Pontiac 1953 Owner's Manual page 33

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The car should be lubricated at the end of the first 1,000 miles and
thereafter at 2,000 mile intervals, except when driven under the
conditions outlined
above.
CHASSIS LUBRICATION
STEERING GEAR-If there is evidence of leakage from the steering
gear, the leak should be corrected and All-Season Steering Gear
Lubricant added to bring to proper level. If unit does not leak it is
only necessary to check level once yearly (preferably in the fall)
.
It
is not necessary to change lubricant unless unit is disassembled for
repair.
Power Steering Hydraulic System-If there are any leaks in the
hydraulic system they should be corrected and Hydra-Matic Fluid
or Automatic Transmission Fluid identified by an AQ-ATF qualifi-
cation number added to bring fluid level up to mark on reservoir,
which is one inch from top of reservoir. In an emetgencya good grade
of S.A.E. lOW oil may be used; replace with specified fluid as soon
as possible.
SYNCHRO-MESH TRANSMISSION-Lubricant change in the
Synchro-Mesh transmission is not recommended, unless repair work
has been done. Check transmission for leaks at each chassis lubrication.
If there is evidence of leakage the leak should be corrected and
lubricant added if needed.
Use Extreme Pressure Gear Lubricant or Multi-Purpose Qear Lubri-
cant,
S.A.E.
80 or 90 (no special additives to these lubricants are
required or recommended).
""
REAR
AXLE-.
L ubricant change in the rear axle is not recommended,
unless repair work has been
done.
The rear axle should be checked for
leaks at each chassis lubrication. If there is evidence of
leakage-
the
leak should
be
corrected and lubricant added if
needed.
Use S.A.E. 90 Hypoid Lubricant (suitable for passenger car duty)
in the rear axle. After the unit is thoroughly broken
·
in (several
thousand miles), Multi-Purpose Gear Lubricants may be added on
the responsibility of the lubricant supplier (no special additives to
these lubricants are req~ired or recommended).
MANIFOLD HEAT CONTROL VAL
VE~Check
for freedom of
movement of manifolcl heat control valve; if sticking, lubricate bush-
ings with graphite in al~oh~1.
BATTERY - The level of the electrolyte solution in your battery
should be kept up to at least the bottom of the vent well. Check this
[301

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