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step by step instruction on air flow issue? diagrams?

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Old Nov 8, 2016 | 02:24 PM
  #1  
synergy58's Avatar
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From: Pensacola, FL
Year: 2001
Model: Cherokee
Engine: 4.0
Default step by step instruction on air flow issue? diagrams?

HVAC system won't blow air to floor. I get it flowing at the defrost/windshield and out the main vents but just can't get it flowing to the floor vents. It all works great except for this issue. Seems someone had a step by step set of instructions, and maybe some diagrams somewhere but I can't find them in the search.
Anyone know????

Gotta get this resolved before cold weather hits hard…MY FEET GET COLD!

preci ate it !
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Old Nov 8, 2016 | 03:27 PM
  #2  
CCKen's Avatar
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mode selections vacuum chart:


Name:  jpgModeSelectFunctions.jpg
Views: 321
Size:  160.5 KB
.
Door actuators:


Name:  img496-1.jpg
Views: 1105
Size:  43.9 KB
.
You may get a look at the floor actuator by going by this:


Name:  Defrost%20Door%20Troubleshooting.jpg
Views: 404
Size:  4.49 MB
.
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Old Nov 8, 2016 | 05:44 PM
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WOW! Where do I start!
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Old Nov 9, 2016 | 07:08 AM
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Originally Posted by CCKen
mode selections vacuum chart:



.
Door actuators:



.
You may get a look at the floor actuator by going by this:



.
Here we go. Another half assed answer from Ken.....LOL.
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Old Dec 6, 2016 | 06:22 AM
  #5  
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From: Pensacola, FL
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Originally Posted by cruiser54
Here we go. Another half assed answer from Ken.....LOL.
Thanks for the posted pictures! I know this is a late response, sorry. Had surgery and just now getting back at it.

So, I was never able to delve into this issue but I really need to get this done, along with a few other issues, of course…it's a Jeep! LOL.

Question: in the picture with the 4 red arrows (top right corner), where exactly is this area located, behind the main area of the dash?
Do I need to remove the entire front face of the dash to get to these actuators?
Is there anything else I should check for besides actuators, and the obvious things like cracked hoses, broken wires, anything specifically?

I hope to start taking the dash apart tis weekend, just want to start getting my game head on. It's already cold and wet outside. I need HEAT on the FEET!

Thanks!
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