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Unread 06-12-2012, 02:27 PM   #76
KloppWJ
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1999 WJ 
 
Join Date: Jul 2010
Location: Everett
Posts: 50
I found a calibration procedure for the AZC. Could this be the issue if the door is moving but still giving a code 52?

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Unread 06-12-2012, 03:16 PM   #77
fumblefingers
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Join Date: Dec 2009
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Quote:
Originally Posted by KloppWJ View Post
I found a calibration procedure for the AZC. Could this be the issue if the door is moving but still giving a code 52?
I still get a 52 but my door still works ok. I am told the stops are worn which allows the rotation beyond limits and in time the plastic will become over stressed and break. I decided to simply wait and after a year, it is still working.
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Unread 06-29-2012, 11:24 AM   #78
Zagorich
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2003 WJ 
 
Join Date: Jun 2012
Location: Podgorica, NA
Posts: 10
I know this is an old post, but hopefully someone can answer... We are very close to purchasing a 2003 Grand Cherokee(Euro version), but the aircon makes a 'knocking' noise(Sounds like plastic inside) when first turned on. It goes for a few seconds, stops, then a few more times then stops and is fine. Previous owner says its done it for 3yrs that he has owned it. The aircon and what not all works perfectly though. Is this the blend door on it way out? Or something worse?
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Unread 07-11-2012, 08:30 PM   #79
Dylan484
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2002 WJ 
 
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Posts: 67
Could this possible fix the no air to my passenger side problem?
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Unread 07-12-2012, 01:41 PM   #80
fumblefingers
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No......no air on pass side sounds like blend door problem. This is caused by plastic door shaft breaking. There is a easy MOPAR fix that one can do. One needs for tools a plunge saw (Sonicrafter) or heat knife to cut the plastic housing neatly for access and about 10 ft of copper wire to run from the battery to the work area to rotate the door actuator to the 2:00 position for easy insertion of the new blend doors. The kit comes with a template for cutting and I found that using a white magic marker allowed me to trace a visible line for cutting. Accurate cutting is necessary so that one does not puncture the evaporator coil which is near the access that one makes. The repair cost about $100 which is much cheaper than the $800 that the dealer wanted and the new blend doors had metal shafts. After repair the system needs to be calibrated using the AZC procedure.
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Unread 07-12-2012, 01:49 PM   #81
fumblefingers
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Quote:
Originally Posted by Roosky81 View Post
What's better to use, 7mm Allen Key or what size Torx?
It is easier if you use a nut driver.
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Unread 07-12-2012, 01:54 PM   #82
Dylan484
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Blend doors only determine the mixture of hot to cold air right?
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Unread 07-12-2012, 07:13 PM   #83
HVACNY
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Quote:
Originally Posted by Dylan484
Blend doors only determine the mixture of hot to cold air right?
Yes
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Unread 07-12-2012, 10:57 PM   #84
Dylan484
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So why would that effect only my passenger side vents?
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Unread 07-18-2012, 06:56 PM   #85
CrutchfieldMark
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Location: Charlottesville, va
Posts: 157
Thanks, what a thorough set of posts.
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Unread 07-28-2012, 03:34 PM   #86
grecoroman33
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Location: New York, NY
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Need Help ASAP

Hey guys-

Could anyone provide some brief directions from the point after the glove box is removed? How do you get access to remove the blower motor?

Thanks in advance.

Last edited by grecoroman33; 07-28-2012 at 03:43 PM.. Reason: How do I remove the Blower Motor????
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Unread 07-28-2012, 07:09 PM   #87
fumblefingers
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Blower motor is a squirrel cage under glove box held in place with 3 brass torx screws. Once screws removed, blower will drop down. It may be easier to reach one of the torx screws by removing the right foot pannel which is held in place with one screw. A nut driver is easier to use than a torx bit as the screws will fall out when loose. No need to disconnect electrical unless replacing blower.
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Unread 08-20-2012, 01:50 PM   #88
grecoroman33
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Thanks so much. I had taken the Jeep to two different mechanics, and neither were able to figure out the problem. With this tutorial I was able to fix in about 15 minutes.
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Unread 03-19-2013, 11:14 AM   #89
robrilla
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2004 WJ 
 
Join Date: Mar 2013
Location: Tigard, Oregon (OR)
Posts: 94
So how do you "correctly" fix the recirculation door problem? I'm taking apart the dash anyway to repair codes 54 / 56.

Thanks,
-Rob
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Unread 03-19-2013, 11:45 AM   #90
reneveah
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Join Date: May 2006
Location: Wilkes-Barre PA
Posts: 667
Thank you thank you omg thank you!! Haha iv been on contact recirc for 3 years and damn it fogs up bad, this will fix that
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