Engine Speed Control; Operating Precautions - Dodge Ram 3500 Owner's Manual

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City Traffic

STARTING AND OPERATING 281

Engine Speed Control

Prevent overspeeding the engine going down hill.

When descending steep grades, use a combination of

gears and service brakes to control vehicle/engine

speed. Overspeed can cause severe engine damage.

Avoid Overheating The Engine

The temperature of the coolant (a mixture of 50%

ethylene-glycol and 50% water) must not exceed the

normal range of the temperature gauge (240°F/116°C)

with a 16 psi (110 kPa) radiator cap.

Usually the coolant temperature indicated during opera-

tion will be to the left of center in the normal range of the

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