CHRYSLER SERVICE MANUAL
INTRODUCTION—3
CORRESPONDENCE
We appreciate correspondence from our dealers on all product information.
To assure prompt and accurate processing of correspondence, the factory
must have detailed information to be routed to the proper authorities.
Therefore, to expedite the handling of correspondence at the factory, it is
suggested that the following rules be observed:
• Begin all letters relative to service with the Car Owner's Full Name,
the Vehicle Number, the Date of Delivery, the Speedometer Reading
and the Body Number, if the finish of the car is involved. All this
information is very important in identifying the particular car.
• Describe the problem briefly, and accurately, supplying all needed
details.
• Do not include problems on more than one car in the same letter (un-
less they are identical).
PROPER CARE OF NEW ENGINES
The Chrysler passenger car engine is designed and manufactured to high
quality standards. Like other fine mechanisms, the Chrysler engine, re-
quires proper "breaking-in", servicing and maintenance, in order to assure
the car owner long-lasting, satisfactory operation.
To assure proper lubrication of the moving parts of the engine, a new
car should be driven at moderate speeds, until the engine has become
thoroughly warmed. In order for the driver to become "acquainted" with
the controls and action of the car, a new car should be driven at moderate
speeds during the first few hundred miles. Urge the owner to avoid driving
his vehicle at sustained high speeds during the early life of the car.
During the first 1,000 miles of operation, the original factory oil should
be retained in the crankcase. If it becomes necessary to add oil during
the break-in period, use the proper viscosity oil according to the atmos-
pheric temperatures as follow:
If the temperature is not lower than 32° F. use SAE 30, downward
to 10° F., above zero use SAE 20-W, and as low as 10° F., below zero
use 10-W, and lower than 10° F., below zero use SAE 5-W.
STARTING A COLD ENGINE
When starting a cold engine, (whether new or not), exercise care during
the warm-up period not to accelerate the engine unnecessarily. Drive the
car at moderate speeds, until the engine reaches normal operating tem-
peratures, as this will assure proper lubrication of the engine parts.
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