Question about 1998 Jeep Wrangler

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My 1998 jeep wrangler's heater is blowing cold air. what could be the problem?

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You more then likly have a cloged heater core It looks and works just like your radiator but its smaller and its inside the truck under the dash board Check to see what your antifreeze looks like if its brown and rusty looking its probably the core You can disconnect the two 5/8 ths hoses from it out side on the fire wall get a couple of feet of heater hose cut it in half so you have two peices about a foot longplug them on the heater core then take a garden hose with a nozzle on it and try forceing water back and forth from one side to the other through the core this may claer the restriction out It dosen;t work every time but the alturnitive is to replace the core and on most vehicles this not an easy job although it may not be that hard to get to on a wrangler hope this helps

Posted on Nov 05, 2010

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