check engine DODGE CARAVAN 2008 5.G Owner's Manual

COOLING SYSTEM
WARNING!
²When working near the radiator cooling fan, dis-
connect the fan motor lead or turn the ignition
switch to the OFF position. The fan is temperature
controlled and can start at anytime the ignition
switch is in the ON position.
²You or others can be badly burned by hot coolant
or steam from your radiator. If you see or hear
steam coming from under the hood, don't open the
hood until the radiator has had time to cool. Never
try to open a cooling system pressure cap when the
radiator is hot.
Coolant Checks
Check the engine coolant (antifreeze) protection every 12
months (before the onset of freezing weather, where
applicable). If coolant is dirty or rusty in appearance, the
system should be drained, flushed and refilled with fresh
coolant. Check the front of the A/C condenser for any
accumulation of bugs, leaves, etc. If dirty, clean by gently
spraying water from a garden hose vertically down the
face of the condenser.
Check the coolant recovery bottle tubing for brittle rub-
ber, cracking, tears, cuts and tightness of the connection
at the bottle and radiator. Inspect the entire system for
leaks.
With the engine at normal operating temperature (but
not running), check the cooling system pressure cap for
proper vacuum sealing by draining a small amount of
coolant from the radiator drain cock. If the cap is sealing
properly, the engine coolant (antifreeze) will begin to
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WARNING!
²The warning words ªDO NOT OPEN HOTº on
the cooling system pressure cap are a safety pre-
caution. Never add coolant when the engine is
overheated. Do not loosen or remove the cap to
cool an overheated engine. Heat causes pressure to
build up in the cooling system. To prevent scald-
ing or injury, do not remove the pressure cap while
the system is hot or under pressure.
²Do not use a pressure cap other than the one
specified for your vehicle. Personal injury or en-
gine damage may result.
Disposal of Used Coolant
Used ethylene glycol-based engine coolant is a regulated
substance requiring proper disposal. Check with your
local authorities to determine the disposal rules for yourcommunity. To prevent ingestion by animals or children
do not store ethylene glycol-based engine coolant in open
containers or allow it to remain in puddles on the
ground. If ingested by a child, contact a physician
immediately. Clean up any ground spills immediately.
Coolant Level
The coolant bottle provides a quick visual method for
determining that the coolant level is adequate. With the
engine cold, the level of the coolant in the coolant
recovery bottle should be between the ranges indicated
on the bottle.
The radiator normally remains completely full, so there is
no need to remove the radiator cap unless checking for
coolant freeze point or replacing coolant. Advise your
service attendant of this. As long as the engine operating
temperature is satisfactory, the coolant bottle need only
be checked once a month.
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When additional coolant is needed to maintain the
proper level, it should be added to the coolant bottle. Do
not overfill.
Points To Remember
NOTE:When the vehicle is stopped after a few miles (a
few kilometers) of operation, you may observe vapor
coming from the front of the engine compartment. This is
normally a result of moisture from rain, snow, or high
humidity accumulating on the radiator and being vapor-
ized when the thermostat opens, allowing hot coolant to
enter the radiator.
If an examination of your engine compartment shows no
evidence of radiator or hose leaks, the vehicle may be
safely driven. The vapor will soon dissipate.
²Do not overfill the coolant recovery bottle.
²Check coolant freeze point in the radiator and in the
coolant recovery bottle. If antifreeze needs to be
added, contents of coolant recovery bottle must also be
protected against freezing.
²If frequent coolant additions are required, or if the
level in the coolant recovery bottle does not drop when
the engine cools, the cooling system should be pres-
sure tested for leaks.
²Maintain coolant concentration at 50% HOAT engine
coolant (minimum) and distilled water for proper
corrosion protection of your engine which contains
aluminum components.
²Make sure that the radiator and coolant recovery
bottle overflow hoses are not kinked or obstructed.
²Keep the front of the radiator clean. If your vehicle is
equipped with air conditioning, keep the front of the
condenser clean, also.
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NOTE:Inspection of brake hoses should be performed
whenever the brake system is serviced and every engine
oil change. Inspect hydraulic brake hoses for surface
cracking, scuffing, or worn spots. If there is any evidence
of cracking, scuffing, or worn spots, the hose should be
replaced immediately! Eventual deterioration of the hose
can take place resulting in a possibility of a burst failure.
WARNING!
Worn brake hoses can burst and cause brake failure.
You could have an accident. If you see any signs of
cracking, scuffing, or worn spots, have the brake
hoses replaced immediately.
Master Cylinder Ð Brake Fluid Level Check
The fluid level in the master cylinder should be checked
when performing underhood services, or immediately if
the brake system warning light indicates system failure.
Clean the top of the master cylinder area before removing
the cap. Add fluid to bring the level up to the top of the
ªFULLº mark on the side of the master cylinder reservoir.
Overfilling of fluid is not recommended because it may
cause leaking in the system.
Add enough fluid to bring the level up to the require-
ments described on the brake fluid reservoir. With disc
brakes, fluid level can be expected to fall as the brake
pads wear. However, low fluid level may be caused by a
leak and a checkup may be needed.
Use only manufacturer's recommended brake fluid, refer
to Fluids, Lubricants and Genuine Parts for correct fluid
type.
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WARNING!
²Overfilling the brake fluid reservoir can result in
spilling brake fluid on hot engine parts and the
brake fluid catching fire.
²Use of a brake fluid that has a lower initial boiling
point than the recommended MOPARtDOT 3
product or a brake fluid that is unidentified as to
FMVSS specification may result in sudden brake
failure during hard prolonged braking. You could
have an accident.
Use only brake fluid that has been in a tightly closed
container to avoid contamination from foreign matter or
moisture.
CAUTION!
