transmission fluid CHEVROLET CORVETTE 1993 4.G Owners Manual

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F"
Hin and Mounfain Roads
Driving on steep hills or mountains is
dif€erent fram driving in flat or rolling
terrain. If you drive regularly in steep
country,
or if you're planning to visit
there, here are -some tips that can make
your trips safer and.more enjoyable.
Keep your vehicle in good shape. Check
all fluid levels and also the brakes, tires,
cooling system and transmission. These
parts can work hard on mountain roads.
Know how to go down hills. The most
important thing to how is this: Let
your engine do. some of the slowing
'down. Don't make your brakes do it
all. Shift to a lower gear when you go
down .a steep or long hill. That way,
you will slow down without excessive
use of your brake-s.
Know how to go uphill. You may
want to shift dawn to a lower gear.
The lower gems help cool your engine
and transmission, and you can clin-ib
the *f hiU better.
Stay in your own lane when driving
on two-lane roads in hills or
mountains. Don't swing wide .or cut-
across. the .center of the road. Drive at
speeds that-let-you stay 'in your own
lae. That way, you won't be
surprised by,a vehicle- coming toward
you
in the same lane.
* It takes longer to pass another vehicle-
when you're going uphill. You'll want
to leave extra room to pass. If a
vehicle is passing you and doesn't
have enough room, slow down to
make it easier for the other vehicle to
get by.

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Torque Lock
(AUTQMATIC TRANSMISSION)
If you are parking on a hill and you
don’t shift your transmissian into
P (Park) properly, the weight of the
vehicle may put
too much force on the
parking pawl in the transmission. You
may find it difficult to pull the shift
lever out of
P (Ihrlr). This is called
“torque
lock.” To prevent torqu’e lock,
always
be sure to shift into P (Park)
properly before you leave the driver’s
seat.
To find out how, see the Index
under Shifting Into P (Park).
When you are ready to drive, move the
shift lever out
of P (Park) before you
release the parking brake.
If torque lock does occur, you may need
to. have another vehicle push yours a
little uphill to take some of-the pressure
from the transmiss.ion, ‘so you can pull
the
shifi lever out of P (Park).
I98
Winter Driving
Here are some tips for winter driving:
Have your Corvette in good shape for
winter.
Be sure your engine coolant
mix is correct.
Snow tires can help in loose snow,
but they may give you less traction on
ice than regular tires. If you do not
expect to be driving
in deep snow, but
may have
to travel over ice, you may
not want to switch to
snow tires at .all.
YOU may want to put winter
emergency supplies in your vehicle.
Include
an ice scraper, a small brush or
broom, a supply of windshield washer
fluid, a rag, some winter outer clothing,
a small shovel, a flashlight, .a red cloth,
and a couple of reflective warning
triangles. And, if-you will be driving
under severe conditions,
include a small
bag of sand, a piece of old carpet or a
couple of burlap bags to help provide
traction. Be sure you properly secure
these items in your vehicle.

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LT7 hgine (CODE PI
t a Automatic Transmission Fluid
2. Hydraulic Clutch Fluid Reservoir
3. Battery
4. Brake Fluid Reservoir
5. Air Cleaner
Dipstick
(if equipped)
(if equipped)
6. Coolant Recovery
Tank
7. Power Steering Fluid Reservoir
8. Engine Oil Fill Cap
9. Engine Oil Dipstick
IO. Coolant High Fill Reservoir
11. Windshield Washer Fluid Reser aoir

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I vice &..Appearance Care
z 'A
Throttle Cable Adjusters
Your 1993 Corvette is equipped with
special throttle cable :adjusters.
If you
need-
to adjust the throttle. on your
engine; please see a qualified Chevrolet
,dealer or. refer to the 1993 Corvette-
Service Manual.
256
Automatic Transmission Fluid
When to Check and Change:
A good time to check your automatic
transmission fluid level is when the
engine oil is changed. Refer to the
Mairitenance Schedule-to determine.
when,to change.your fluid. See the
Index under Scheduled Maintenance
Seruices .
How to Check:
Because this operation can be a little
d-#icuft, you. may choose to have :this
dorie at .a Chevrolet dealership Sejrvice
If you do it yourself, be sure. to follow all
the instructions here, or. you could get a
false zeading on the dipstick.
Dt?p,ElI-tment..

