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Maintenance and specifications – FORD 2003 Mustang v.3 User Manual

Page 174

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Fill your engine coolant reservoir as outlined in
Adding engine coolant in this chapter.

Severe climates

If you drive in extremely cold climates (less than
–36° C [–34° F]):
It may be necessary to increase the coolant

concentration above 50%.

NEVER increase the coolant concentration

above 60%.

Increased engine coolant concentrations

above 60% will decrease the overheat
protection characteristics of the engine
coolant and may cause engine damage.

Refer to the chart on the coolant container

to ensure the coolant concentration in your
vehicle will provide adequate freeze
protection at the temperatures in which you
drive in the winter months.

If you drive in extremely hot climates:
It is still necessary to maintain the coolant

concentration above 40%.

NEVER decrease the coolant concentration

below 40%.

Decreased engine coolant concentrations

below 40% will decrease the corrosion
protection characteristics of the engine
coolant and may cause engine damage.

Decreased engine coolant concentrations

below 40% will decrease the freeze
protection characteristics of the engine
coolant and may cause engine damage.

Refer to the chart on the coolant container

to ensure the coolant concentration in your
vehicle will provide adequate protection at
the temperatures in which you drive.

Vehicles driven year-round in non-extreme climates
should use a 50/50 mixture of engine coolant and
distilled water for optimum cooling system and
engine protection.

Maintenance and Specifications

174