2005 DODGE RAM 1500 GAS recommended fluids

speeds will reduce fogging. Interior fogging on the
windshield can be quickly removed by selecting the
defrost mode.
Regular cleaning of the inside of the windows with a
non-filming cleaning solution (vinegar and water works
very well) will help prevent contaminates (cigarette
smoke, perfumes, etc.) from sticking to the windows.
Contaminates increase the rate of window fogging.
Summer Operation
Air conditioned vehicles must be protected with a high
quality antifreeze coolant during summer to provide
proper corrosion protection and to raise the boiling point
of the coolant for protection against overheating. A 50 %
concentration is recommended. Refer to Recommended
Fluids and Genuine Parts for the proper coolant type.
When using the air conditioner in extremely heavy traffic
in hot weather especially when towing a trailer, addi-
tional engine cooling may be required. If this situation isencountered, operate the transmission in a lower gear to
increase engine RPM, coolant flow and fan speed. When
stopped in heavy traffic, it may be necessary to shift into
NEUTRAL and depress the accelerator slightly for fast
idle operation to increase coolant flow and fan speed.
NOTE:On models equipped with Diesel engines, the
idle speed will automatically increase to 1000 rpm at
elevated coolant temperatures to improve engine cooling.
Your air conditioning system is also equipped with an
automatic recirculation system. When the system senses
a heavy load or high heat conditions, it may use partial
Recirculation A/C mode to provide additional comfort.
Winter Operation
When operating the system during the winter months,
make sure the air intake, located directly in front of the
windshield, is free of ice, slush, snow, or other obstruc-
tions.
220 UNDERSTANDING YOUR INSTRUMENT PANEL

Axle Lubricant and Trailer Towing
1500 Models
•
1500 Modelrear axles are trailer tow ready. Limited
slip rear axles on 1500 models require the use of a
limited slip additive (refer to the “Recommended
Fluids, Lubricants, and Genuine Parts” section.)
•The limited slip additive is included with the factory
fill.
•If the axle fluid is changed, 4 oz. (118 ml) of limited slip
additive must be added.
2500/3500 Models
•
The Axles on 2500/3500 Modelsare trailer tow ready
andDO NOT REQUIREany special axle lubes or
additives.
Trailer Towing Recommendations
•
All trailer hitches should be professionally installed on
your vehicle.
•Safety chains must always be used between your
vehicle and trailer.
•Donotinterconnect the hydraulic brake system or
vacuum system of your vehicle with that of the trailer.
This could cause inadequate braking and possible
personal injury. An electrically–actuated electric trailer
brake controller is recommended.
•Trailer brakes are recommended for trailers over 1000
lbs (454 kg) and are required for trailers in excess of
2,000 lbs (907 kg)
•Use an approved wiring harness connector on the
trailer. Standard equipment on all RAM pickup mod-
els provides a 4-way trailer tow connector located
298 STARTING AND OPERATING

▫Appearance Care And Protection From
Corrosion...........................385

Fuse And Relay Center...................389

Vehicle Storage........................390

Replacement Light Bulbs.................390

Bulb Replacement......................391
▫Headlight (Halogen)/Front Park And Turn
Lights.............................391
▫Tail, Stop, Turn And Backup Lights.........395
▫Center High-Mounted Stoplight With Cargo
Light..............................397▫Cab Top Clearance Lights — If Equipped....398
▫Tailgate ID Lights (Dual Rear Wheels).......400
▫Side Marker Lights (Dual Rear Wheels)......401
▫Fog Lights..........................402

Fluids And Capacities...................403

Recommended Fluids, Lubricants And Genuine
Parts................................405
▫Engine.............................405
▫Chassis............................406
MAINTAINING YOUR VEHICLE 347
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WARNING!
Fluid level should be checked on a level surface and
with the engine off to prevent injury from moving
parts and to insure accurate fluid level reading. Do
not overfill. Use only manufacturers recommended
power steering fluid.
If necessary, add fluid to restore to the proper indicated
level. With a clean cloth, wipe any spilled fluid from all
surfaces. Refer to Recommended Fluids, Lubricants, and
Genuine Parts for correct fluid type.
Front Suspension Ball Joints
4 x 2 Models
The ball joints and seals should be inspected whenever
the vehicle is serviced for other reasons.
The ball joints originally supplied with the vehicle are
permanently lubricated at the factory and do not require
service. However, if the seals on the ball joints are
damaged, the joints should be replaced. Serviceable
replacement ball joints are available.
Front suspension ball joints should be replaced only by a
qualified service technician using tools specially de-
signed for this purpose. Damage to the joints and/or
suspension components may result if improper replace-
ment procedures are used.
If seals are damaged the ball joints should be replaced to
prevent leakage or contamination of the grease.
364 MAINTAINING YOUR VEHICLE

