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05-03-2012, 03:11 PM
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#1 |
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NeoGeo
 Age: 28
Join Date: Jun 2003
Posts: 8,895
Location: MN User is: OffLine |
A/C Help (Jeep Liberty)
I have an interesting A/C problem on my wifes Liberty. When you first start the vehicle up and turn the A/C on, no problem, ice cold just like it should be. Pressure reading says full (on low side).
Drive around a bit more and it starts to get warmer and gradually the pressure increases. WTF?! I have made sure the coolant level is fine so as to not have the car to try and bypass the compressor. No leaks anywhere, so I am stumped. What is something that could be causing this? |
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05-03-2012, 03:23 PM
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#2 |
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No longer a pizza tech.
 Age: 21
Join Date: Sep 2007
Posts: 12,005
Location: Topeka User is: OffLine |
Re: A/C Help (Jeep Liberty)
Is your e-fan kicking on when it should? Assuming its electric.
A couple things i've read are bad/corroded relays. Bad clutches at 90-100k and one guy had a bad BCM, but his was blowing hot/cold/hot/cold I'd start by checking out the relay |
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05-03-2012, 04:53 PM
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#3 |
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NeoGeo
Age: 28
Join Date: Jun 2003
Posts: 8,895
Location: MN User is: OffLine |
Re: A/C Help (Jeep Liberty)
i was thinking relay too at one point, but had some other shit to do last night i passed over it. we shall check it out tonight.
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05-03-2012, 05:02 PM
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#4 |
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run and tell that
 Age: 29
Join Date: Feb 2003
Posts: 7,996
Location: USA User is: OffLine |
Re: A/C Help (Jeep Liberty)
Hopefully your thread doesn't start getting the same love another one was getting, when someone mentioned Jeep:
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05-03-2012, 05:18 PM
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#5 |
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NeoGeo
Age: 28
Join Date: Jun 2003
Posts: 8,895
Location: MN User is: OffLine |
Re: A/C Help (Jeep Liberty)
meh, i can remove posts if need be.
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05-04-2012, 02:54 AM
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#6 |
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No longer a pizza tech.
Age: 21
Join Date: Sep 2007
Posts: 12,005
Location: Topeka User is: OffLine |
Howd it go?
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05-04-2012, 09:43 AM
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#7 |
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Smellfungus T. Woodcock
 Join Date: May 2006
Posts: 23,531
Location: Indian Burial Caves User is: OffLine |
Re: A/C Help (Jeep Liberty)
Either the A/C pressure switch is bad, or the E-Fan isn't kicking on.
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05-04-2012, 02:02 PM
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#8 |
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Registered User
 Age: 20
Join Date: Mar 2010
Posts: 2,064
Location: coshocton ohio User is: OffLine |
Re: A/C Help (Jeep Liberty)
as stated above the A/C fan sounds to not be kicking on.
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05-04-2012, 02:34 PM
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#9 |
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Electrical Mod
  Age: 23
Join Date: Oct 2007
Posts: 45,673
Location: Flint, MI or Houston, TX User is: OffLine |
Re: A/C Help (Jeep Liberty)
Wouldn't hurt to check the condensor for being clogged up as well.
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05-04-2012, 03:34 PM
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#10 |
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No longer a pizza tech.
Age: 21
Join Date: Sep 2007
Posts: 12,005
Location: Topeka User is: OffLine |
Re: A/C Help (Jeep Liberty)
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05-04-2012, 03:51 PM
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#11 |
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NeoGeo
Age: 28
Join Date: Jun 2003
Posts: 8,895
Location: MN User is: OffLine |
Re: A/C Help (Jeep Liberty)
efan kicks on as i have had it running with the hood up for a while and it turns on. i didn't get a chance to check the relay or pressure switch yet.
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05-04-2012, 03:52 PM
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#12 |
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No longer a pizza tech.
Age: 21
Join Date: Sep 2007
Posts: 12,005
Location: Topeka User is: OffLine |
Re: A/C Help (Jeep Liberty)
im fairly confident your fan should kick on with the compressor.
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