power folding mirror stopped working!

[2010LTZ4x4]

My passenger side pwr/m isn't folding in or out. If I push it in by hand it won't come back out unless I do it manually again. Has anyone else experience this on there gmt-900?

[intheburbs]

Yes, it is common. My '09 Denali has the same problem - but I don't care because I just got the HD towing mirrors for it.

 

Do you hear the motor turning when someone presses the switch? The gears are prone to breaking. If you hear nothing, it's an electrical issue.

[LeoS41280]

Had one replaced under warranty.

[2010LTZ4x4]

I can hear the motor running so I guess the gear is broken. Can the gear be replaced or does the whole mirror need to be changed?

[border1225]

I can hear the motor running so I guess the gear is broken. Can the gear be replaced or does the whole mirror need to be changed?

 

Does anyone have an answer this? I have the same issue now.

[montyss]

If its the gear that's broke on the power fold you need to change the mirror

[jatkinson8755]

On 12/28/2016 at 4:45 PM, montyss said:

If its the gear that's broke on the power fold you need to change the mirror

No  -  there's a company that sells a BRASS version of this gear which is pretty indestructible.   Its likely all that has happened here is either the power fold motor has died, or the stupid plastic gear inside the unit has broken.  Both have terrible reliability.

 

http://www.gruvenparts.com/shop-by-car/gm-truck

 

Look at the 1st item on that page.  You can upgrade the mirrors cheap with a much better motor and a gear thats NOT STUPID PLASTIC.  

 

Cant believe GM put plastic in there, and I cant believe people replace entire mirrors or go through all that trouble just to have mirrors with more shit plastic gears in them.  The 1st time you go to the car wash and they manually fold in those power mirrors, the plastic gear usually strips or breaks.  Its unbelievable.

[Mikebtte]

Yes both the gear on the motor and housing can brake. The housing gear you can rotate 180 degrees and reuse. The motor gear needs replaced. I have made a video fixing it the last time I fixed mine. 

Hope this helps.

 

 

 

Parts: http://www.gruvenparts.com/shop-by-car/gm-truck

Edited December 20, 2018 by Mikebtte
Grammer

[jatkinson8755]

This is a great video.  Note that GruvenParts.com now makes the gear brass, and you can buy it preattached to a new main shaft so the whole process is alot easier now than in this video.  They also sell the entire drive units so you dont have to do anything but swap out the old one with the rebuilt 1.

 

All details here, check out the 1st product  -- https://www.gruvenparts.com/shop-by-car/gm-truck

 

 

[jatkinson8755]

On 12/28/2016 at 8:17 AM, border1225 said:

 

Does anyone have an answer this? I have the same issue now.

Has anyone tried to install tow mirrors ?  Those also have power fold and power telescope.  I wonder if its possible ?

[swathdiver]

56 minutes ago, jatkinson8755 said:

Has anyone tried to install tow mirrors ?  Those also have power fold and power telescope.  I wonder if its possible ?

Who sells power fold and telescoping tow mirrors for 900s???

[jatkinson8755]

Ive heard that you CAN install the towing mirrors from 2015+ on the GMT900 trucks.  Although, Im not quite sure what would be involved.