Pontiac 1957 Owner's Manual page 37

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on the Strato-Flight Hydra-Matic. In case of emergency, it is pos-
sible to use any good grade of 20W engine oil. Replace engine oil with
specified fluid as soon as
possible.
PARKING BRAKE CABLES'--Lubricate brake cables yearly (pre-
ferably in the fall) or when the rear wheels and brake drums are off
to inspect or replace brake lining or to make a major brake adjustment.
Lubricate with Lubriplate No. 105, Delco Brake Lubricant or Bendix
Brake Lubricant.
BRAKE MASTER CYLINDER-If there is evidence of leakage in
the brake hydraulic system, the leak should be corrected and fluid
added as required; otherwise, fluid level should be checked only when
brakes are adjusted. When adding brake fluid use GM or Delco Super
11 Brake Fluid, or any
S.A.E.
70Rl grade brake fluid.
,
FRONT WHEEL BEARINGS-The front wheel bearings should be
lubricated only when it is necessary to remove the wheels and drums for
other work such as brake relining. The amount of special quality water
resistant and high melting point lubricant used at the time of manufac-
ture is entirely adequate for this period. If the wheel bearings are found
to be discolored (turning blue or straw colored) it does not mean that
they have been overheated due to lack of lubricant. This discoloration
is merely a chemical reaction of substances in the lubricant and does not
affect the serviceability of the bearing in any manner. When lubri-
cating, the bearing should be cleaned and High Melting Point Wheel
Bearing Grease applied. The importance of properly adjusting wheel
bearings after lubrication should not be
overlooked.
UNIVERSAL JOINTS-Lubricate universal joints every 25,000
miles with High Melting Point Wheel Bearing Grease.
SPEEDOMETER DRIVE CABLE-Lubricate speedometer drive
cable when dry. A dry cable is usually noticeable by a wavering
speedometer
reading.
A very dry cable will of course be
noisy.
Use a
suitable speedometer cable grease that will not become hard and stiff
when cold.
GEARSHIFT CONTROLS-The gearshift control linkage is lubri-
catedat assembly and only requires further lubrication with Lubri-
plate
No.
105 when parts become dry and sticky.
SHOCK
ABSORBERS~Front
and rear shock absorbers should be
checked for leaks and their operation tested by jouncing the car at each
lubrication. If inoperative, or leaks are found, the unit must be replaced.
GENERATOR~At
each lubrication period fill the oil cups with engine
oil. If the oil reservoir in the commutator end bearing becomes com-
[ 34]

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