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Wait at least 38 minutes .before
checking the transmission fluid level if
you have
been driving:.
When outside temperatures ae above
At high speed for qui-tte a while.
In heavy traffic-especially in hot
To get -the right reading, the fluid
should be at normal op-erating
temperature, which
is 180°F to 200°F
(82OC to 93'C).
90°F (32OC).
we-ather.
To Check T-ransmission Fluid Hot:
Get4he vehicle warmed.:up by driving
abaut 15 miles. (24 h) when outside
temperatures are ab.ove 50°F ( 10OC). If
it's colder than 5OoF (lOC), drive the
vehicle in D (third-gear) until the
engine temperature gage.moves and.
then-remains steady for ten minutes.
Thenfollow the procedures under To
Check the Eluid Hot or Cold.

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Automatic Transmission Fluid
(C.ONT.)
To Check Trafisinission Fluid Cold:.
A cold check is made after the-vehicle
has been sitting for eight hours-or miore
with. the engine offand is used only as :a
feference. Let the,engine run at idle for
five minutes if &utside temper&n%:_s are
50QF (10%) or-mare. If it's colder than
5QoF [lUaC), you may have-to idle the
engine longgr; A hat check must follou7
wheaffuid. is added dw"lqg a cold.check.
To Check the Fluid Hot or Cold
Park your vehicle- on: a- level place.
Place the ;shift lever in P (Park) with
With your foot on the brake pedal,
the .parkingbrake applied.
mave the shift lever through each gear
range, pausing for about three
seconds in each range. Then, p-asition
the-s-hift'lever in P (Park).
minutes ,or more;
Let the engine rd .at idle for three
Then, Without Shutting Off the
Engine, Follow- These Steps:
1. Pull out the dipstick and wipe it with
a
clean rag or paper towel.
2. Push it back in all the. way, wait three
seconds and then pull; h back out
again.
3. Check b.& stdes af the dipstick, and
read the
loweg. limd. The hid he1
must be in the COLD area for a cold
checkor in th-e HOT or er0s.s-
hatched area for a hat checl<.
4. If the fluid level is whe$e it should. be,
push the dipstick b:ack in all the way.

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c How to Add Fluid:
Refer to the Maintenance Schedule to
determine
what kind oftransmission
fluiil to use. See the Index under Fluids.
G Lubricants.
If the fluid level is low, add only enough
of the proper fluid to bring. the level up
to the COLD area.for a cold-check or
the-HQT
area for a-.hot ‘check. It
doesn’t take much fluid, generally legs
than a pint. Don’t overfill. We
recommend
you use only fluid IabeIed
DEXRON@-JIE, because fluids with that
label are made especially
for your
automatic transmission.. Damage caused
by fluid other than DEXXO-Nq-IIE is not
covtir,ed by your-new vehicle warranty.
After adding fluid, recheck the fluid
level as described under How to Check.
When the correct fluid level is obtained,
push
the dipstick back in all the way.
Manual Transmission Fluid
When to Check
A good time to have it checked is when
the
engine oil is changed. Howevw, tbe
fluid in your-manual transmission
doesn’t require-changing.
How to Check:
Becguse this operation can be a iittie
difficult,
you may choose to-have this
done at a Chevrolet dealership Service
Department.
If you do it y.Ourself, be sure to follow
all the instrvctiuns here, or you could
get a false reading.

