , an d blo w in th e hose . I f ai r bub -
ble s lea k throug h th e valv e a t les s tha n 9 8 kP a
(1. 0 kgf/cm
2, 14. 2 psi) , replac e o r repai r i t a s follows .
AIR PRESSUR E
POWE R STEERIN G
FLUI D o r SOLVEN T
8. Hol d th e botto m en d o f th e valv e wit h a ope n en d
wrench .
9.Unscre w th e sea t i n th e to p en d o f th e valve , an d
remov e an y shims , th e relie f chec k ball , relie f valv e
an d relie f valv e spring .
RELIEF VALV E
RELIE F CHEC K BAL L
SHIM(S )
I f used .
SEA T
13 N- m(1.3 kgf-m , 9 Ibf-ft )
RELIE F VALV E
SPRIN G
FLO W CONTRO L VALV E
Clamp thi s en d ina vis e wit h sof t jaws .
10. Clea n al l th e part s i n solvent , dr y the m off , the n
reassembl e an d retes t th e valve . I f th e flo w contro l
valv e test s OK , reinstal l i t i n th e pump . I f th e flo w
contro l valv e stil l leak s air , replac e th e pum p a s a n
assembly . Th e flo w contro l valv e i s no t availabl e
separately .
NOTE: I f necessary , relie f pressur e i s adjuste d a t
th e factor y b y addin g shim s unde r th e chec k bal l
seat . I f yo u foun d shim s i n you r valve , b e sur e yo u
reinstal l a s man y a s yo u too k out .
Pum p Roto r Remova l
CAUTION : Th e pum p component s ar e mad e o f alumi -
num . B e carefu l no t t o damag e the m whe n servicing .
1 . Remov e th e inle t join t an d O-ring .
INLET JOIN T
13 x 1. 5 m mO-RIN G
Replace .
2. Remov e th e pum p cove r an d O-ring .
PUMP COVE R
88.5 x 1. 5 m mO-RIN G
Replace .
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Power Steerin g Pum p
Disassembl y (cont'd )
3. Remov e th e pum p ca m rin g fro m th e pum p hous -
ing.
NOTE : Replac e th e pum p a s a n assembl y if th e ca m
rin g mus t b e replaced .
PUMP CA M RIN G
Chec k fo r damag e an d wear .
4. Remov e th e pum p roto r an d vanes .
NOTE : Replac e th e pum p a s a n assembl y i f th e
pum p roto r o r vane s mus t b e replaced .
PUMP ROTO R
Chec k fo r damag e an d wear .
PUM P VANE S
Chec k fo r damag e an d wear .
5. Remov e th e tw o roller s fro m th e sid e plate .
6 . Remov e th e sid e plat e an d preloa d spring .
NOTE : Replac e th e pum p a s a n assembl y i f th e sid e
plat e mus t b e replaced .
ROLLER5 x 26. 8 mm
ROLLE R4.5 x 49. 8 mm
SID E PLAT ECheck fo r damag e
an d wear .
PRELOA DSPRING
7. Remov e th e O-ring s fro m th e sid e plate .
16.8 x 1. 9 m mO-RIN GReplace .
54 x 1. 9 m mO-RIN GReplace .
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8. Remov e th e circlip , the n remov e th e driv e shaf t
assembl y fro m th e pum p housin g usin g a plasti c
hammer .
9 . Remov e th e sea l space r an d oi l seal .
10 . Inspec t th e pum p housin g fo r damag e o n th e seal -
in g surfaces .
CIRCLIP38 m m
DRIV E SHAF TCheck fo r bend ,damag e an d wear .
PUMP SEA LSPACE R
OIL SEA LReplace .
PUMP HOUSIN G
11. Inspec t th e bearin g b y rotatin g th e oute r rac e slow -
ly . I f an y pla y o r roughnes s i s felt , replac e th e bear -
ing.
12. Remov e an d discar d th e bearin g usin g th e specia l
too l an d a press .
Press
HUB DIS/ASSEMBL Y BAS E07GA F-SD4070 0
13. Instal l th e ne w bearin g usin g th e specia l too l an d a
press .
Press
Instal l wit h th ered shielde d sid efacin g down .
HUB DIS/ASSEMBL Y BAS E07GAF-SD4070 0NOTE: Suppor t th e inne r rac ewith th e too l securely .
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Power Steerin g Pum p
Reassembl y
CAUTION: Th e powe r steerin g component s ar e mad e o f aluminum . Avoi d damagin g th e component s durin g assembly .
NOTE :
• Clea n th e disassemble d part s wit h a solvent , an d dr y the m wit h compresse d air . D o no t di p th e rubbe r part s i n a sol -
vent .
