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chickenhouse
Enthusiast
Jan 12, 2013, 9:55 AM
Post #26 of 41
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Re: heater, 99 Malibu
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I can't say the door is broken, I just think something is missing. Looking at the actuator, nothing attaches to it. That's why I don't see what it does. There's nothing there for it to actuate! Any pics available for that view?
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Hammer Time
Ultimate Carjunky
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Jan 12, 2013, 10:01 AM
Post #27 of 41
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Re: heater, 99 Malibu
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The only view I can find for the exact part is from the front but there has to be a hole on the other side. There should also be a piece of the door shaft sticking out that you can simply grab and rotate.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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chickenhouse
Enthusiast
Jan 12, 2013, 10:10 AM
Post #28 of 41
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Re: heater, 99 Malibu
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I don't think the blend door is broken, I think the parts- linkage to operate it is just not there. Looking up inside the dash, I don't see where any linkage should go. There is nothing attached to the actuator.
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chickenhouse
Enthusiast
Jan 12, 2013, 10:17 AM
Post #29 of 41
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Re: heater, 99 Malibu
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My first reply did'nt show up at first, hence the double reply. Is what I have been thinking all along, there shoulkd be a linkage or something attached to the actuator. Nothing.
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Discretesignals
Ultimate Carjunky
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Jan 12, 2013, 10:25 AM
Post #30 of 41
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Re: heater, 99 Malibu
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When you have to blower speed on high, do you hear the changing of air flow as you adjust the temp lever?
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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Sidom
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Jan 12, 2013, 10:34 AM
Post #31 of 41
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Re: heater, 99 Malibu
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I'll try to get my pos database up...
I know on some of those, the actuator sits right on top of the shaft of the door it's operating, so if you look at it from the outside you will just see this black box, attached to seemingly nothing....
You can moniter voltage, see if you can "feel/hear" something when someone changes the temp for you..
You could pull the actuator off & see if you can manually operate the door via the shaft...
Those go thru a relearn the instant power is restored after a power loss, so I would recommend disconnecting the battery before removing it and before reinstalling it......If you plug the connector into the actuator & it isn't hook up to anything.....Now you get to take the actuator apart & try to recenter it manually.......
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Tom Greenleaf
Ultimate Carjunky
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Jan 12, 2013, 10:51 AM
Post #32 of 41
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Re: heater, 99 Malibu
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A maybe. Does it seem like the actuator should be controlling arms remotely to door pivot close by? Some GMs use metal rods w spring shocks kinda so doors don't slam. Awful job on another with missing/broken rods/springs and what I'll call 'bones' that hold them in place.
Sample GM actuator with a nylon arm ---
That arm may not come with a new actuator. It's not a maybe they do stuff on some models and can't know them all + never could. That's somewhat why the actuator has two sides to fit a couple applications no doubt. Say if like that one shown, the nylon broke you might find the pieces down under top of where carpet ends. Bet that plastic part is not available new is what I was talking about and been there done that for any price to find that dinky crap which sent me "boneyarding" and found what I needed in a torn apart dash (thank you) so was easy to take what I needed.
I have pics of that job on my puter that for the life of me can't post from it but could via email. Reason for broken and missing crap was careless prior work on something else nearby on that one as I found some of the broken parts. Not sure this is what is slowing this down for you or not. I don't think your blend door is broken but who knows and hard to see no doubt without the whole mess apart.
Again, tell me if this is a maybe and I'll try to look at one already torn apart (dash) for other reasons or parts and see what this show really looks like. I couldn't in an 1/2 hour find pics exactly of this one on the web?
A clue would be if the actuator didn't even line up with a hole in the case it's mounted on if so. Wanna help you out of this buddy,
Tom
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Sidom
Veteran
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Jan 12, 2013, 11:23 AM
Post #33 of 41
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Re: heater, 99 Malibu
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I think I liked this thread better when we were talking about football, other stuff & drinking beering.....
I missed the 1st part at the bottom of the 1st page...
Desi is right CH...If you have the actuator off and it works but you can't move the shaft or control the heat manually, then the problem is in the box, not with the actuator........
(This post was edited by Sidom on Jan 12, 2013, 11:23 AM)
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chickenhouse
Enthusiast
Jan 12, 2013, 11:23 AM
Post #34 of 41
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Re: heater, 99 Malibu
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Airflow does change from say floor to defrost but not as well as it should imo. Tom, that looks like it with the exception mine don't have the rod attached like the photo. Also, I don't see where it WOULD attach. The other side screws to the heater box and is a blank solid wall.It has a plug sticking out that the actuator goes on.
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Tom Greenleaf
Ultimate Carjunky
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Jan 12, 2013, 11:28 AM
Post #35 of 41
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Re: heater, 99 Malibu
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If, If CH some extra part like that it wouldn't be fastened rather just push in place, held there when it is finally attached blocked from coming out by the box,
T
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Hammer Time
Ultimate Carjunky
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Jan 12, 2013, 11:29 AM
Post #36 of 41
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Re: heater, 99 Malibu
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I don't believe there is any sort of linkage missing. This actuator should slide directly onto the protruding shaft. If there is no protruding shaft, then the door is likely broken. Everything is inside the housing.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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chickenhouse
Enthusiast
Jan 12, 2013, 11:42 AM
Post #37 of 41
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Re: heater, 99 Malibu
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There is no proyruding shaft, nothing goes into the heater box itself. The part it screws to like I said is a blank wall with a square type protrusion cast into it. No shafts or anything on the heater box to the actuator.
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Hammer Time
Ultimate Carjunky
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Jan 12, 2013, 11:44 AM
Post #38 of 41
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Re: heater, 99 Malibu
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There has to be something sticking out somewhere in the immediate area. Even if it used linkage, there would be a lever to grab. Is there a hole or anything there?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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chickenhouse
Enthusiast
Jan 12, 2013, 11:48 AM
Post #39 of 41
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Re: heater, 99 Malibu
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No! Nothing! Now you are starting to see my delima. It looks like the pic Tom posted but I don't have any linkage attached to it OR anywhere under the dash. Nothing goes into the heat box at all.
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Sidom
Veteran
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Jan 12, 2013, 12:02 PM
Post #40 of 41
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Re: heater, 99 Malibu
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Maybe a picture would help.......It looks like it's coming back to a box problem....
It's either one with linkage or one that goes right on top of the shaft.......
There has to be something there, you're either not seeing it or in the wrong spot.
Actuators don't just bolt onto flat blank pieces of plastic with no holes or linkage or anything...
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chickenhouse
Enthusiast
Jan 12, 2013, 12:15 PM
Post #41 of 41
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Re: heater, 99 Malibu
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Ok, give me some time, I will take a pic of actuator in place and another while removed and post soon as I can.
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