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LUBRICATION 0-13
LUBRICATION
INDEX
Page
Engine Crankcase Oil
.
0-13
Crankcase Capacities. .
0-13
Lubrication .
, •
o-13
SAE Viscosity Oils
0-13
Types of Oils
0-14
Maintaining Oil Level
0-14
Oil and Filter Change Intervals
0-14
Oil. . .
. . . : . .
0-14
Filter
o-14
Crankcase Dilution .
0-14
Automatic Control Devices to Minimize
Crankcase Dilution
0-14
Crankcase Breather Cap
0-14
Crankcase Ventilation System
0-15
Valve Type
0-15
Fuel Filter
0-15
Air Cleaner
.
0-15
Polyurethane Type
0-15
Oil Wetted Paper Element Type
0-15
Battery Terminal Washers
0-15
Page
Distributor
0-15
Rear Axle and 3-Speed and Overdrive
4-Speed Transmission
0-15
Recommended Lubricants
0-15
Multi-Purpose Gear Lubricants
0-15
Lubricant Additions
0-15
Lubricant Changes
0-15
Powerglide Transmission
0-15
Turbo Hydra-Matic
0-16
Front Wheel Bearings
0-16
Manual Steering Gear . . . .
0-16
Power Steering
0-16
Air Conditioning
0-16
Brake Master Cylinder.
0-16
Parking Brake
0-16
Clutch Cross-Shaft
,
0-16
Chassis Lubrication
0-16
Lubrication Diagrams
. .
0-19
Body Lubrication (Chevrolet, Chevelle, Chevy n, Camaro).
0-20
Body Lubrication Points (Corvette) .
0-21
The selection of the proper lubricant and its correct
application at regular intervals does much to increase the
life and operation of all moving parts of the vehicle.
Consequently, it is important that the correct grade of
oil or grease, as noted in the following pages, be used.
ENGINE CRANKCASE OIL
Crankcase Capacity
4 Cylinder
4 qt.
6 Cylinder
4 qt.
8 Cylinder (283)
4 qt.
8 Cylinder (327)
4 qt.
8 Cylinder (350)
4 qt.
8 Cylinder (396)
4 qt.
8 Cylinder (427) Chevrolet
4 qt.
8 Cylinder (427) Corvette
5 qt.
For 4 Cyl. Add .5 qt. with filter change;
1 qt. for 6 and 8 Cyl. engines.
Lubrication
Crankcase oil should be selected to give the best per-
formance under the climatic and driving conditions in the
territory in which the vehicle is driven.
During warm or hot weather, an oil which will provide
adequate lubrication under high operating temperatures
is required.
During the colder months of the year* an oil which will
permit easy starting at the lowest atmospheric tempera-
ture likely to be encountered, should be used.
When the crankcase is drained and refilled, the crank-
case oil should be selected, not on the basis of the exist-
ing temperature at the time of the change, but on the
lowest temperature anticipated for the period during
which the oil is to be used.
Unless the crankcase oil is selected on the basis of
viscosity or fluidity of the anticipated temperature, dif-
ficulty in starting will be experienced at each sudden
drop in temperature.
SAE Viscosity Oils
SAE Viscosity Numbers indicate only the viscosity or
body of the oil, that is, whether an oil is a light or a
heavy body oil, and do not consider or include other
properties or quality factors.
The lower SAE Viscosity Numbers, such as SAE 5W
and SAE 10W which represent the light body oils, are
recommended for use during cold weather to provide
easy starting and instant lubrication. The higher SAE
Viscosity Numbers such as SAE 20 and SAE 20W, which
represents heavier body oils, are recommended for use
during warm or hot weather to provide improved oil
economy and adequate lubrication under high operating
temperatures.
Oils are available which are designed to combine the
easy starting characteristics of the lower SAE Viscosity
Number with the warm weather operating characteristics
of the higher SAE Viscosity Number. These are termed
"multi-viscosity oils," SAE 5-10W, SAE 5W-20, SAE
10W-20W, and SAE 10W-30.
The following chart will serve as a guide for the
selection of the correct SAE Viscosity Number for use
under different atmospheric temperature ranges, and
suggests the appropriate SAE Viscosity Numbers when
multi-viscosity oils are used.
Lowest Anticipated
Temperature
During Time
Oil Will Be
in Crankcase
32°F.
0°F.
Below 0°F.
Recommended
SAE Viscosity
Oils
SAE 20 or 20W
SAE 10W
SAE 5W
Recommended
SAE
Multi-
Viscosity
Oils
SAE 10W-30 .
SAE 10W-30
SAE 5W-20
SAE 30 or 10W-30 is recommended when most of the
driving is at high speeds and/or at temperatures above
90 °F.
CHEVROLET CHASSIS SERVICE MANUAL
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