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Before I attempted this, I searched and searched and didn't see anything on this forum (I don't recall much on the other Lamba forums either) whereby someone disassembled one of the side view mirrors to repair the power folding function. I know that there are plenty of people in the same boat I was (one or both not folding any more), so I figured I'd go ahead and write a good how to. Honestly, I'm a pretty capable mechanic (my works often exceeds what most dealership mechanics do) and I'd write up more how-to guides, if I only had the time.

In my case, my driver side mirror works fine, but the passenger side stopped folding- all other functions worked fine. I also got REALLY lucky in that I found a person on eBay selling a brand new, GM factory passenger side folding heated power mirror (unpainted) for $40. If you are like me, you didn't want to pay to buy a mirror and then pay even more to have it painted and/or you have a "donor" mirror with which you can swap parts.

First, here's a few notes/tips to keep in mind:

- From what I saw, you can separate and replace the following parts of the mirror: The shell/housing (the painted part that holds all the guts), the turn signal indicator, the mirror motor assembly, possibly the wiring harness (might take a little work to get it out of the non-folding part of the mirror assembly), the mirror/glass, and (naturally) the folding motor assembly.

- If the part of the mirror assembly that does not fold is fine, you COULD actually replace the mirror folding mechanism without removing it from the vehicle. Since I had a brand new mirror as my "donor", I opted to replace the whole thing


Let's start! I only took photos of the mirror when I was swapping the motors as that's the focus of this write up (sorry)

1. If you are going to replace the non-folding part, take the whole mirror off the car. Start by prying loose the door panel at the upper left corner (near where the mirror is on the door). At least for the passenger door, you will need to take out 3 bolts to get it pried out enough to get to the 2 wiring harnesses. One is behind a plastic cover that sits behind the interior door handle and the other two are located under a removable plastic cover that runs vertically up the grab handle on the door panel (see attached pic). You will also need to remove the interior plastic cover that hides the 3 nuts that hold the mirror to the door (it's held on by a spring clip- just carefully pry away from the door to pop it loose).

2. Disconnect the wiring harnesses and pop out the wiring harness retainer that is attached to the metal under the door panel, just above where the harness connects.

3. NOTE: There are 2 plastic retainers on the inside of the door rubber that hold the door rubber to the mirror assembly (if you are looking at the 3 mounting nuts for the mirror on the inside, the clips will be to the left on the door's rubber surround). Make sure you pop these out before trying to remove the mirror assembly

4. Remove all 3 mounting nuts (10mm) and remove the mirror from the vehicle.


Okay- time to disassemble!

1. Start by pushing the top of the mirror glass all the way in, so that the bottom of the glass is sticking out (i.e. if it were on the car and you were looking in your mirror, all you'd see is the sky.

2. CAREFULLY pry the mirror outward and while holding pressure, use a hook or other similar tools to try to release some of the tabs that hold the back of the mirror to the motor assembly. I know it feels like your gonna break something, but keep applying careful pressure and eventually the mirror will release.

3. Once the mirror releases STOP- more than likely you have a heated mirror and there are two wires attached to the top left corner of the glass that need to be taken off before you can separate the glass from the mirror housing. NOTE: when pulling off the heater wires, I recommend using the dull edge of a tool (any tool) to apply pressure to the metal terminals where they attach to the mirror. The first time I went to pull off a heater wire, it felt like I was about to tear the whole metal terminal off the mirror. By holding the other part of the metal terminal against the glass while pulling on the wire to remove it, you keep the metal terminal from trying to rip off the back of the mirror.

4. Once the glass is out of the way, you'll see that everything is pretty accessible!

5. Disconnect the wire harnesses going to the mirror tilt motor and turn signal (for now, you can leave the one attached to the folding motor assembly). Pull the turn signal harness out from behind the tilt motor so that all wires are together near folding motor assembly.

6. Remove the two screws that hold the folding motor assembly to the shell (torx)- they are long screws and are easy to remove (see attached pic).

7. Now for the tricky part- the folding motor assembly is somewhat tightly fitted into the shell. To separate the shell from the folding motor, separate the two parts (the shell and the part that mounts to the vehicle) by prying apart with a wiggle/rocking motion. You should slowly feel the shell sliding off the folding motor assembly.

NOTE: The shape of the folding motor assembly prevents the shell from sliding straight off the top. Once the shell has slid as far as it can off the folding motor assembly, carefully tilt the shell away from the assembly at the point closest to the pivot (see attached pic where it shows them partially separated).

8. Finish separating the shell from the folding motor assembly, taking care to route the wiring harness safely out of the shell

9. All you are left with is the mirror mount, folding motor and wiring harness.


At this point, you have a few options:

-If you are replacing/swapping the whole mirror mount, folding motor and wiring harness (which is what I did), simply reverse the steps above to mount the new mount/motor/harness to your existing body color, painted shell.

