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Old 11-21-2014, 11:33 AM   #1 (permalink)
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Default HVAC replacement

Just to give everyone an idea whats involved in replacing the HVAC unit . The large black brace still needs to be moved then the unit can be pulled out .Also is a walk around of the new unit .
http://youtu.be/EWFVdoeeWaY
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Old 11-21-2014, 11:54 AM   #2 (permalink)
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Sorry I need to re post this having trouble with the embedding of the video. Above is the new unit
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Old 11-21-2014, 12:07 PM   #3 (permalink)
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Not sure if this help here's a link to the video .Also the unit still in need to remove the brace that big black bar that goes across from drivers side to passenger side .
http://youtu.be/Ir8TPnJnO5s
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Old 11-21-2014, 03:17 PM   #4 (permalink)
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The video link works but I still don't believe what I see, it takes a lot to get that in and out!
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Old 11-21-2014, 11:02 PM   #5 (permalink)
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Originally Posted by SD Karma View Post
The video link works but I still don't believe what I see, it takes a lot to get that in and out!
Yes it's a big job and a royal pain also . When I remove the old HVAC unit I will take another video. I have three more cars to do after this one two are forum members .
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Old 11-22-2014, 05:44 PM   #6 (permalink)
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whats wrong with HVAC UNIT?
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Old 11-22-2014, 08:08 PM   #7 (permalink)
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That's never a fun job at all. The HVAC units have a few 'common' issues. It usually involves a blend door or the outlet mode actuator having an issue.



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Old 11-23-2014, 12:17 PM   #8 (permalink)
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whats wrong with HVAC UNIT?
When you set the temperature or where you want the air to come out the drive motors which adjust the blend shade are looking for a certain position based on the setting you entered which is called desired. The DMM motors count how many steps they need to get to the desired position .Problem while trying to match desired and actual position the motor over powers the shade and it rips apart very thin material .

We can look at live data and it shows desired and actual position once again this is a software based issue and early Vin cars have a non programable HVAC module . Fisker came out with a new module that can be programmed with software and early Vin cars can be ungraded to the newer style module.
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Old 11-23-2014, 02:07 PM   #9 (permalink)
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wow... don't seem to have a problem currently. Is there a cut over Number that has the new module? And, is the upgrade module a means to prevent the serious repair that is in the videos? Recommendations? Thanks as always.
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Old 11-24-2014, 02:36 PM   #10 (permalink)
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Originally Posted by Harleyguy View Post
Yes it's a big job and a royal pain also . When I remove the old HVAC unit I will take another video. I have three more cars to do after this one two are forum members .
I'm one of them
Nice to see you will have a few of these under your belt for practice before I get in there. You'll have it down to a science!

Fiscali: You will know you have this problem if, as soon as you open the car door, you hear a whining noise coming from inside the dash (before the car is even turned on). I notice it sometimes when I open the passenger door too.

The other "symptom" of the problem is that it fogs the bottom center of the windshield. In the summer here it can get pretty bad - even dangerous - which is the main reason to do the fix. Other than the fogging, the problem is pretty benign (the noise is a slight annoyance, and the A/C still works, which is why I left it a year).

The problem seems to be worse when it's hot out, or when I have the car parked in the sun (which is almost always) - not really sure why this is.

I'm looking forward to fixing what has been the one and only real problem with #328 .
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