Jeep 2005 Wrangler User Manual download pdf (Page 267)

system should be drained, flushed and refilled with fresh

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

(if equipped) or 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 A/C con-

denser (if equipped) or the back of the radiator core.

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

antifreeze/coolantfrom theradiatordraincock.Ifthecap

is sealing properly, the antifreeze/coolant will begin to

drain from the coolant recovery bottle. DO NOT RE-

MOVE THE COOLANT PRESSURE CAP WHEN THE

COOLING SYSTEM IS HOT.

Cooling System — Drain, Flush, And Refill

At the intervals shown in the appropriate “Maintenance

Schedule,” the system should be drained, flushed, and

refilled.

If the solution is dirty and contains a considerable

amount of sediment, clean and flush withreliable cooling

system cleaner. Followwith a thoroughrinsingto remove

all deposits and chemicals. Properly dispose of old

antifreeze/coolant solution.

Discard old antifreeze/coolant solution according to rec-

ommended procedure.

Selection Of Engine Coolant

Use only the manufacturer’s recommended antifreeze/

coolant, refer to Recommended Fluids, Lubricants, and

Genuine Parts for correct antifreeze/coolant type.

MAINTAINING YOUR VEHICLE 267

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Jeep 2005 Wrangler User Manual Page 267