1995 ACURA TL engine

Piston Pin sPisto n Ring s
Installatio n
1. Us e a hydrauli c pres s fo r installation .
• Whe n pressin g th e pi n i n o r out , b e sur e t o posi -
tio n th e recesse d fla t o n th e pisto n agains t th e lug s
o n th e bas e attachment .
The arro w mus t fac e th etimin g bel t sid e o f th eengin e an d th e connectin grod oi l hole must fac e th eleft sid e o f th e engine .
End Ga p
PISTO N PI N DRIVE R HEA D07973-PE0032 0
Embossed mar kfacin g up .
Adjus t th e lengt h o fpisto n pi n drive r an d shaf t t o51.5m m (2.0 3 in )
PISTO N PI N DRIVE R SHAF T07973-PE0031 0
PISTON PI N
PILO T COLLA R07GAF-PH7010 0
1PISTON PI N BAS E INSER T07GAF-PH6030 0
PISTON BAS E HEA D07HAF-PL2010 2
1. Usin g a piston , pus h a ne w rin g int o th e cylinde r
bor e 15-2 0 m m (0. 6 - 0. 8 in ) fro m th e bottom .
2 . Measur e th e pisto n rin g end-ga p wit h a feele r gauge :
• I f th e ga p i s to o small , chec k t o se e i f yo u hav e
th e prope r ring s fo r you r engine .
• I f th e ga p i s to o large , rechec k th e cylinde r bor e
diamete r agains t th e wea r limit s o n pag e 7-12 .
I f th e bor e i s ove r th e servic e limit , th e cylinde r
bloc k mus t b e rebored .
Pisto n Rin g End-Gap :
Top Rin g
Standar d (New) : 0.2 0 - 0.3 0 m m
(0.008-0.01 2 in )
Servic e Limit : 0.5 0 m m (0.02 0 in )
Secon d Rin g
Standar d (New) : 0.3 5 - 0.5 0 m m
(0.014-0.02 0 in )
Servic e Limit : 0.6 5 m m (0.02 6 in )
Oil Rin g
Standar d (New) : 0.2 0 - 0.7 0 m m
(0.00 8 - 0.02 8 in )
Servic e Limit : 0.8 0 m m (0.03 1 in )
PISTO N RIN G15 — 2 0 m m(0.6-0. 8 in)
ProCarManuals.com

Pistons

Installation

Before installing the piston, apply a coat of

engine oil to the ring grooves and cylinder

bores.

1. If the crankshaft is already installed:

Remove the connecting rod caps and slip short

sections of rubber hose over the threaded ends

of the connecting rod bolts.

Install the ring compressor, check that the bear-

ing is securely in place, then position the piston

in the cylinder and tap it in using the wooden

handle of a hammer.

Stop tapping after the ring compressor pops

free, and check the connecting rod-to-crank jour-

nal alignment before pushing piston into place.

Install the rod caps with bearings, and torque the

nuts to 32 N-m (3.3 kgf-m, 24 Ibf-ft)

2. If the crankshaft is not installed:

Remove the rod caps and bearings, install the

ring compressor, then position the piston in the

cylinder and tap it in using the wooden handle of

a hammer.

Position all pistons at top dead center.

The arrow must face

the timing belt side

of the engine and the

connecting rod oil hole

must face the intake

manifold.

CONNECTING ROD

OIL HOLE

RUBBER HOSES

NOTE: Maintain downward force on the ring com-

pressor to prevent rings from expanding before

entering the cylinder bore.