Use only high purity water such as distilled or deionized
water when mixing the water/engine coolant solution.
The use of lower quality water will reduce the amount of
corrosion protection in the engine cooling system.
NOTE:It is the owner’s responsibility to maintain the
proper level of protection against freezing according to
the temperatures occurring in the area where the vehicle
is operated.
NOTE:Mixing coolant types will decrease the life of the
engine coolant and will require more frequent coolant
changes.
When additional coolant is needed to maintain the
proper level, add the recommended concentration of
antifreeze and water to the coolant bottle. Do not overfill.NOTE:Failure to follow the antifreeze concentration
and replacement recommendations, or failure to use
antifreeze formulated to prevent corrosion of all cooling
system metals, may result in radiator plugging, overheat-
ing, or cooling system leaks such as in core hole plugs.
WARNING!
Never add coolant to the radiator when the engine is
overheated. Do not loosen or remove pressure cap to
cool an overheated engine. The coolant is under
pressure and severe scalding could result.
Recommended Engine Coolant
Refer to Recommended Fluids, Lubricants and Genuine
Parts for correct fluid type.
370 MAINTAINING YOUR VEHICLE

The brake master cylinder has a translucent plastic
reservoir. On the outboard side of the reservoir, there is a
“MAX” dot and an “MIN” dot. The fluid level must be
kept within these two dots. Do not add fluid above the
MAX mark, because leakage may occur at the cap.
With disc brakes the fluid level can be expected to fall as
the brake linings wear. However, an unexpected drop in
fluid level may be caused by a leak and a system check
should be conducted.
Refer to Recommended Fluids, Lubricants and Genuine
Parts for the correct Fluid type.
WARNING!
Use of a brake fluid that may have a lower initial
boiling point, or is unidentified as to specification,
may result in sudden brake failure during hard
prolonged braking. You could have an accident.
WARNING!
Overfilling the brake fluid reservoir can result in
spilling brake fluid on hot engine parts and the
brake fluid catching fire.
Use only brake fluid that has been in a tightly closed
container to avoid contamination from foreign matter or
moisture.
CAUTION!
Do not allow a petroleum-base fluid to contaminate
the brake fluid. Seal damage may result.
MAINTAINING YOUR VEHICLE 373
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Brake Hoses
Inspection should be performed whenever the brake
system is serviced or at intervals specified. Inspect hy-
draulic 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 with
possible burst failure.
Clutch Hydraulic System
The clutch hydraulic system is a sealed maintenance-free
system. In the event of leakage or other malfunction, the
system must be replaced.
Clutch Linkage
If the clutch pedal linkage begins to squeak or grunt, the
clutch pedal pivot bushings should be lubricated. Refer
to Recommended Fluids, Lubricants and Genuine Parts
for the correct lubricant type.
Rear Axle And 4x4 Front Driving Axle Fluid Level
Refer to Recommended Fluids, Lubricants and Genuine
Parts for the correct Fluid type. For normal service,
periodic fluid level checks are not required. When the
vehicle is serviced for other reasons the exterior surfaces
of the axle assembly should be inspected. If gear oil
leakage is suspected inspect the fluid level.
This inspection should be made with the vehicle in a level
position. The fluid level should be even with the bottom
of the fill hole for the Manufacturer’s C205F HD Front
Axles. The fluid level should be 5/8” (16 mm) below on
9 1/4” Manufacturer’s Rear Axles.
For all 2500/3500 Model axles, the fluid level should be
1/4” ± 1/4” (6.4 mm ± 6.4 mm) below the fill hole on the
9.25” Front and 3/4”± 1/4” (19 mm ± 6.4 mm) on 10.5”
Rear axles. The 11.5” Rear Axle level should be 1/4” ±
1/4” (6.4 mm ± 6.4 mm) below the fill hole.
374 MAINTAINING YOUR VEHICLE

Drain and Refill
Vehicles operated in normal service do not have regularly
scheduled oil changes. If fluid has become contaminated
with water or to provide the correct viscosity grade, drain
and refill.
Lubricant Selection
Refer to Recommended Fluids, Lubricants and Genuine
Parts for correct fluid type.
NOTE:The presence of water in the gear lubricant will
result in corrosion and possible failure of differential
components. Operation of the vehicle in water, as may be
encountered in some off-highway types of service, will
require draining and refilling the axle to avoid damage.
Limited-Slip Differentialsin 1500 Model vehicles re-
quire that 4 oz. (118 ml) Moparlimited slip additive be
added to the gear lubricant. Refer to Recommended
Fluids, Lubricants and Genuine Parts for correct fluidtype. The Moparlimited slip additive should be added
to the gear lubricant whenever a fluid change is made.
Ram 2500/3500 Model AxlesDO NOT REQUIREany
limited slip oil additive (friction modifiers).
Transfer Case
Fluid Level Check
This fluid level can be checked by removing the filler
plug. The fluid level should be to the bottom edge of the
filler plug hole with the vehicle in a level position.
Lubricant Selection
Refer to Recommended Fluids, Lubricants and Genuine
Parts for correct fluid type.
MAINTAINING YOUR VEHICLE 375
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