-If you want to replace just the motor, it's as easy as removing the 4 torx screws holding the folding motor assembly to the mirror mount, pulling off the old folding motor assembly (carefully routing the wire harness out the center hole) and mounting the new folding motor assembly on your existing mirror mount. Then reverse the step above the mount your existing shell onto the new folding motor assembly.


That's about it! In the future, I might try to do these in a PDF since it makes doing inline pics and markup (arrows, circles, etc.) easier. In fact, don't be surprised if I do just that and post it below... :thumb:

Total time (for me at least) was about 1 hour (I'm a detail oriented person, so speed isn't my strong suit). Mechanical knowledge needed was pretty average and basic hand tools and a socket set was all that was needed.

Enjoy!
 

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Discussion Starter #2
As promised!! (PDF below)
 

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Totally Amazing!!! At age 75, I still enjoy working on my cars. In some ways the modern cars are easier as the computer throws codes that define the problem in many situations. The biggest problem however is the cramped spaces to work. Not like the old days where you could sit inside the engine compartment and fix that old straight Chevy Six! I love it when folks describe these types of repair procedures! THANKS SO MUCH!!!
 

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Nice writeup!

I actually did this last year but didn't take the time to create a detailed writeup like you did (sorry :-\). I also did mine "on the vehicle" like you mentioned since I was only replacing the power-fold motor.

The only thing I will add to your great writeup is YOU CAN'T BUY THE POWER-FOLD MOTOR SEPARATELY (sorry for the bold caps but I wanted everybody to see it). GM does not sell the motor separately so you need to get a donor mirror like MDCole9761 said.

Thanks again for the writeup :thumb:
 

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Discussion Starter #6
Thanks sklunk! And an excellent point about the motor- not sure if GM doesn't want anyone going that far into repairing the mirror, or if they just want you to buy a whole mirror for $$. It honestly isn't that hard to repair, but you will need a donor mirror/part.

I thought I had read somewhere that someone had already done it (must have been you sklunk), so armed with the knowledge that it was possible I decided to give it a whirl. Not sure why GM made it removable/accessible if they didn't intend for it to be repairable/replaceable.

Still- glad to have it working again! (not that I use it a lot, but it is nice to have when you need it)
 

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Interchangeable parts? Re: Repairing a power folding mirror (with pics)

Thanks MDCole9761
Its because of folks like you that the Inet is such a great tool! :blob:

Does anyone know if the folding motor and perhaps other parts are interchangeable left side/right side?
 

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Discussion Starter #8
You're very welcome- for all the "lurking" I do on the Internet, getting ideas and tips from others on how to fix things, it's been nice to give back for a change!

I had a forum member ask me that very question over PM- I tried to find the response I sent him, but can't seem to find it. Anyways, my impression is that the mirror positioning motor and the folder motor are *probably* interchangeable. But that's only a guess, based mostly on the fact that manufacturers are more likely to mold the plastic for the left and right side housing to accommodate the same motor assembly (after all, the housings have to be made from two different molds already) than to manufacture two different motors. I can tell you that the folding mirror motor assembly is nearly symmetrical except that one side of the motor housing has a small "bump" that the other side doesn't. My guess would be that the just molded the plastic on the mirror housing for the driver side to accommodate the position of the bump (since the motor sits in a position that 180 degrees from that of the passenger side, i.e. the "bump" is facing forward on the driver side and is facing rear on the passenger side). I circled the the "bump" in the re-posted photos below- it's the little part where the round gear/pivot part of the housing meets the square motor section.




EDIT: I may have all but confirmed my theory- I went to my Enclave and looked into the driver's side housing where the folding mirror motor mounts and guess what? No bump! Chance are that the bump is molded into the forward facing section of the mirror housing.

Hope this helps!
 

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Well, the passenger side power folding mirror on my 08 "Cherry-Ot" has gone kapuut.... The actual mirror will move to adjust the view, but the whole housing will not fold in or out, no matter what manual position I put it in. If I put it in, it won't fold out. If I put it out, it won't fold in. I guess I will be trying to find a replacement or taking this one off and trying to figure it out. The motor buzzes and whirs, but no motion... :angryfire: !
 

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cfedor said:
Well, the passenger side power folding mirror on my 08 "Cherry-Ot" has gone kapuut.... The actual mirror will move to adjust the view, but the whole housing will not fold in or out, no matter what manual position I put it in. If I put it in, it won't fold out. If I put it out, it won't fold in. I guess I will be trying to find a replacement or taking this one off and trying to figure it out. The motor buzzes and whirs, but no motion... :angryfire: !
Had this with issue my Silverado. $300 :thumbdown: and a quick swap of the mirror cap an it was fixed.
 

