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85
L U B R I C A T I O N — E n g i n e
Oil Recommendations
E N G I N E O I L R E C O M M E N D A T I O N S
T y p e of Service
S u m m e r
A l l T e m p e r a t u r e s
Above 3 2 ° F .
W i n t e r
T y p e of Service
S u m m e r
A l l T e m p e r a t u r e s
Above 3 2 ° F .
Between 3 2 °
a n d
15° Above
B e t w e e n 15° A b o v e
a n d
15° B e l o w Z e r o
C o l d e r t h a n 15° Below Z e r o
Average Driving
( N o prolonged
high speed
driving)
Prolonged High
Speed Driving
S. \ . E .
viscosity 40
or 50
S. A . E .
viscosity 20
S. A . E . viscosity 10 or
S. A . E . viscosity 20
thinned with 1 qt.
kerosine to 7 qts. oil
S. A . E . viscosity
10 thinned with
I qt.
kerosine to 7 qts. oil or S. A . E . viscosity
20 thinned with 2 qts. kerosine to 6 qts. oil
Average Driving
( N o prolonged
high speed
driving)
Prolonged High
Speed Driving
These oils are not suitable for prolonged high speed driving.
Change to oil
shown below before starting on long trip at speeds above 45 m. p. h.
C a d i l l a c A p p r o v e d " H e a v y D u t y " O i l s — S u m m e r a n d W i n t e r
These are oils having an S. A . E . viscosity of 40-50-60 which are required to meet certain
specifications in order to demonstrate their fitness for prolonged high speed driving.
N O T E :
Approved lubricants vary in their suitability for winter use.
I f an oil with a high cold vis-
cosity or pour test is used in winter and the car is not kept in a heated garage ,add from one to two
quarts of kerosine after a long drive at high speed before the car is stored for the night.
Also when
draining the crankcase, add from one to two quarts of kerosine to the fresh oil, unless starting immed-
iately on a long trip at high speeds.
IMPORTANT
The L u b r i c a t i o n C h a r t s presented o n pages 86 a n d 88 for the " B " series cars,
can be made applicable to the corresponding " C " series cars by m a k i n g the following
changes •
Cadillac 355-C a n d LaSalle 345-C
C l u t c h C o n t r o l (Controlled Free-wheeling) not used.
B r a k e Assister—Remove plug i n cylinder head a n d inject 1 ounce of S. A . E . N o . 10 oil
or light machine oil of weight similar to shock absorber oil every 6000 miles.
Shock Absorber L i n k s — N o lubrication necessary o n L a S a l l e 345-C cars.
F r o n t B r a k e L e v e r — A l e m i t e fitting p r o v i d e d — A p p l y chassis lubricant at connection
w i t h grease gun every 1000 miles.
Special Item—Clean curled hair in brake assister air cleaner by washing w i t h high test
gasoline.
F o r normal d r i v i n g i n cities a n d on hard surfaced roads clean air cleaner
once each year.
U n d e r extreme conditions, such as continuous d r i v i n g o n dusty
roads or i n localities where there is considerable dust i n the air, cleaning m a y be re-
quired two or more times a year.
Cadillac 370-C a n d 452-C
C l u t c h C o n t r o l (Controlled Free-wheeling) not used.
B r a k e Assister—For cars ( " A , " " B " and " C " series) provided w i t h ratchet type grease
cup:
F i l l grease cup w i t h light cup grease (Cadillac N o . G-2J4—General M o t o r s
N o . 4534-M) a n d t u r n down a few turns every 1000 miles.
B r a k e Assister—For cars ( " A , " " B " and " C " series) provided w i t h wick oiler:
F i l l
oiler reservoir w i t h S. A . E . N o . 20 engine o i l every 6000 miles.
F r o n t B r a k e L e v e r — A l e m i t e fitting p r o v i d e d : A p p l y chassis lubricant at connection
w i t h grease gun every 1000 miles.
August 1933
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