FLUID CHEVROLET CORVETTE 1993 4.G User Guide

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1 LT5 Engine (CODEJ)
1. Hydraulic Clutch Fluid Reservoir
2. Battery
3. Brake Fluid Reservoir
4. Power Steering Fluid Reservoir
5. Air Cleaner
6. Coolant Recovery Tank
7. Engine Oil Fill Cap
8. Engine Oil Dipstick
9. Coolant High Fill Reservoir
IO. Windshield Washer Fluid Reservoir
.I. 248

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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.

Downloaded from www.Manualslib.com manuals search engine To add fluid, the ECM unit rnust.be
moved.
Loosen the two nuts-on the ECM unit.
With the
LT1 engine, there is one nut
on the outboard side
o€ the ECM unit
-and
one nut on the inboard side. With
the
LT5 engine, both nuts are on the
inboard side
of the ECM unit.
Move the unit to either side. Do not
disconnect
any wires.
Fluid should be added if the fluid level
iS at
or below the ADD mark on the
reservoir. There are additional.
instructions on the
reservoir cap.
When returning the
ECM to its proper
pasition, make
sure the bolts are
aligned with the: slotsin
the bracket.
Then gently push
down on the unit.
When.replacing
the unit, be careful not
to overtighten the nuts.
Rear Axle
When to Check Lubricant:
Refm to the Maintenance Schedule to
determine how often to check the
lubricant. See the
Index under Periodic
Maintenance Inspections.
How to Check Lubricant:
If the-levelis below the bottom 0.f the
filler
plug hole, you'll need to add some
lubricant, Add enough lubricant to raise
the level to the bottom of the filler plug-
hole.
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How To Check Power Steering Fluid
Unscrew the cap and wipe the dipstick
with a clean-rag. Replace the cap and
completely tighten
it. Then remove the
cap again and look
at- the fluid level on
the dipstick,
When .the engine imnpartrnent is hot,
the level should be at the HOT or H
mark.
cool, the level should be atthe FULL
COLD or C mark.
When the engine compartment is
What t,o Add:
Refer to the Maintenance Schedule- to
determine what.kind
of fluid to use. 'See.
the
Index under Fluids G Lubricants.
II NOflCE
Windshield Washer Fluid
To Add:
Open t,he.cap labeled WASHER .
FLUID ONLY. Add washer fluid until
the^ bottle is full.
.

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Brake Master Cylinder
Your brake master cylinder is filled with
DOT-3 brake fluid.
There are only two reasons why the
brake fluid level
in your master cylinder
might go down. The first is that the
brake fluid goes down to an acceptable
level during normal brake lining wear.
When new
linings are put in, the fluid
level goes back up.
The other reason is that fluid is Iealring
out
of the brake system. If it is, you
should have your brake system fixed,
since
a leak means that sooner or later
your brakes won’t work well, or won’t
work at all.
So, it isn’t a good idea to “top off” your
brake fluid. Adding brake fluid won’t
correct
a leak. If you add fluid when
your linings are worn, then you’ll have
too much fluid when you get new brake
linings. You should add (or remove)
brake fluid,
as necessary, only when
work
is done on the brake hydraulic
system.

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WETen your brake fluid falls to a.low
level,
your brake warning light,
SERVICE ABS light and SERVICE
ASR light will come on. The- anti-lock
brake and .acceleration
slip regulation
systems are disabled when your brake
flu.id falls to
it low level. See thedndex
under
Brake System Warning Light;
To Add Brake Fluid:
Lift the cap and pour in fluid to the
MAX mark on the master cylinder. Do
not oveffiI1.
&%at to Add:
When you do need brake fluid, use-
)nly
DOT-3 brake fluid-such as
lelcrr Supreme 1P (GM Part No.
.052535). Use new brake fluid from a
'eded. container only.
NOTlCE
Replacing Brake System Parts
The braking system on a modern
vehicle is
complex. Its many parts have
to be
of top quality -and work well
together if the vehicle is to haye really
good braking. Vehicles we design and
test have top-quality GM brake-parts in
the&, as
your Corvette does when it is
new. When you replace parts of your
braking 'system-for example, when
your brakelinings wear down and you
have to have new ones put in-be sure
you get new genuine GM replacement
parts. If.you don't, your brakes may no
longer work properly. For example, if
someone.puts
in b.r&e linings that are
wrong for your vehicle, .the balance
between your
front and rear brakes can
change, for the worse. The braking
performance
you've come to expect can
change in many other ways if.-someone
puts
in the wrong replacement brake
parts.
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