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Heater Control Valve

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Old Apr 12, 2010 | 09:18 AM
  #1  
tuxfan212's Avatar
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From: Parrish
Year: 1989
Model: Comanche
Engine: 4.0
Default Heater Control Valve

My heater control valve just blew up. My question is can I just eliminate it by running hoses strait from to and from the heater core or not. I live in FL and if that will cause the cabin to get hot I would not do it. Just looking for some input.
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Old Apr 12, 2010 | 10:22 AM
  #2  
OverlandZJ's Avatar
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From: Bristol,Pa
Year: 94
Model: Cherokee
Engine: 4.0L
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Yes, you would have heat going to defrost and heater ducts without the control valve.

Unless you bypassed the Heater core entirely.. but you'd lose warm air for defrost.
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Old Apr 12, 2010 | 10:30 AM
  #3  
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From: N.J. Shore Area
Year: 1994
Model: Cherokee
Engine: l6 HO
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Originally Posted by tuxfan212
My heater control valve just blew up. My question is can I just eliminate it by running hoses strait from to and from the heater core or not. I live in FL and if that will cause the cabin to get hot I would not do it. Just looking for some input.
AZ sells it for $17. I just bought one last week...Tj

Last edited by TrekkerJmm; Apr 12, 2010 at 10:33 AM.
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Old Apr 12, 2010 | 11:01 AM
  #4  
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From: Parrish
Year: 1989
Model: Comanche
Engine: 4.0
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is it metal. My dads renix has a steel one I was going to see if I can grap one of those steel ones from a JY. I am just really poor.
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Old Apr 12, 2010 | 11:52 AM
  #5  
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From: Austin, Texas
Year: 1991
Engine: 4.0 I-6 H.O.
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Originally Posted by tuxfan212
is it metal. My dads renix has a steel one I was going to see if I can grap one of those steel ones from a JY. I am just really poor.
mine was plastic
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Old Apr 12, 2010 | 11:54 AM
  #6  
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From: Las Vegas
Year: 1996 Limited
Model: Grand Cherokee
Engine: 5.2
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Mine was plastic so I just ran strait hoses and soon will just but a small ball valve on it so when its hot out I will close it and when it cools down or I want some warm air ill just pop the hood and give it a turn.
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Old Apr 12, 2010 | 12:31 PM
  #7  
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From: Katy, Tx
Year: 1989
Model: Wagoneer
Engine: inline 6
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thats a real cheap and easy fix man. I would just replace it. I replaced mine a few weeks ago.
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Old Apr 12, 2010 | 01:08 PM
  #8  
98 JeepJeep's Avatar
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From: Stafford,VA
Year: 1998
Model: Cherokee
Engine: 4.0
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plus your A/C wont be as cold without it......
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