2004 DODGE VIPER engine

WARNING!
If both ABS and/or Brake Warning lamps become
illuminated, please seek service immediately! Your
Viper will have diminished braking capability and
control if ABS and/or service brake systems are not
working properly. Have your brake system serviced
immediately.
Skip Shift Indicator
This indicator is located in the Tachometer. There
are two LED lights. The amber LED light will come
on when you are being prevented from shifting from First
to Second or Third gear. The tachometer's shift arrow also
houses a red LED light that activates when the tachom-
eter gauge pointer goes above 5600 RPM and it shuts off
when the tachometer pointer falls below 5500 RPM. The
indicator serves as a visual aid to shift before reaching the
red line.
Malfunction Indicator Light
This light is part of an onboard diagnostic
system called OBD II which provides in-field
emissions inspection tests required in some
states. If certain self-diagnostic monitors are
not complete, the light starts flashing 14 seconds after the
key is switched on and will continue to flash for approxi-
mately 11 seconds. If the OBD II monitors have com-
pleted, the malfunction indicator lamp will not flash as
described above.
The light will illuminate when the key is turned to the
ON position before engine start. The light will remain on
steady until the engine has started. If the bulb does not
come on when turning the key from OFF to ON have the
condition checked promptly. The light will turn off after
the engine has started, unless a malfunction is present.
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Trunk Ajar Light
This light indicates that the trunk is not latched.
Engine Coolant Temperature Light
A red LED light on the Coolant Temperature
gauge will illuminate to warn of an overheated
engine coolant condition.
Low Oil Pressure Light
A red LED light on the Oil Pressure gauge will
illuminate to indicate low engine oil pressure. The
light should come on briefly as a bulb check when the
engine is first started. If the light stays on or comes on
while driving, stop the vehicle and shut off the engine.
DO NOT operate the vehicle until the cause is corrected.
NOTE:This light does not indicate how much oil is in
the engine. The engine oil level must be checked under
the hood.
Charge System Light
A red LED light on the Voltage gauge will illumi-
nate when there is a charging system malfunction
or a possible accessory drive belt failure.
CAUTION!
The accessory belt also drives the water pump.
Operating the vehicle with a failed belt can cause
engine overheating and possible severe engine dam-
age.
Fog Light ON Indicator
This light indicates that the fog lights are on.
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Gauges
Tachometer
This gauge shows engine speed in revolutions-
per-minute (RPM) times 1,000. Avoid excessive
engine speeds in any part of the red warning
zone, particularly when driving downhill or in
lower gears.
Coolant Temperature Gauge
This gauge shows the engine coolant tempera-
ture. The gauge pointer will likely show higher
temperatures when driving in hot weather, up
mountain grades, or in heavy stop and go
traffic. If the red LED light turns on, stop the vehicle and
turn off the engine until the cause is corrected.
Oil Temperature Gauge
This gauge shows the oil temperature. The
gauge pointer will likely show higher tempera-
tures when driving in hot weather, up moun-
tain grades, or in heavy stop and go traffic. If
the red LED light turns on, stop the vehicle and turn off
the engine until the cause is corrected.
Oil Pressure Gauge
This gauge shows engine oil pressure when the
engine is running. The pressure will vary with
engine speed, oil viscosity, and engine tem-
perature. Oil pressures will be higher as the
engine is warming up. The normal operating pressure is
between 20 and 80 psi (pounds per square inch). If the
pointer remains in the red range, turn off the engine until
the cause is corrected.
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This gauge does not indicate the amount of oil in the
engine. The engine oil level must be checked under the
hood. Check the level often during severe usage.
Fuel Gauge
This gauge shows the amount of fuel in the gas
tank. The reaction time of the gauge has been
slowed to avoid needle fluctuation during pe-
riods of high G force cornering.
Voltage Gauge
This gauge shows the electrical system voltage.
The normal operating voltage is from 12 to 14
volts with the engine running. If the pointer
remains at either the high or low ends of the
scale, the electrical system should be serviced.
ELECTRONIC DIGITAL CLOCK
The clock and radio each use the display panel built into
the radio. A digital readout shows the time in hours and
minutes whenever the ignition switch is in the ON or
ACC position.
When the ignition switch is in the OFF position, or when
the radio frequency is being displayed, time keeping is
accurately maintained.
Press and release the Time button to display the time.
Press and release the button a second time to turn off the
time display.
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4

shows that the Air Conditioning compressor is on. Con-
ditioned air is now directed through the outlets selected.
Pushing the button a second time turns the compressor
OFF.
Slight changes in engine speed or power may be noticed
when the compressor is on. This is a normal occurrence
since the compressor will cycle on and off to maintain
comfort and increase fuel economy.
NOTE:If your air conditioning performance seems
lower than expected, check the front of the A/C con-
denser for an accumulation of dirt or insects.
Rear Window Defroster
Press the button once to turn on the Rear Window
Defroster and a second time to turn it off. A light
above the button shows that the Rear Defroster is On.NOTE:The defroster turns off automatically after 15
minutes of operation. Each later activation will allow 71¤2
minutes of operation.
CAUTION!
To avoid damaging the electrical conductors, do not
use scrapers, sharp instruments, or abrasive window
cleaners on the interior surface of the rear window.
Labels can be peeled off by soaking with warm
water.
UNDERSTANDING YOUR INSTRUMENT PANEL 93
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Operating Tips
When operating the system during the winter months,
make sure the air intake, at the right side of the hood, is
free of ice, slush, snow or other obstructions such as
leaves. Leaves collected in the air-intake plenum may
reduce air flow and plug the plenum water drains.
The blower air will heat faster in cold weather if you use
only the low blower speeds for the first ten minutes of
vehicle operation.
During engine warm-up in cold weather, use the Defrost
mode to direct any cold air away from the occupants.
94 UNDERSTANDING YOUR INSTRUMENT PANEL

STARTING AND OPERATING
CONTENTS
mStarting Procedures......................97
NIf Engine Fails To Start..................98
NAfter Starting........................100
mTransmission Shifting....................100
NRecommended Shift Speeds..............101
NSkip Shift Light.......................101
mParking Brake.........................102
mBrake System..........................104
NBrake Pad Break-In....................107mPower Steering........................107
mTire Safety Information...................108
NTire Markings........................108
NTire Identification Number (TIN)..........111
NTire Loading And Tire Pressure...........112
mTiresÐGeneral Information................116
NTire Pressure.........................116
NTire Inflation Pressures.................117
NRadial-Ply Tires......................120
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STARTING PROCEDURES
CAUTION!
Long periods of engine idling, especially at high
engine speeds, can cause excessive exhaust tempera-
tures which can damage your vehicle. Do not leave
your vehicle unattended with the engine running.
WARNING!
Do not leave animals or children inside parked
vehicles in hot weather; interior heat build up may
cause serious injury or death.
Fully apply the parking brake, press the clutch pedal to
the floor, and place the gear selector in NEUTRAL before
starting the engine.NOTE:The engine will not start unless the clutch pedal
is pressed to the floor.
Normal Startingof either a cold or a warm engine does
not require pumping or depressing the accelerator pedal.
To start the vehicle, turn the key to the ON position and
press the red ENGINE START button located on the
instrument panel and release when the engine starts. If
STARTING AND OPERATING 97
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