Engine; During Break-In; Viscosity; Energy Conserving - Dodge D150 1990 Service Manual

Rear wheel drive ram truck
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0 - 14
LUBRICATION AND MAINTENANCE
E N G I N E
INDEX
Page
Air Conditioning Compressor
21
Air Injection System
17
Battery
20
Cooling System
16
Crankcase Inlet Air Filter
18
Crankcase Ventilation System
17
Engine Air Cleaner
16
Engine Oil
14
Engine Oil and Filter Changes
15
Engine Oil Filter Selection
15
Exhaust Gas Recirculation (EGR) System . . . . . . .
19
ENGINE OIL
DURING
BREAK-IN
The crankcase o i l installed i n the engine at the fac-
t o r y is a h i g h q u a l i t y , energy conserving type l u b r i -
cant.
O i l changes
should
be
consistent
w i t h
anticipated c l i m a t i c conditions under w h i c h vehicle
operation w i l l occur. The recommended S A E viscosity
grades are shown i n Fig. 1. O n l y oils w i t h the proper
A P I q u a l i t y classification should be used w h e n add-
i n g or changing the crankcase engine o i l .
CAUTION: Nondetergent or straight mineral oils
must never be used.
Frequently a n e w engine w i l l consume some o i l
d u r i n g its first few thousand miles of operation. T h i s
should be considered as a n o r m a l p a r t o f b r e a k - i n
a n d not i n t e r p r e t e d as a n indication o f difficulty.
<
>
<
10W-30
>
<
5W-30
>
I
I
I
!
>
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 Recommended
Viscosity Grades
SELECTING
ENGINE
OIL
OIL QUALITY
For m a x i m u m engine protection under a l l d r i v i n g
conditions, use only engine oils t h a t conform to A P I
Service Catagories "SG" or "SG/CD". To assure use o f
properly formulated engine oils, i t is recommended
t h a t
M O P A R
Oils, or equivalent
be used (see
Chrysler M a t e r i a l Standard MS-6395).
Page
Exhaust System
21
Fuel System
19
Hoses and Fittings
16
Ignition Timing
. . . . . . . . . . . . . . . . . . . . . . . . . . .
20
Ignition Wires, Distributor Cap and Rotor
19
Manifold Heat Control Valve
17
Oxygen ( 0
2
) Sensor
19
Rubber and Plastic Component Inspection
20
Spark Plugs
20
Throttle Control Linkage
16
Vacuum Operated Components
19
Vacuum Operated Emission Control Components
. 20
VISCOSITY
Multi-viscosity oils protect t h e engine over a wide
range o f operating temperatures and d r i v i n g condi-
tions. Therefore these oils can be used a l l year round.
Select o i l viscosity according t o t h e lowest a i r t e m -
perature expected before the n e x t o i l change (Fig. 1).
L o w viscosity oils make engine s t a r t i n g easier i n cold
weather. Oils o f the S A E 5W-30 grade n u m b e r are
preferred w h e n m i n i m u m temperatures consistently
f a l l below -12°C (10°F).
ENERGY CONSERVING
There are m a n y engine oils c u r r e n t l y
available
t h a t could increase the fuel economy o f y o u r vehicle.
They are m a r k e t e d as E N E R G Y C O N S E R V I N G , or
E N E R G Y C O N S E R V I N G I I . Those oils identified as
E N E R G Y
C O N S E R V I N G
I I provide greater
fuel
economy benefits t h a n those i d e n t i f i e d as E N E R G Y
C O N S E R V I N G .
I n a d d i t i o n t o selecting t h e proper
A P I q u a l i t y category and viscosity grade, use of E N -
E R G Y C O N S E R V I N G type engine oils are preferred.
ENGINE OIL IDENTIFICATION SYMBOL
A symbol has been developed t o a i d t h e vehicle
owner i n the proper selection o f engine o i l . This sym-
bol is located on the o i l container and i s composed o f
three distinct areas for i d e n t i f y i n g various aspects o f
the o i l (Fig. 2).
(1) The top p o r t i o n w i l l i n d i c a t e the q u a l i t y of the
o i l , such as " S G " or "SG/CD".
(2) The center portion w i l l show the S A E viscosity
grade o f the o i l , such as S A E 5W-30 or 10W-30.
(3) T h e lower portion w i l l show o n l y E N E R G Y
C O N S E R V I N G
or E N E R G Y C O N S E R V I N G
I I , i f i t
is applicable t o t h a t o i l . E n e r g y conserving w h e n
shown, indicates, t h a t o i l , offers fuel economy bene-
fits i n gasoline engines.
ENGINE
OIL LEVEL
INDICATOR
The engine o i l level i n d i c a t o r dipstick i s located o n
the r i g h t front of the engine, left o f t h e alternator.

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