Jeep 2006 Commander User Manual download pdf (Page 365)

100

101

Cooling System

WARNING!

You or others can be badly burned by hot antifreeze/

coolant or steam from your radiator. If you see or

hear steam coming from under the hood, don’t open

the hood until the radiator has had time to cool.

Never try to open a cooling system pressure cap

when the radiator or coolant bottle is hot.

Engine Coolant Checks

Check antifreeze/coolant protection every 12 months

(before the onset of freezing weather, where applicable).

If antifreeze/coolant is dirty or rusty in appearance, the

system should be drained, flushed and refilled with fresh

antifreeze/coolant. Check the front of the A/C condenser

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 engine cooling system hoses for brittle rubber,

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

the coolant recovery 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 antifreeze/coolant will begin to drain from

the coolant recovery bottle. DO NOT REMOVE THE

COOLANT PRESSURE CAP WHEN THE COOLING

SYSTEM IS HOT.

MAINTAINING YOUR VEHICLE 365

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Jeep 2006 Commander User Manual Page 365

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