CHEVROLET CORVETTE 1993 4.G Manual PDF

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NOTICE
There are eight different positions:
N Neutral
1 First Gear
2 Second Gear
3 ThirdGear
4 Fourth Gear
5 Fifth Gear
6 Sixth Gear
R Reverse
1 3 5
2 4 6 R
This is your shift pattern. Here’s how to
4 operate your transmission.
1 (First Gw): Press the clutch pedal
and shift into 1. Then, slowly let up on
the clutch pedal as you press the
accelerator pedal.
You can shift into 1 when you’re goirg
less thah 40 mph (64- lun/h). X€ youJve
come to a- complete stop and it’s hard to
shift into 1, put the shift lever in
N (Neutral) and let up OD the clutch.
Press th.e clu_tch pedal back &urn. Then
shift into 1.
i

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Y 2- (Second Gear): Press the clutch
pedal as
you let up on t.he accelerator
pedal and
shift into 2. Then, slowly let
up on the clutch pedal .as you -press the
accelerator pedal.
3,4,!5 and 6 (Third, Fourth, E.i€th and
Sixth Gears): Shift ihto 3,4,5 and 6
the same way you do for 2. Slowly let
up on the clutch pedal as you press the
accelerator
pedal;
To stop
Let up an the acceleraTor pedal and
press the-brake pedal. Just before the
vehicle
stops, press the clutch pedal
:and.the brake pedal, and shift to
N (Neutral).
N (Neutral): Use this position when
you .startor idle your engine.
R (Reverse): To back up, press down
the clutch pedal-and shift into R (Reverse).
.Let up on the clutch pedal slowly while
pressing the, accelerator pedal.
I-f you shift €ram.<Overdrive into
RARevefse), the -shift lever must be first
placed
in the N (Neutral) position
centered between
2 and 5 prior to
shifting into .R (Reverse).
Your 6-speed
manual transmission has
a
feature that allows you to s-afely.shift
into-R (Reverse) while the vehicle is
rolling (at
less than 5 mph) . You will be
%clred-out” if you try to shift into
R (Reverse) while y0u.r vehicle is
moving faster than
5. rhph.
If you haveturned your ignition off and
wish to park your car iii R (Reverse),
you wlil have to move the shift leyer
quickly to the right, “crashing” through
the high load spring and then into gear.
71

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Shift Speeds
(MANUAL TRANSMISSION)
This chart-shows when to shift to the
next higher gear for best fuel economy.
If your speed drops below 20 rnph
(32 hh), .or if the engineis.not
running :smo.othly, ~ou shauld
downshift
-to the next lower gear. 'You
may have to downshift two or mare
gears to keep :the engine mrining
smoothly or far :good performance-.
Acceleration Shift Spe.eds:
1st to 2nd .................. 15 mph (24.Jan/h)
2nd to 3rd ................ 25-mph (40-Imh)
3rd to 4th ................. 40 mph (64.ld.h)
4th-to 5th ............. .... 45 rnph (72 ldh)
5th tu 6th .................. :5O'mph (80 lun/h)
.ShRt .Light
(MANUAL TRANSMISSION)
i This light will display ONE TO FOUR..
When this light comes on, you can only
shift from 1 to 4 insteadaf 1 to 2. This
kelps you to get the best possible fuel
.economy.
Thk light will come on under these
conditions-:
The engine coolant. temperature is
geeeater than 120°F (50°C),
9 You are going 12-19.rnph
(20-29 Bm/h), and
You are at 35% throttle or less.
When
this light is .on, the gear s-hift
lever will kt you shift fiam 1 to"4 only.
Q.nce you we in 4 you-. can press th,e
clutch. again and shift into.:another. gear.
-.

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Fullow the shift speeds hthis chart
when the 0NE.TO FOUR light is an.
Computer Aided .Manual
Transmission Shift Speeds:
1st to 4th .................. -15 mph (24 km/h)
4th t05th ...!. ......... 25 mph (40 ldh)"
5th to 6th ............ 40 mph (64 lm/h)**
Each -time .you: come to a stop, your
vehicle!s Engine Control Moduie
(ECM) determines when to activate the
ONE TO FOUR upshift system. Use
2 only when-you accelerate very qufcldy
€rom'i stop. You can then fdlow the
.-lull gear shift pattern.
30 rnph (48 km/h) when pcceZaa.ting to
highway speeds
**$5 mph (72 km/hj .when accelerati~g to
highmay speeds-
When-you downshift, don? slip more
than one gear. For example, you can
shift from 6 to 5 or from 6 to 4.. But
don't shift from 6 to:3.
Be careful not to drive faster than the-
sp.e:eds shown for each gar.
Maximum Speed Limits When
Douinshifting:
1st ............................ 40 mph (64 km/h)
2nd ......................... 60 nqh ('97 ldh)
3rd ........................ -80 mph. (129 lm/h)
4th ...................... 105 rnph (169: Wli)
A
If you skrp marethan one
gear when you downshift,
you could lose- cmtrol of your
vehicle-. And you could injure
yourself and others. Don't shift
from 6 to 3, 5 to 2, or 4 to .3 .......uj.I....

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Shifting Down to Lower Gears
(CONT.)
NOTICE
4
rhe six-speed transmission has springs
'hat center the shift lever near
3 and 4.
rhese springs help you know which
gear
you are in when you are shifting.
Be careful when shifting from 1 to 2 or
downshifting from 6. to 5. The springs
will
try to- pull the gear shift lever
towards 3 and 4. Make sure you move
the lever into
2 or 5. If you let the lever
move in
the direction of the pulling, you
may end up shifting from 1 to 4 or from
6 to 3.
€ngine Power Switch (LT~ ENGIwJ
The LT5 or ZR-1 engine has two sets 0%
intalce runners and fuel injectors-
primary and secondary. The pr-imary set
may
be mn indeperidently from the
secondary system, providing NORMAL
engine power, or both primary-and
secondary systems
may be used to
provide FULL engine power. This
feature allows FULL power
performance only at the driver's
discretiun.
In the NORMAL setting,
engine
and exhaust. noise are less
evident.