• Alway s replac e th e O-ring s an d rubbe r seal s wit h ne w one s befor e reassembly .
• Appl y recommende d powe r steerin g flui d t o th e part s indicate d i n th e reassembl y procedures .
• D o no t allo w dust , dirt , o r othe r foreig n material s t o ente r th e powe r steerin g system .
• Replac e th e pum p a s a n assembl y if th e part s indicate d wit h asteris k (* ) ar e wor n o r damaged .
FLANGE BOL T20 N- m(2.0 kgf-m , 1 4 Ibf-ft )
*PUMP ROTO R
*SID E PLAT E
16. 8 x 1. 9 m m O-RIN G
Replace .
*PUMP HOUSIN G
OI L SEA L
Replace .
ROLLER4.5 x 49. 8 m m
68. 5
x 1. 9 m mO-RIN GReplace .
FLANGE BOL T
1 1 N- m (1. 1 kgf-m , 8 Ibf-ft )PULLE Y
CONTRO L VALV E COVE R
FLANG E BOL T
1 1 N- m (1. 1 kgf-m , 8 Ibf-ft ) PULLE
Y NU T
6 4 N- m (6. 5 kgf-m , 4 7 Ibf-ft )
22. 1 x 1. 9 m m O-RIN G
Replace .
SPRING
5.8 x 1. 9 m mO-RIN GReplace .
*FLOW
CONTRO L VALV E
INLE
T JOIN T
1.3 x 1. 9 m mO-RIN GReplace .
CIRCLIP38 m m
BAL LBEARIN G
DRIVE SHAF T
PUM
P SEA L
SPACE R
PRELOA DSPRING
*PUMP VANE S(10 plates )
ROLLE R5 x 26. 8 mm
PUM P COVE R
*PUM P CA M RIN G
54 x 1. 9 m mO-RIN G
Replace .
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Pump Roto r Installatio n
1. Coa t th e li p o f th e ne w oi l sea l wit h steerin g grease .
2. Instal l th e ne w oi l sea l i n th e pum p housin g b y
hand , the n instal l th e pum p sea l spacer .
NOTE: Inser t th e oi l sea l wit h it s groove d sid e fac -
ing in .
DRIVE R ATTACHMEN T07947-634050 0
38 m mCIRCLI P
DRIVESHAF T
PUMP SEA LSPACE R
OIL SEA LReplace .
ATTACHMENT , 3 7 x 40 m m07746-0010200
3. Instal l th e pum p driv e shaf t assembl y wit h th e spe -
cial tool .
4. Instal l th e 3 8 m m circli p wit h it s radiuse d sid e fac -
ing out .
5. Coa t th e sid e plat e groove s wit h th e recommende d
power steerin g fluid , the n positio n th e 16. 8 x
1. 9 m m an d 5 4 x 1. 9 m m O-ring s o n th e sid e plate .
16.8 x 1. 9 m mO-RIN GReplace .
54 x 1. 9 m mO-RIN GReplace .
SIDE PLAT E 4.
5 m m HOL E
7. Se t th e 4. 5 x 49. 8 m m rolle r i n th e 4. 5 m m hol e i n
th e pum p housing .
8 . Se t th e sid e plat e ove r th e roller , the n instal l i t o n
th e pum p housing .
9 . Se t th e 5 x 26.8 m m rolle r i n th e 5 m m hol e i n th e
sid e plate .
10. Assembl e pum p roto r t o th e driv e shaf t wit h th e "° "
mar k o n th e roto r facin g upward .
11. Se t th e 1 0 vane s in th e groove s in th e rotor .
NOTE : B e sur e tha t th e roun d end s o f th e vane s ar e
in contac t wit h th e slidin g surfac e o f th e ca m ring .
PUM P ROTO R
VAN E
Roun d en d
4.5 x 49. 8 mmROLLE R
5 x 26. 8 mmROLLE R5 m m HOL E
SID E PLAT E
PRELOA DSPRING
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Power Steerin g Pum p
Reassembl y (cont'd )
12. Se t th e pum p ca m rin g ove r th e tw o roller s wit h th e
"8" mar k o n th e ca m rin g upward .
PUMP CA M RIN G
MAR K
ROLLER S
13. Appl y clea n powe r steerin g flui d t o th e vane s an d
ca m ring .
14 . Instal l th e 68. 5 x 1. 9 m m O-rin g o n th e pum p cover .
20 N- m(2.0 kgf-m , 1 4 Ibf-ft )
PROJECTION S PUM
P COVE R
68.5 x 1.9m mO-RIN GReplace .