Do not allow petroleum base fluid to contaminate the
brake fluid Ð all brake seal components could be
damaged causing partial or complete brake failure.
AUTOMATIC TRANSAXLE
The automatic transaxle and differential assembly are
contained within a single housing.
The fluid level in the automatic transaxle should be
checked whenever the vehicle is serviced. Operation with
an improper fluid level will greatly reduce the life of the
transaxle and the fluid.
All Four±Speed automatic transaxles are equipped with a
conventional filler tube and dipstick. If fluid is added, it
should be added through the filler tube.
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All six speed transaxles are equipped with a capped
dipstick tube, it is sealed and should not be tampered
with. Your authorized dealer has the necessary tools to
ensure that the fluid level is set properly.
Selection of Lubricant
It is important that the proper lubricant is used in the
transaxle to assure optimum transaxle performance. Use
only manufacturer 's recommended transaxle fluid; refer
to Fluids, Lubricants and Genuine Parts for correct fluid
type. It is important that the transaxle fluid be main-
tained at the prescribed level using the recommended
fluid. No chemical flushes should be used in any trans-
axle; only the approved lubricant may be used.
CAUTION!
Using a transaxle fluid other than the manufacturer's
recommended fluid may cause deterioration in trans-
axle shift quality and/or torque converter shudder.
Using a transaxle fluid other than the manufacturer's
recommended fluid will result in more frequent
fluid and filter changes. Refer to Fluids, Lubricants
and Genuine Parts for correct fluid type.
Fluid Level Check Ð 3.8L and 4.0L Engines with
Six-Speed Automatic Transaxle Ð If Equipped
The Six-Speed automatic transaxle is a sealed unit and
has no dipstick. See your authorized dealer to have the
transaxle fluid checked or serviced.
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Fluid Level Check Ð 3.3L Engine with Four-Speed
Automatic Transaxle Ð If Equipped
The dipstick is located just behind the radiator, lower
right side.
To properly check the automatic transaxle fluid level, the
following procedure must be used:
1. The vehicle must be on level ground.
2. The engine should be running at curb idle speed for a
minimum of 60 seconds.
3. Fully apply parking brake.4. Place the gear selector lever momentarily in each gear
position ending with the lever in PARK. Wipe the area
around the dipstick clean to eliminate the possibility of
dirt entering the transaxle.
5. Remove the dipstick and determine if the fluid is hot
or warm. Hot fluid is approximately 180ÉF (82ÉC), which
is the normal operating temperature after the vehicle has
been driven at least 15 miles (24 km). The fluid cannot be
comfortably held between the finger tips. Cold is when
the fluid is below 80ÉF (27ÉC).
6. Wipe the dipstick clean and reinsert until seated.
Remove dipstick and note reading.
a. If the fluid is hot, the reading should be in the
crosshatched area marked ªHOTº (between the upper
two holes in the dipstick).
b. If the fluid is cold, the fluid level should be between
the lower two holes in the area marked ªCOLDº.
4 Speed ATX Diptstick
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If the fluid level indicates low, add sufficient fluid to
bring to the proper level.
CAUTION!
Do not overfill. Dirt and water in the transaxle can
cause serious damage. To prevent dirt and water from
entering the transaxle after checking or replenishing
fluid, make certain that the dipstick cap is reseated
properly.
Fluid and Filter Changes
Refer to the ªMaintenance Scheduleº in Section 8 of this
manual for the recommended transaxle fluid and filter
change intervals.
If the transaxle is disassembled for any reason, the fluid
and filter should be changed.
Special Additives
Automatic Transmission Fluid (ATF) is an engineered
product and its performance may be impaired by supple-
mental additives. Therefore, do not add any fluid addi-
tives to the transaxle. The only exception to this policy is
the use of special dyes to aid in detecting fluid leaks. In
addition, avoid using transaxle sealers as they may
adversely affect seals.
FRONT AND REAR WHEEL BEARINGS
Front and rear wheel bearings are permanently sealed.
No regular maintenance is required for these compo-
nents.
APPEARANCE CARE AND PROTECTION FROM
CORROSION
Protection of Body and Paint from Corrosion
Vehicle body care requirements vary according to geo-
graphic locations and usage. Chemicals that make roads
passable in snow and ice, and those that are sprayed on
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NOTE:
²The oil change indicator message will not monitor the
time since the last oil change. Change your vehicle's
oil if it has been six months since your last oil change
even if the oil change indicator message is NOT
illuminated.
²Change your engine oil more often if you drive your
vehicle off-road for an extended period of time.
²Under no circumstances should oil change intervals
exceed 6,000 mi (10 000 km) or six months, whichever
comes first.
Your authorized dealer will reset the oil change indicator
message after completing the scheduled oil change. If this
scheduled oil change is performed by someone other
than your dealer, the message can be reset by referring to
the steps described under ªOil Change Requiredº in ªUse
Factory Settingsº of the EVIC section in this manual orunder ªOdometer/Trip Odometerº in the ªInstrument
Cluster Descriptions section of this manual.
At Each Stop For Fuel
²Check the engine oil level about five minutes after a
fully warmed engine is shut off. Checking the oil level
while the vehicle is on level ground will improve the
accuracy of the oil level reading. Add oil only when
the level is at or below the ADD, SAFE or MIN mark.
²Check the windshield washer solvent and add if
required.
Once A Month
²Check tire pressure and look for unusual wear or
damage.
²Inspect the battery and clean and tighten the terminals
as required.
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²Check the fluid levels of coolant reservoir, brake
master cylinder, power steering and transmission and
add as needed.
²Check all lights and other electrical items for correct
operation.At Each Oil Change
²Change the engine oil filter.
²Inspect the brake hoses and lines.
CAUTION!
Failure to perform the required maintenance items
may result in damage to the vehicle.
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