- #28 of 48
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Re: Curise control & climate control [ediezel]
by tuggajb
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May 19, 2008 (1:52 pm)
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Replying to: ediezel (May 19, 2008 5:53 am)
sounds as if you have a magor vacuem leak as cruse and blend doors are run by vacuem
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- #29 of 48
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Re: '94 Cherokee cruise problem [mizer]
by kkeegan
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Jun 17, 2008 (6:38 pm)
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Replying to: mizer (Oct 01, 2007 1:32 pm)
WE have a 2004 Jeep Grand Cherokee with similar problems:1) the AC works but it does not blow air where the knob is selected (i.e. if vent mode is selected, no air comes through, but the AC works) 2) The cruise control does not work. In reading your messages, you indicated you might have some more detail troubleshooting. Please advise. Do you want me to write directly to your email address?
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- #30 of 48
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Re: '94 Cherokee cruise problem [kkeegan]
by mizer
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Jun 18, 2008 (6:16 am)
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Replying to: kkeegan (Jun 17, 2008 6:38 pm)
My e-mail address is Stephen.A.Jones fire.ca.gov
I will try to help you out as best I can.
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- #31 of 48
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Re: '94 Cherokee cruise problem [kkeegan]
by tidester HOST
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Jun 18, 2008 (9:57 am)
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Replying to: kkeegan (Jun 17, 2008 6:38 pm)
you indicated you might have some more detail troubleshooting
Readers of this Forum would likely be interested in that information also.
tidester, host
SUVs and Smart Shopper
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- #32 of 48
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Re: '94 Cherokee cruise problem [tidester]
by mizer
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Jun 18, 2008 (11:18 am)
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Replying to: tidester (Jun 18, 2008 9:57 am)
I'm sorry. What I posted on page one was pretty much all I have. I think what I meant was for one of the guys in this forum was he/she could call me and I would walk them through the process I used to trouble shoot my system. To help point out or explain what they are looking at. There is another possibility with the Cruise Control. It is some switch or relay that you have to remove the Steering Wheel to get to it. I am not a Jeep mechanic I just do what I can with what I have.
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- #33 of 48
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Re: Curise control & climate control [ediezel]
by 68jerry
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Jul 19, 2008 (6:52 am)
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Replying to: ediezel (May 19, 2008 5:53 am)
I have the same problem, is it the vacumn motor(hose) ? Any help would be appreciated. 
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- #34 of 48
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Re: Curise control & climate control [68jerry]
by 68jerry
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Aug 10, 2008 (11:32 am)
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Replying to: 68jerry (Jul 19, 2008 6:52 am)
It was a vacumn hose, not bad cost 15 25 for labor.
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- #35 of 48
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Re: Curise control & climate control [ediezel]
by wing2894
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Sep 10, 2008 (3:38 am)
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Replying to: ediezel (May 19, 2008 5:53 am)
Hope this helps, I had the exact same problem with my 2001 Grand Cherokee, ((fan position switch won't work (go from floor to dash to windshield, etc.)), and the cruise control won't engage. I'm told both are due to a vacuum line problem, ). I fixed mine by replacing 1/4" hose located directly under battery mounting pan. Takes a little work but might be worth it.
First remove battery. Then remove pan, you'll need a deep socket 10mm with extentions to get at one mounting nut. Remove two nuts holding cable to fuse/relay box attached to pan. Move pan out of way. The hose that's causing all the problems is about 6" long going to servo. Replaced hose ($.77) and it took care of both problems. Total job took about 1 hour. From what I have been reading this is the hose that's causing everyone problems.
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- #36 of 48
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Re: Curise control & climate control [wing2894]
by blinddog1
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Jan 12, 2009 (5:49 am)
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Replying to: wing2894 (Sep 10, 2008 3:38 am)
Thanks for the excellent information. The cruise control on my 2000 Grand Cherokee would not engage. I followed your instructions and found the broken vacuume line below the battery pan. I replaced the thin plastic and brittle broken line with about 1 foot of 1/4" fuel line. I did have to purchase a deep socket 10mm socket and a 10" extension. Wow - I have cruise control again!!!!
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- #37 of 48
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Re: Curise control & climate control [blinddog1]
by kelicula
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Feb 08, 2009 (8:31 am)
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Replying to: blinddog1 (Jan 12, 2009 5:49 am)
Thanks for the step by step on what to look for and how to fix it. I just bought my first Jeep Cherokee Sport ever! From the nicest couple, who had the same problems. They got the actual unit replaced, but this did not help the problem. Now, I can see what I might be, the hose. My question is can a person with no mechanical experience do this? I would like to try but don't want to cause further problems. Thanks in advance
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