Cooling System - Dodge Durango Owner's Manual

410 MAINTAINING YOUR VEHICLE
To minimize the possibility of catalyst damage:
Do not shut off the engine or interrupt the ignition
when the transmission is in gear and the vehicle is in
motion.
Do not try to start engine by pushing or towing the
vehicle.
Do not idle the engine with any spark plug wires
disconnected or removed, such as when diagnostic
testing, or for prolonged periods during very rough
idling or malfunctioning operating conditions.

Cooling System

WARNING!
You or others can be badly burned by hot engine
coolant (antifreeze) or steam from your radiator. If
you see or hear steam coming from under the hood,
do not open the hood until the radiator has had time
to cool. Never try to open a cooling system pressure
cap when the radiator is hot.
Engine Coolant Checks
Check the engine coolant (antifreeze) protection every
12 months (before the onset of freezing weather, where
applicable). If the engine coolant (antifreeze) is dirty or
rusty in appearance, the system should be drained,
flushed and refilled with fresh engine coolant (anti-
freeze). Check the front of the A/C condenser and
radiator for any accumulation of bugs, leaves, etc. If dirty,