Operating Precautions
Avoid Overheating The Engine
The temperature of the engine coolant (antifreeze) (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 engine coolant (antifreeze) temperature indi-
cated during operation will be to the left of center in the
normal range of the gauge.
Avoid Low Coolant Temperature Operation
Continual operation at low engine coolant (antifreeze)
temperature below the normal range on the gauge 140°F
(60°C) can be harmful to the engine. Low engine coolant
(antifreeze) temperature can cause incomplete combus-
tion which allows carbon and varnish to form on piston
rings and injector nozzles. Also, the unburned fuel can
enter the crankcase, diluting the lubricating oil and
causing rapid wear to the engine.
Cooling System Tips — Automatic Transmission
To reduce potential for engine and transmission over-
heating in high ambient temperature conditions, take the
following actions:
•
City Driving —
When stopped, shift the transmission into NEUTRAL
and increase engine idle speed.
•
Highway Driving —
Reduce your speed.
•
Up Steep Hills —
Select a lower transmission gear.
•
Air Conditioning —
Turn it off temporarily.
4
STARTING AND OPERATING
227
Summary of Contents for 2015 RAM
Page 1: ...O W N E R S M A N U A L 2 0 1 5 R A M T R U C K D I E S E L S U P P L E M E N T ...
Page 3: ...RAM DIESEL SUPPLEMENT RAM 1500 3 RAM 2500 3500 4500 5500 131 INDEX 351 ...
Page 4: ......
Page 5: ...RAM 1500 ...
Page 6: ......
Page 8: ......
Page 9: ...INTRODUCTION CONTENTS 䡵 A MESSAGE FROM CHRYSLER GROUP LLC 8 1 ...
Page 16: ...INSTRUMENT CLUSTER 14 UNDERSTANDING YOUR INSTRUMENT PANEL ...
Page 28: ...INSTRUMENT CLUSTER 26 UNDERSTANDING YOUR INSTRUMENT PANEL ...
Page 132: ......
Page 133: ...RAM 2500 3500 4500 5500 ...
Page 134: ......
Page 136: ......
Page 137: ...INTRODUCTION CONTENTS 䡵 A MESSAGE FROM CHRYSLER GROUP LLC 136 1 ...
Page 140: ......
Page 148: ...INSTRUMENT CLUSTER 146 UNDERSTANDING YOUR INSTRUMENT PANEL ...
Page 161: ...INSTRUMENT CLUSTER 3 UNDERSTANDING YOUR INSTRUMENT PANEL 159 ...
Page 271: ...WHAT TO DO IN EMERGENCIES CONTENTS 䡵 JUMP STARTING 270 With Portable Starting Unit 273 5 ...
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Page 353: ...INDEX ...
Page 365: ...Chrysler Group LLC 15D241 226 AB SECOND Edition Printed in U S A ...