1995 ACURA TL Service Repair Manual

'95 - 96 models:

NOTE: Check all hose clamps and retighten if necessary.

To

FUEL

PRESSURE

REGULATOR
BASE PACKING

Replace.

10-15
mm

(0.39-0.59 in)
Clamp in the middle.

Clamp in the middle.ProCarManuals.com

Fuel Supply System

Fuel Lines (cont'd)

'97 - 98 models:

NOTE: Check all hose clamps and retighten if necessary.

To

FUEL

PRESSURE

REGULATOR
BASE PACKING

Replace.

10- 15 mm

(0.39
-
0.59
in)
Clamp in the middle.

Clamp in the middle.ProCarManuals.com

Fuel Tube/Quick-Connec t Fitting s
Precaution s
Do no t smok e whil e workin g o n th e fue l
system . Kee p ope n flame s awa y fro m you r wor k area .
Th e fue l tube/quick-connec t fitting s assembl y connect s
th e in-tan k fue l pum p wit h th e fue l fee d pipe . Fo r remov -
in g o r installin g th e fue l pum p an d fue l tank , i t i s neces -
sar y t o disconnec t o r connec t th e quick-connec t fittings .
Pay attentio n to following :
The fue l tube/quick-connec t fitting s assembl y i s no t
heat-resistant ; b e carefu l no t t o damag e it durin g weld -
in g o r othe r heat-generatin g procedures .
Th e fue l tube/quick-connec t fitting s assembl y i s no t
acid-proof ; d o no t touc h i t wit h a sho p towe l whic h
wa s use d fo r wipin g batter y electrolyte . Replac e th e
fue l tube/quick-connec t fitting s assembl y i f i t cam e
int o contac t wit h electrolyt e o r somethin g similar .
Whe n connectin g o r disconnectin g th e fue l tube/quick -
connec t fitting s assembly , b e carefu l no t t o ben d o r
twis t i t excessively . Replac e i t i f damaged .
A disconnecte d quick-connec t fittin g ca n b e reconnected ,
bu t th e retaine r o n th e matin g pip e canno t b e reuse d onc e
i t ha s bee n remove d fro m th e pipe . Replac e th e retaine r
whe n
— Replacin g th e fue l pump .
— Replacin g th e fue l fee d pipe .
— It ha s bee n remove d fro m th e pipe .
— It i s damaged .
FUEL PIP ERETAINE RFUEL TUB E
QUICK-CONNEC TFITTINGS
Disconnectio n
Do no t smok e whil e workin g o n th e fue l
system . Kee p ope n flame s awa y fro m you r wor k area .
1 . Disconnec t th e batter y negativ e cable .
2 . Remov e th e fue l fil l cap , an d reliev e fue l pressur e in
th e tank .
3 . Reliev e fue l pressur e (se e pag e 11-124 ).
4 . Chec k th e fue l quick-connec t fitting s fo r dirt , an d
clea n if necessary .
5 . Hol d th e connecto r wit h on e han d an d pres s dow n
th e retaine r tab s wit h th e othe r hand , the n pul l th e
connecto r off .
NOTE :
Be carefu l no t t o damag e th e pip e o r othe r parts .
Do no t us e tools .
If th e connecto r doe s no t move , kee p th e retaine r
tab s presse d down , an d alternatel y pul l an d pus h
th e connecto r unti l i t come s of f easily .
D o no t remov e th e retaine r fro m th e pipe ; onc e
removed , th e retaine r mus t b e replace d wit h a
ne w one .
LOCKIN G PAW L
RETAINE R TA B
PIPE
CONNECTO R
Press down .
6. Chec k th e contac t are a o f th e pip e fo r dir t an d dam -
age.
— If th e surfac e is dirty , clea n it .
— If th e surface is rust y o r damaged , replac e th e fue l
pum p o r fue l fee d pipe .
CONTAC T ARE A
CONNECTO R
RETAINER
PIPE
ProCarManuals.com

Fuel Supply System

Fuel Tube/Quick-Connect Fittings (cont'd)

7. To prevent damage and keep out foreign matter,

cover the disconnected connector and pipe end with

plastic bags.

PLASTIC BAGS

NOTE:

The retainer cannot be reused once it has been

removed from the pipe.