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Manual Transmisskm fluid
(CONT.)
Check the fluid level only when your
engine is
off, the vehicle is parked on a
level place and the transmission is cool
enough for you to rest your fingers on
the transmission case.
Then, Follow These Steps:
1. Remove the filler plug.
2. Check that the lubricant level is up to
the bottom .df the filler plug hale.
3. If the fluid level is good, install the
plug and be sure it is fully seated. If I
the fluid level is low, add more fluid
as described in the next step.
260
How to Add Fluid:
When you need to add fluid, put in
enough to, bring the level up to -the
bottom of the filler plug hole in the
transmission case. Refer to the
Maintenance Schedule to determine
what
kind of fluid. to use. See the Index
under Fluids G Lubricants.
I
.. .. ,.*Ti
Hydraulic C/ufch
(MANUAL TRANSMISSION)
The clutch linkage in your vehicle is
self-adjusting.
When to Check and What to Use:
Refer to the Maintenance Scheduleb bo
determine how often you should check
the fluid level in your clutch master
cylinder reservoir
and what to add. See
the Index under Owner Checks G.
Sewices and Fluids ,& Lubricants.
HOW to Check and Add Fluid
The clutch master cylinder is under
the Engine Control Module (ECM) in
the left rear area of the engine
compartment.
To check the fluid, look at the area
between the
ECM and the battery.

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Capacities and Specifications
Fuel Tank.. ........................................................................\
......................... 20.0. Gal. 75.7 L
Cooling System (LT1) ........................................................................\
... 17.8 quarts 16.9 L
Cooling System (LT5) ........................................................................\
... 14.7 quarts 13.9 L
Refrigerant, Air Conditioning ..................................................=........*....See refrigerant charge label under hood.
Not all air conditioning refrigerants are the same. If the air
conditioning
system in your vehicle needs refrzgerant, be sure the
proper refrigerant is used. If you%e not SU.Y~, ask your Chsvrolet
dealer.
Crankcase; (LT1)
Without Filter Change* ........................................................................\
.4.0 quarts
With Filter Change" ........................................................................\
....... 4.5 quarts
3.8 L
4.3 L
Crankcase (LT5)
Without Filter Change" ........................................................................\
. 7.6 quarts
With Filter Change" ........................................................................\
....... 8.6 quarts
Drain md Refill* ........................................................................\
............ 10.0 pints
@erhaul*
........................................................................\
....................... 2 1.6 pints
Automatic Transmission 7.2
L
8.1 L
4.T r,
10.2 L
Manual Transmission
Overhaul ........................................................................\
........................... 4.4 pints 2.1 L
meel Nut Torque ........................................................................\
.. 100 pound-feet (140 N*m)
Wheel Nut Cap Torque ............................................................... 22 pound-inches (2.5 Nom)
* Recheck fluid level after refill as outlined in Part 6 of this mmual. Brake System--fill at master eyli?ider to '14 inch (6.4 mm) froin top using fluid meeting SAE
1703A (DOT-3) Specifications.
31 I

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fluids & Lubricants
lTEM
Antifreeze
Coo kt ...................................
GM Engine Coolant Supplement ............
(Ethylene Glyc.01 Base)
(LT1 Only)
(Grease Gun Insert)
chassis Lubricant ....................................
Delco Supreme ll@ Brake Fhid .............
DEXROW-IIE Automatic
Transmission Fluid ...............................
C-orvette Manual Transmission Fluid
GM Hydraulic Fluid ................................
Engine OiI .................................................
SAE 5 W-3 0 .............................................
APPLEATION GM PART NUMBER
Year-round antifreeze €or ...........................
Cooling System.. .........................................
coolant mixtures
General chassis lube, etc .............................
Brake System.. . .............................................
Automatic Transmission ............................
1052753
3634621
IO524 .
1052535
12545880
12345881
SIZE
1 gal. (3.7'85 'L)
6 pellets
14 oz. (39:
16 oz. (0.473 L)
16 oz. ('0.473 L)
32 oz. (.0.946 L)
Mmud , ..- T~smi~Sio~ .... +.... .........................
Chtch-Master Cyfiniier ..............................
Engine .........................................................
105293 1
1.2345347 32
oz. (0.946 L)
16 02. (0.473 L)
See the Index under Engine Oil.
317