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1 I-
i
p" i
r"
lnsert the Engine Power Key into the
slot and turn claclnvise to FULL. An
indicat0r"light
will come on when FULL
power performance is operating. To
return to-NORMAL power, turn key
countercloclnvise. The indicator
light
should stop glowing. The key returns to
the center position when released. The
key can be removed when the engine is
in PULL or NORMAL power and only
from the center position.
The
FULL power setting provides
additional
power for highway touring
and off-road sports use as well as
reserve power for passing. Both primary
and secondary fuel intake runners and
injectors can operate when the
FULL
setting is chosen. I
When the ignition is shut off, the engine
reverts
to NORMAL power.
Your ZR-1 is capable of operating at
FULL power when the indicator light is
on and u.nder the following conditions:
The engine coolant and oil
temperatures are greater than 68°F
(200Cc) but less than 3OFF (150°C),
and
-The system voltage is greater than 10
volts, and
There is no SERVICE ENGINE
SOON light indicated on the Driver
Infomation Center. Switching
from the NORMAL to
the
FULL setting and from the FULL to
the NORMAL setting may be done at
engine speeds up to 4,000 rpm.
ZR-1 Toll-Free Number:
If you have any questions or concerns
about your
ZR-1 Special Performance
Coupe, call the following toll-free
telephone number
for ,assistance:
1-800-222-1020
(U.S. only).
75

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Of-Road Track Use
See your Warranty Booklet before using
your Corvette
for off-road track use.
NOTICE I
..
Selective. Ride Control (OPTION)
This knob, located on the center
consoIe,
has three settings: TOUR,
SPORT, and PERF (Performance).
Turn it to select the ride control of your
choice. You can select .a setting at my
time. Based your speed, the Selective
Ride Control system automatically
adjusts within each setting to provide
the best ride
and handling. Select a new
setting whenever driving conditions
change.
The
SERVICE RIDE CONTROL light
monitors
the Selective Ride Control
system. See the Index under Service
Ride Control Light €or more
information.
4
Limited-Slip Rear Axle
Your Corvette's limited-slip rear axle
can give
you additional traction on
snow, mud, ice, sand or gravel. It works
like a standard axle most of the time,
but when one of the rear whe.els has no
traction and the other does, the Iirnited-
slip feature will allow the wheel with
traction
to move the vehicle.
76

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Y216i
Parking Brake
To Set the Parking Brake:
Hold the brake pedal down. PuIl the
pdking brake lever up, then move it
back down. This sets your parking
brake-even though the lever is down.
If the ignition is on, the bxake system
warning light will come on.
Y 2132
To Release the Parking Brake:
Hold the brde pedal down. Pull the
parking brake lever up until you can
push in the release button. Hold the
release button
in 'as you move the bt&e
lever ad the way dawn.
IfYoumeonaHill:
See the Indm under Parking 012 Hills.
That section shows how to tum.your
front wheeTs.

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., ,.,.. -
:It can be, dangerous.iu.get: '
.. ..
:out- of .your vehicle'if the: shift
lever is nut fully in P (Park) with
the -parking .brake firmly set.
Your
vehicle can roll,
If you have left the engine. running,
the vehicle can move suddenly. You
.or others could be injured. To be
sure' your vehicle won't move, when
you're on fairly level ground, use
the
steps that follow. If you are
parking on
a hill, also see the Index
under Parking on Hills.
1. Hold the bralre pedal down with your
right foot and set the p-arlting
brake.
2. Move the shift lever into the P (Park)
position
by holding in the button on
the lever and pushing t-he 1ever.all the
way toward the front of the vehicle.
3. Move the ignition key to Lock.
4. Remove the key and take it with YOU.
If you can walk away from your
vehicle with the ignition key in your
hand, your vehicle
is in P (Park).
Leaving Your Vehicle With the
Engine
Running
(AUTOMATIC TRANSMISSION)
If you have-to leave your vehicle with the
engine
running, be sure your vehicle is in
P (Park) and your parking brake is
firmly set be€ore you leave it. After
you've moved the shift lever into the-
P (Park) position, hold the regular brake
pedal
down. Then, see if you can move
the shift lever away from P (.PC&)
without first pushing the button.
If you can, it means that the shift lever
wasn't
fully lockdinto P (Park).

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Parking
Your Vehicle
(MANUAL TRANSM/$SION)
Before you get out of your vehicle, put
your manual-transmission in
R (Reverse) and firmly apply the
parking brake.
If you are parking' on a. hill, see the
Index under Parking on Hills.
i
A Engine exhaust can-lull. !It
contains.the gas carbon
monoxide (CO) , which you can't,
see'or srnefl. It can cause
unconsciousness
:and death.
You might have .exhaust. coming .in ..
if:
.-Your exhaust system sounds-
*.your; vehicle gets Asty
: . . &r&g&sr. dserent.
..
underneath.
Your vehicle-was damaged .in a
collision.
Your vehicle. was d,amaged when
-driving over high points. on the
mad or over road debris.
Repairs weren't done correctly.
Your vehicle or exhaust system
had been modified 'irnprapeirly.
If you ever suspect exhaust is
corning into your .vehicle:
Drive. it only with all the wiiidows
down to 'blow out any CO; .and
Have it fixed immediately.