Replace the retainer when

— replacing the fuel pump.

— replacing the fuel feed pipe.

— it has been removed from the pipe.

— it is damaged.
Connection

Do not smoke while working on the fuel

system. Keep open flames away from your work area.

1. Check the pipe contact area for dirt and damage,

and clean if necessary.

CONTACT AREA

PIPE

2.

Insert a new retainer into the connector if the retainer

is damaged, or after

— replacing the fuel pump.

— replacing the fuel feed pipe.

— removing the retainer from the pipe.

New RETAINER

(Insert into

the connector).

CONNECTOR
FUEL

TUBEProCarManuals.com

Before connecting a new fuel tube/quick-connect fitting

assembly, remove the old retainer from the mating pipe.

With the

tabs pulled

apart, pull

the retainer

off

New FUEL TUBE/

QUICK-CONNECT

FITTING ASSEMBLY

3. Align the quick-connect fittings with the pipe, and

align the retainer locking pawls with the connector

grooves. Then press the quick-connect fittings onto

the pipe until both retainer pawls lock with a click-

ing sound.

NOTE: If it is hard to connect, put a small amount of

new engine oil on the pipe end.

Connection with new retainer:

CONNECTOR

RETAINER

PIPE

CONNECTOR

RETAINER

PIPE
4. Make sure the connection is secure and the pawls

are firmly locked into place; check visually and by

pulling the connector.

Pull apart.

CONNECTOR

RETAINER

PIPE

Reconnect the battery negative cable, and turn the

ignition switch ON (II) the fuel pump will run for about

two seconds, and fuel pressure will rise. Repeat two

or three times, and check that there is no leakage in

the fuel supply system.

Reconnection to existing retainer:ProCarManuals.com

Fuel Supply System

System Description

The fuel supply system consists of a fuel tank, in-tank

high pressure fuel pump, PGM-FI main relay, fuel filter,

fuel pressure regulator, fuel injectors, and fuel delivery

and return lines. This system delivers pressure-regulat-

ed fuel to the fuel injectors and cuts the fuel delivery

when the engine is not running.

11-124ProCarManuals.com

Fuel Supply System

Fuel Pressure

Relieving (models with service bolt)

Before disconnecting fuel pipes or hoses, release pres-

sure from the system by loosening the 6 mm service

bolt on top of the fuel filter.

Do not smoke while working on the fuel system.

Keep open flames or sparks away from your work

area.

• Be sure to relieve fuel pressure while the ignition

switch is off.

1. Make sure you have the anti-theft code for the radio,

then write down the frequencies for the radio's pre-

set buttons.

2. Disconnect the battery negative cable from the bat-

tery negative terminal.

3.
Remove
the
fuel
fill
cap.

4. Use a box end wrench on the 6 mm service bolt at

the fuel filter while holding the special banjo bolt

with another wrench.

5. Place a rag or shop towel over the 6 mm service bolt.

6. Slowly loosen the 6 mm service bolt one complete

turn.

SERVICE

BOLT

12 N-m

(1.2 kgf-m, 8.7 Ibf-ft)

SHOP TOWEL

FUEL FILTER
NOTE:

• A fuel pressure gauge can be attached at the 6 mm

service bolt hole.

• Always replace the washer between the service bolt

and the special banjo bolt whenever the service bolt

is loosened.

• Replace all washers whenever the bolts are removed.

Relieving (models without service bolt)

Before disconnecting fuel pipes or hoses, release pres-

sure from the system by loosening the 12 mm banjo

bolt on top of the fuel filter.

• Do not smoke while working on the fuel system.

Keep open flames or sparks away from your work

area.

• Be sure to relieve fuel pressure while the ignition

switch is off.

1. Make sure you have the anti-theft code for the radio,

then write down the frequencies for the radio's pre-

set buttons.

2. Disconnect the battery negative cable from the bat-

tery negative terminal.

3.
Remove
the
fuel
fill
cap.

4. Use a box end wrench on the 12 mm banjo bolt at

the fuel filter while holding the fuel filter with anoth-

er wrench.

5. Place a rag or shop towel over the 12 mm banjo bolt.

6. Slowly loosen the 12 mm banjo bolt one complete

turn.

