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Unread 12-06-2011, 05:53 PM   #1
XJeshua
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1998 XJ Cherokee 
 
Join Date: Oct 2011
Location: San Antonio, Texas
Posts: 26
Heater Problem

My A/C works great, no leaks from my heating/cooling system, but my heater won't blow hot air. No matter what setting I put it on it just blows really cold air (even in the summer).

I think it might be the A/C Heater Control Switch (from what I've read on here)


Having trouble locating the switch on my '98 XJ. If anybody can tell me how to replace it or any other suggestions for my problem it would be greatly appreciated. Thanks.

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Unread 12-06-2011, 08:17 PM   #2
keepishop
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1989 XJ Cherokee 
 
Join Date: Oct 2008
Location: Seattle
Posts: 3,372
Are the hoses running to the heater core (on the passenger side of the firewall) hot? You may want to search for "blend door" for a fix for that issue as well.
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Current: Black 89 limited, dakota bastard pack, zj coils, 1.5" lift, open cooling swap, bronco 2 carrier, rad fan switch
Rest in Pieces: Red 1990 cherokee dana30/8.25 - v8 zj coils & s10 bastard pack 2.5" lift - 31x10.5r15 tires - v8 zj tierod

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Unread 12-06-2011, 10:40 PM   #3
XJeshua
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1998 XJ Cherokee 
 
Join Date: Oct 2011
Location: San Antonio, Texas
Posts: 26
Thanks for the reply, I followed the advice from djflyy (below) and it seemed to work out, finally getting hot air and not a moment too soon, it's getting cold here in San Antonio! (31* is cold by my standards). Anyways I'm gonna do a whole radiator flush next time I get the chance.

http://www.jeepforum.com/forum/f9/he...hotos-1266369/

Thanks again
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Unread 12-06-2011, 11:51 PM   #4
keepishop
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1989 XJ Cherokee 
 
Join Date: Oct 2008
Location: Seattle
Posts: 3,372
Don't forget to spray through the radiator to clean mud out of the fins.
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Current: Black 89 limited, dakota bastard pack, zj coils, 1.5" lift, open cooling swap, bronco 2 carrier, rad fan switch
Rest in Pieces: Red 1990 cherokee dana30/8.25 - v8 zj coils & s10 bastard pack 2.5" lift - 31x10.5r15 tires - v8 zj tierod

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