Use the wooden handle

of a hammer to push, or

tap the piston into the

cylinder bore.
RING

COMPRESSOR

(Commercially

available)ProCarManuals.com

Crankshaft
Installation
Before installin g th e crankshaft , appl y a coa t
o f engin e oi l t o th e mai n bearing s an d ro d
bearings .
1. Inser t bearin g halve s i n th e cylinde r bloc k an d con -
nectin g rods .
2 . Instal l th e thrus t washer s i n th e No . 4 journal . Oi l
th e thrus t washe r surfaces .
3 . Lowe r th e crankshaf t int o th e cylinde r block , seatin g
th e ro d journal s int o connectin g rod s No . 1 , No . 2
an d No . 5 . Instal l th e ro d cap s an d nut s finger-tight .
4 . Rotat e th e crankshaf t clockwise , sea t journal s int o
connectin g rod s No . 3 an d No . 4 , an d instal l th e ro d
cap s an d nut s finge r tight .
NOTE : Instal l cap s s o th e bearin g reces s i s o n th e
sam e sid e a s th e reces s in th e rod .
5 . Chec k ro d bearin g clearanc e wit h plastigag e (se e
pag e 7-8 ), the n torqu e th e capnuts .
3 2 N- m (3. 3 kgf-m , 2 4 Ibf-ft )
NOTE :
• Referenc e number s o n connectin g ro d ar e fo r
big-en d bor e toleranc e an d d o no t indicat e th e
positio n o f pisto n i n th e engine .
• Coa t th e bol t thread s wit h engin e oil .
ProCarManuals.com

Engine Oil

Inspection

1. Check engine oil level with the engine off and the car

parked on level ground.

2. Make certain that the oil level indicated on the dip-

stick is between the upper and lower marks.

3. If the level has dropped close to the lower mark, add

oil until it reaches the upper mark.

CAUTION: Insert the dipstick carefully to avoid

bending it.ProCarManuals.com

NOTE: Unde r norma l conditions , th e oi l filte r shoul d b e
replace d a t ever y othe r oi l change .
Unde r sever e conditions , th e oi l filte r shoul d b e replace d
a t eac h oi l change .
Replacemen t
Be carefu l whe n loosenin g th e drai n bol t
whil e th e engin e i s hot . Burn s ca n resul t becaus e th e oi l
temperatur e is ver y hot .
1 . War m u p th e engine .
2 . Drai n th e engin e oil .
3 . Reinstal l th e drai n bol t wit h a ne w washer , an d refil l
with th e recommende d oil .
Engin e Oi l
ProCarManuals.com

The numbers in the middle of the API Service label tell

you the oil's SAE viscosity or weight. Select the oil for

your car according to this chart:

An oil with a viscosity of 5W - 30 is preferred for

improved fuel economy and year-round protection in the

car. You may use a 10W - 30 oil if the climate in your area

is limited to the temperature range shown on the chart.

4. Fill the engine with oil up to the specified level, run

the engine for more than three minutes, then check

for oil leakage.ProCarManuals.com

Oil Filter

Replacement

Be careful when loosening the oil filter

while the engine is hot. Burns can result because the oil

temperature is very high.

1. Remove the oil filter with the special oil filter wrench.

2. Inspect the threads and rubber seal on the new fil-

ter. Wipe off the seat on the engine block, then

apply a light coat of oil to the filter rubber seal.

NOTE: Use only filters with a built-in bypass system.ProCarManuals.com

Oil Pressur e
Testing
If th e oi l pressur e warnin g ligh t stay s o n wit h th e engin e
running , chec k th e engine oil level . I f th e oi l leve l i s cor -
rect :
1 . Connec t a tachometer .
2 . Remov e th e engin e oi l pressur e switch , an d instal l a n
oi l pressur e gauge .
3 . Star t th e engine . Shu t i t of f immediatel y i f th e gaug e
register s n o oi l pressure . Repai r th e proble m befor e
continuing .
4. Allo w th e engin e to reac h operatin g temperatur e (fa n
come s o n a t leas t twice) . Th e pressur e shoul d be :
Engin e Oi l Temperature : 176° F (80°C )
Engin e Oi l Pressure :
A t Idle : 6 9 kP a (0. 7 kgf/cm
2,1 0 psi )
minimu m
A t 3,00 0 rpm : 34 0 kP a (3. 5 kgf/cm
2, 5 0 psi )
minimu m
• I f oi l pressur e i s withi n specifications , replac e th e
oi l pressur e switc h an d recheck .
• I f oi l pressur e is NO T withi n specifications , inspec t
th e oi l pum p (se e pag e 8-14 ).
ADAPTE R(1/8"-28, BSPT )(Commerciall y available )
OIL PRESSUR E GAUG E(Commerciall y available )
ENGINE OI L PRESSUR E SWITC HMOUNTIN G HOL E
ProCarManuals.com