ROLLER S
15. Alig n th e rolle r se t hole s in th e pum p cove r wit h th e
rollers .
16. Alig n th e projectio n o n th e pum p housin g an d th e
projectio n o n th e pum p cover , the n tighte n th e fou r
bolts .
17. Se t th e 1 3 x 1. 9 m m O-rin g o n th e inle t joint .
13 x 1. 9 m mO-RIN GReplace .
18. Instal l th e inle t join t o n th e pum p housing .
19 . Rotat e th e pum p driv e shaf t manuall y to mak e sur e
th e pum p driv e shaf t rotate s smoothly .
INLET JOIN T11 N- m(1.1 kgf-m , 8 Ibf-ft )
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Flow Contro l Valv e Installatio n
1. Coa t th e ne w O-ring s with clea n powe r steerin g
fluid , the n instal l the m in th e housin g grooves .
SPRING
CONTRO L VALV E COVE R
11 N- m (1. 1 kgf-m , 8 Ibf-ft )
5.8 x 1. 9 m mO-RIN GReplace .
22.1 x 1. 9 m mO-RIN GReplace .
2. Coa t th e flo w contro l valv e wit h clea n powe r steer -
ing fluid .
3. Instal l th e flo w contro l valve , sprin g an d contro l
valv e cove r o n th e pum p housing .
4 . Tighte n th e thre e contro l cove r bolts .
Pulley Installatio n
1. Hol d th e steerin g pum p in a vis e wit h sof t jaws .
CAUTION : B e carefu l no t t o damag e th e pum p
housin g wit h th e jaw s o f th e vise .
2 . Instal l th e pum p pulle y a s shown , the n instal l th e
pulle y nut .
PULLE YPULLE Y NU T
3. Hol d th e pulle y wit h th e specia l tool , the n tighte n
th e pulle y nut .
UNIVERSA L HOLDE R07725-003000 0
PULLE Y NU T64 N- m (6. 5 kgf-m , 4 7 Ibf-ft )
PULLE Y
4. Chec k tha t th e pum p turn s smoothl y b y turnin g th e
pulley .
FLOW CONTRO LVALVE
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Power Steerin g Pum p
Installatio n
1. Connec t th e inle t hos e an d th e outle t line . Tighte n
the pum p fitting s securely .
2. Loosel y instal l th e pum p i n th e pum p bracke t wit h
mountin g bolts .
ADJUSTIN GBOLT
PUM P MOUNTIN G NU T22 N- m(2.2 kgf-m , 1 6 Ibf-ft )
PUMP INLE T HOS E(Low-pressure )
PUMP MOUNTIN GBOLT O-RIN
G
Replace .
PUMP
PUMP MOUNTIN G BOL T49 N- m (5. 0 kgf-m , 3 6 Ibf-ft )
3. Instal l th e pum p belt .
CAUTION :
• Mak e sur e tha t th e powe r steerin g bel t i s securel y
o n th e groove s o f th e pulleys .
• D o no t ge t powe r steerin g flui d o r greas e o n th e
powe r steerin g bel t o r pulle y faces . Clea n of f an y
flui d o r greas e befor e installation .
POWER STEERIN G BEL T
PULLEY
4. Adjus t th e pum p bel t (se e pag e 17-23 ).
5 . Fil l th e reservoi r t o th e uppe r leve l line .
NOTE : Tak e car e no t t o spil l th e flui d o n th e bod y
an d parts . Wip e of f an y spille d flui d a t once .
CAUTION : Alway s us e Genuin e Hond a Powe r
Steerin g Fluid- V o r S . Usin g an y othe r typ e o f powe r
steerin g flui d o r automati c transmissio n flui d ca n
caus e increase d wea r an d poo r steerin g i n col d
weather .
SYSTE M CAPACITY :
1. 3 lite r (1.3 7 US.qt , 1.1 4 Imp.qt )
RESERVOI R CAPACITY :
0.5 lite r (0.5 3 US.qt , 0.4 4 Imp.qt )
UPPER LEVE L LIN E
LOWE R LEVE L LIN E
— Star t th e engine , le t i t ru n a t idle , the n tur n th e
steerin g whee l lock-to-loc k severa l time s t o blee d
ai r fro m th e system .
— Rechec k th e flui d leve l an d ad d mor e i f neces -
sary .
CAUTION : D o no t fil l th e reservoi r beyon d th e uppe r
leve l line .
PUM P OUTLE T LIN E(High-pressure )1
1 N- m (1. 1 kgf-m ,
8 Ibf-ft )
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