Dodge RAM TRUCK 1500 1995 Service Manual page 56

I - 21 LUBRICATION AND MAINTENANCE
B R
E N G I N E M A I N T E N A N C E - G A S O L I N E
INDEX
page
Accessory Drive Belts 25
Air-Conditioner Compressor 25
Battery . . . . . . . . . . . . . . . . . . . . . . . . . 25
Break-In Period 20
Crankcase Ventilation System 23
Emission Control System . . 25
Engine Air Cleaner . . . . . . . . . . . . . . . . . . . . . . . . 23
Engine Cooling System . . . . . . . . . . . . . . . . . . . . . 22
BREAK-IN PERIOD
C A U T I O N ; W i d e o p e n throttle operation in l o w
g e a r s , before e n g i n e break-in period i s c o m p l e t e ,
c a n d a m a g e e n g i n e .
After first starting a n e w engine, allow it to idle for
15 seconds before shifting into a drive gear. Also:
• D r i v e t h e vehicle at v a r y i n g speeds less t h a n 88
k m / h (55 m p h ) for t h e first 100 k m (60 miles).
• Avoid fast acceleration a n d sudden stops.
• Do not drive a t full-throttle for extended periods of
time.
• Do not drive a t constant speeds.
• Do not idle t h e engine excessively.
A special break-in engine oil is not required. T h e
original engine oil installed is a h i g h quality, energy
conserving lubricant. S p e c i a l b r e a k - i n oils a r e not
recommended. These oils could interfere w i t h t h e
n o r m a l piston r i n g seating process.
N e w engines tend to consume more fuel a n d oil u n ­
t i l after t h e break-in period h a s ended.
ENIINE OIL
WARNING: NEW OR USED ENGINE O I L CAN BE IR­
RITATING TO THE SKIN* AVOID PROLONGED OR
REPEATED SKIN CONTACT WITH ENGINE OIL.
CONTAMINANTS IN USED ENGINE OIL, CAUSED BY
INTERNAL COMBUSTION, CAN BE HAZARDOUS TO
YOUR HEALTH. THOROUGHLY WASH EXPOSED
SKIN WITH SOAP AND WATER.
DO NOT WASH SKIN WITH GASOLINE, DIESEL
FUEL, THINNER, OR SOLVENTS, HEALTH PROB­
LEMS CAN RESULT.
DO NOT POLLUTE, DISPOSE OF USED ENGINE
OIL PROPERLY. CONTACT YOUR DEALER OR GOV­
ERNMENT AGENCY FOR LOCATION OF COLLEC­
TION CENTER IN YOUR AREA..
page
Engine Oil 20
Engine Oil Filter 21
Exhaust System—Gasoline 25
Fuel Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Fuel System 24
Ignition Cables, Distributor Cap, and Rotor . . . . . . 24
Rubber and Plastic Component Inspection . . . . . . . 25
Spark Plugs 24
ENGINE
OIL SPECIFICATION
CAUTION: Do not use non-detergent or straight
mineral oil when adding or changing crankcase lu­
bricant. Engine failure can result.
API SERVICE GRADE CERTIFIED
U s e a n engine oil t h a t is A P I Service G r a d e C e r t i ­
fied or a n oil t h a t conforms to the A P I Service G r a d e
S H or S H / C D . M O P A R provides engine oils t h a t con­
form to a l l of these service grades.
SAE VISCOSITY
A n S A E viscosity grade is used to specify t h e vis­
cosity of engine oil. S A E 30 specifies a single viscos­
ity engine oil. E n g i n e oils also h a v e multiple
viscosities. These a r e specified w i t h a d u a l S A E vis­
cosity grade w h i c h indicates t h e cold-to-hot tempera­
ture viscosity range. Select a n engine oil t h a t is best
suited to your particular temperature range a n d v a r i ­
ation ( F i g . 1).
>
10W-30
>
<
5W-30
>
<
1 I 1
>
F
- 2 0 0 10 20
32
60 80 100
C
- 2 9 - 1 8 - 1 2 - 7 0 16 27 38
ANTICIPATED TEMPERATURE RANGE
BEFORE NEXT OIL CHANGE J9000-39
Fig. 1 Temperature/Engine Oil Viscosity
ENERGY CONSERVING OIL
An Energy Conserving type oil is recommended for
gasoline engines. They are designated as either EN­
ERGY CONSERVING or ENERGY CONSERVING
II.