12 mm

BANJO BOLT

33 N-m

(3.4 kgf-m, 25 Ibf-ft)

SHOP TOWEL

FUEL FILTER

NOTE: Replace the washers whenever the 12 mm

banjo bolt is loosened or removed.

11-124ProCarManuals.com

Inspection (model s wit h servic e bolt )
1 . Reliev e fue l pressur e (se e pag e 11-124 ).
2 . Remov e th e servic e bol t o n th e fue l filte r whil e hold -
in g th e banj o bol t wit h anothe r wrench . Attac h th e
specia l tool .
FUELPRESSUR EGAUGE07406 - 004000 1
FUEL PRESSUR EREGULATO R
CLAMP
3. Star t th e engine . Measur e th e fue l pressur e wit h th e
engin e idlin g an d th e vacuu m hos e o f th e fue l pres -
sure regulato r disconnecte d fro m th e fue l pressur e
regulator an d pinched . I f th e engin e wil l no t start ,
turn th e ignitio n switc h O N (II) , wai t fo r tw o sec -
onds , tur n i t off , the n bac k o n agai n an d rea d th e
fue l pressure .
Pressur e shoul d be :
294 - 34 3 kP a (3. 0 - 3. 5 kgf/cm2, 43-5 0 psi )
4. Reconnec t vacuu m hos e to th e fue l pressur e regula -
tor.
Pressur e shoul d be :
23 0 - 27 9 kP a (2.3 5 - 2.8 5 kgf/cm2,3 3 - 4 1 psi )
I f th e fue l pressur e i s no t a s specified , firs t chec k th e fue l
pum p (se e pag e 11-130 ). I f th e fue l pum p i s OK , chec k
the following :
If th e fue l pressur e i s highe r tha n specified , inspec t for :
— Pinche d o r clogge d fue l retur n hos e o r line .
— Fault y fue l pressur e regulato r (se e pag e 11-128 ).
I f th e fue l pressur e is lowe r tha n specified , inspec t for :
— Clogge d fue l filter .
— Fault y fue l pressur e regulato r (se e pag e 11-128 ).
— Leakag e in th e fue l line . Inspectio
n (model s withou t servic e bolt )
1 . Reliev e fue l pressur e (se e pag e 11-124 ).
2 . Remov e th e 1 2 m m banj o bol t fro m th e fue l filte r
while holdin g th e fue l filte r wit h anothe r wrench .
Attach th e specia l tool .FUELPRESSUR EGAUGE07406 - 004000 1
FUEL PRESSUR EREGULATO R
CLAMP
FUEL PRESSUR E ADAPTE RBOLT, 1 2 m m(9000 8 -PD6 - 010 )
3. Star t th e engine . Measur e th e fue l pressur e wit h th e
engin e idlin g an d th e vacuu m hos e o f th e fue l pres -
sur e regulato r disconnecte d fro m th e fue l pressur e
regulato r an d pinched . I f th e engin e wil l no t start ,
turn th e ignitio n switc h O N (II) , wai t fo r tw o sec -
onds , tur n i t off , the n bac k o n agai n an d rea d th e
fue l pressure .
Pressur e shoul d be :
29 4 - 34 3 kP a (3. 0 - 3. 5 kgf/cm
2, 4 3 - 5 0 psi )
4 . Reconnec t vacuu m hos e to th e fue l pressur e regula -
tor.
Pressur e shoul d be :
23 0 - 27 9 kP a (2.3 5 - 2.8 5 kgf/cm2,3 3 - 4 1 psi )
I f th e fue l pressur e is no t a s specified , firs t chec k th e fue l
pum p (se e pag e 11-130 ). I f th e fue l pum p i s OK , chec k
the following :
If th e fue l pressur e is highe r tha n specified , inspec t for :
— Pinche d o r clogge d fue l retur n hos e o r line .
— Fault y fue l pressur e regulato r (se e pag e 11-128 ).
I f th e fue l pressur e is lowe r tha n specified , inspec t for :
— Clogged fuel filter .
— Fault y fue l pressur e regulato r (se e pag e 11-128 ).
— Leakag e in th e fue l line .
ProCarManuals.com