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Cooling system – Dodge 2011 Challenger - Owner Manual User Manual

Page 404

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Cooling System

WARNING!

When working near the radiator cooling fan, dis-

connect the fan motor lead or turn the ignition
switch to the LOCK position (OFF position for
Keyless Enter-N-Go). The fan is temperature con-
trolled and can start at any time the ignition switch
is in the ON position (RUN position for Keyless
Enter-N-Go).

You or others can be badly burned by hot coolant

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.

Coolant Checks
Check engine coolant (antifreeze) protection every

12 months (before the onset of freezing weather, where

applicable). If coolant is dirty or rusty in appearance, the

system should be drained, flushed, and refilled with

fresh coolant. Check the front of the radiator for any

accumulation of bugs, leaves, etc. If dirty, clean by gently

spraying water from a garden hose vertically down the

face of the condenser.
Check the coolant recovery bottle tubing for brittle rub-

ber, cracking, tears, cuts, and tightness of the connection

at the bottle and radiator. Inspect the entire system for

leaks.
With the engine at normal operating temperature (but

not running), check the cooling system pressure cap for

proper vacuum sealing by draining a small amount of

coolant from the radiator drain cock. If the cap is sealing

properly, the engine coolant (antifreeze) will begin to

402 MAINTAINING YOUR VEHICLE