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Discussion Starter #11
cfedor said:
Well, the passenger side power folding mirror on my 08 "Cherry-Ot" has gone kapuut.... The actual mirror will move to adjust the view, but the whole housing will not fold in or out, no matter what manual position I put it in. If I put it in, it won't fold out. If I put it out, it won't fold in. I guess I will be trying to find a replacement or taking this one off and trying to figure it out. The motor buzzes and whirs, but no motion... :angryfire: !
Feel free to post here or contact me if you have any questions or need any help @cfedor!
 

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MDCole9761 said:
Feel free to post here or contact me if you have any questions or need any help @cfedor!
:thumb: Thanks, PM sent. That's why I love this forum. Everyone helps everyone.
 

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Discussion Starter #13
cfedor said:
:thumb: Thanks, PM sent. That's why I love this forum. Everyone helps everyone.
And I love the fact that I'm able to help others- I've received so much help over the years from so many forums that it feels great to give back for a change!
 

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MDCole9761 said:
And I love the fact that I'm able to help others- I've received so much help over the years from so many forums that it feels great to give back for a change!
:thumb:
 

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Well I ordered a replacement OEM red jewel mirror off of Ebay for $76.99. Now the waiting game on shipping and finding a couple hours to change it out for myself. I will have to interchange the black bracket that bolts to the door because the one I got has a chip on a corner, but no biggie. Thanks to MDCole for this elaborate post! The only 2 questions I have is about the 2 "push pins" that hold the weather stripping to the door and the mirror, How do they come out, and what shape are they or what do they look like?
 

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cfedor said:
Well I ordered a replacement OEM red jewel mirror off of Ebay for $76.99. Now the waiting game on shipping and finding a couple hours to change it out for myself. I will have to interchange the black bracket that bolts to the door because the one I got has a chip on a corner, but no biggie. Thanks to MDCole for this elaborate post! The only 2 questions I have is about the 2 "push pins" that hold the weather stripping to the door and the mirror, How do they come out, and what shape are they or what do they look like?
cfedor:

I hope you got the power-folding mirror or it won't have the motor. I went through that on ebay a few years ago and unfortunately most sellers list the mirror as power-fold when it is actually only power-adjust (many sellers get them confused and think if the mirror glass moves it is "power-fold" when that's something different). And the "push pins" just pull out but you need to be careful that you don't rip them in half when you do it.

Let us know how you make out :thumb:
 

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cfedor said:
You should be fine- I went through the same thing when looking for a mirror on ebay and I believe the notable difference is that the power fold mirror has two wiring harnesses and connectors where the non-power folding mirrors typically just have the one. I checked my wiring diagrams and it appears to confirm this. I checked out the auction you linked to and there's two connectors in the pictures, so you should be good.
 

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MDCole9761 said:
You should be fine- I went through the same thing when looking for a mirror on ebay and I believe the notable difference is that the power fold mirror has two wiring harnesses and connectors where the non-power folding mirrors typically just have the one. I checked my wiring diagrams and it appears to confirm this. I checked out the auction you linked to and there's two connectors in the pictures, so you should be good.
:thumb: How hard is it to remove the inner door skin? I have figured out the torx head screws behind the hidden panels, then, do I lift the window ledge and pull straight off of the door, or is there another trick, as there seem to be several of the body panel fasteners holding the inner panel to the door.... I am afraid that if I just start yanking on the panel, those panel fastners aren't gonna be worth much to reuse. Then there is the question of the interior lock stem on the top rear of the door ledge - how do you clear the inner panel up and over the knob?
 

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Discussion Starter #20
cfedor said:
:thumb: How hard is it to remove the inner door skin? I have figured out the torx head screws behind the hidden panels, then, do I lift the window ledge and pull straight off of the door, or is there another trick, as there seem to be several of the body panel fasteners holding the inner panel to the door.... I am afraid that if I just start yanking on the panel, those panel fastners aren't gonna be worth much to reuse. Then there is the question of the interior lock stem on the top rear of the door ledge - how do you clear the inner panel up and over the knob?
Not sure- I'd have to look up the procedure again to be sure but this post my help (http://www.enclaveforum.net/index.php?topic=8549.0). My advice though is skip all that by just dismantling the mirror while on the car. You start by popping the mirror off of the motor assembly (this part sucks cause you feel like you are going to break it). Here's some instructions I swiped off the Acadia forum:


1. The top inside corner is the best location to pulling the mirror out.
2. Push the bottom outside corner of the mirror in as far as it will go making the top inside corner stick out.
3. Grab the mirror on the top inside corner and pull upward gently and the mirror should come off.
4. If it's a heated mirror, there should be electrical connectors on the back of the mirror.

Make sure you don't go too far with the mirror if you have heated glass (and I bet you probably do)- disconnect the two heater wires before setting the glass aside. From there, disconnect any wiring harnesses (they will need to be free to slide down the hole in the folding mirror motor) and then there's a few torx screws that will allow you to free the folding mirror motor. The rest of the steps should be in my instructions in the OP.
 
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